Mental Math # 1 1)6700 + 208 = 2)3000 + 700 + 220 = 3)10.3 + 5.7 + 4.2 = 4)10.9 – 3.5 = 5)You give $20 for a purchase costing $4.30 What is your change?

Mental Math # 1 1)6700 + 208 = 2)3000 + 700 + 220 = 3)10.3 + 5.7 + 4.2 = 4)10.9 – 3.5 = 5)You give $20 for a purchase costing $4.30 What is your change? 6)550 + 150 + ? = 1000 7)The sum of two cubed and two squared = 8)726  6 = 9)11.5 x 100 = 10)51.37  10 =

Mental Math # 1 1)6700 + 208 = 6908 2)3000 + 700 + 220 = 3920 3)10.3 + 5.7 + 4.2 =20.2 4)10.9 – 3.5 = 7.4 5)You give $20 for a purchase costing $4.30 What is your change? $15.70 6)550 + 150 + 300 = 1000 7)The sum of two cubed and two squared = 12 8)726  6 = 121 9)11.5 x 100 = 1150 10)51.37  10 = 5.137

Mental Math # 2 1)Which is larger –4 or -7 = 2)3 + -5 = 3)100.5 + 20.1 = 4)8.4 – 3.1 = 5)You give $100 for a purchase costing $65.00 What is your change? 6)70 + 500 + ? = 1000 7)3100 x 10 = 8)805  5 = 9)5.3 x 100 = 10)1.3  10 =

Mental Math # 2 1)Which is larger –4 or -7 = -4 2)3 + -5 = -2 3)100.5 + 20.1 = 120.6 4)8.4 – 3.1 = 5.3 5)You give $100 for a purchase costing $65.00 What is your change? $35.00 6)70 + 500 + 430 = 1000 7)3100 x 10 = 31 000 8)805  5 = 161 9)5.3 x 100 = 530 10)1.3  10 = 0.13

Mental Math # 3 1) = 2) = 3) = 4) = 5) = 6) = 7) = 8) = 9) = 10) =

Mental Math # 3 1) = -1 2) = -2 3) = +2 4) = 0 5) = -1 6) = 0 7) = +3 8) = -1 9) = -6 10) = -1

Mental Math # 4 1)(-5) + (-3) = 2)(+8) + (-2) = 3)(-2) + (-4) = 4)(-5) + (+10) 5)You owe you friend $20. You earn $15 babysitting. What is your net worth? 6)(50) - (-10) = 7) (-5) + (+3) = 8)-2 - -6 = 9)575  5 = 10) -2 - +10 =

Mental Math # 4 1)(-5) + (-3) = -8 2)(+8) + (-2) = +6 3)(-2) + (-4) = -6 4)(-5) + (+10)= +5 5)You owe you friend $20. You earn $15 babysitting. What is your net worth? $-5 6)(50) - (-10) = 60 7) (-5) + (+3) = -2 8)-2 - -6 = +4 9)575  5 = 115 10) -2 - +10 = -12

Mental Math # 5 1)(-6) + (-3) = 2)(8) + (-2) = 3)(-2) - (-4) = 4)(5) x (-10) = 5)You owe you friend $20. You earn $8. What is your net worth? 6)(50) - (-10) = 7) (-5) + (+3) = 8)-20 x -60 = 9)555  -5 = 10) 2 groups of -10 =

Mental Math # 5 1)(-6) + (-3) = -9 2)(8) + (-2) = 6 3)(-2) - (-4) = +2 4)(5) x (-10) -50 5)You owe you friend $20. You earn $8. What is your net worth? $-12 6)(50) - (-10) = 60 7) (-5) + (+3) = -2 8)-20 x -60 = 1200 9)555  -5 = -111 10) 2 groups of -10 = -20

Mental Math # 6 1)(-2) + (+7) = 2)(-8) - (-5) = 3)(-5) - (-10) = 4)(-6) x (-5) = 5)You have $50. You earn $20 babysitting. You purchase two tickets for a concert costing $10 each. What is your net worth? 6)Negative 10 squared = 7) (+5) + (-3) = 8)500 x -7 = 9)-448  -2 = 10) Yesterday we earn $230 selling cotton candy. Last night we earned $150. Our expenses so far is $20. What is our net profit. =

Mental Math # 6 1)(-2) + (+7) = +5 2)(-8) - (-5) = -3 3)(-5) - (-10) = +5 4)(-6) x (-5) = 30 5)You have $50. You earn $20 babysitting. You purchase two tickets for a concert costing $10 each. What is your net worth? $50 6)Negative 10 squared = 100 7) (+5) + (-3) = +2 8)500 x -7 = -3500 9)-448  -2 = 224 10) Yesterday we earn $230 selling cotton candy. Last night we earned $150. Our expenses so far is $20. What is our net profit. = $360

Mental Math # 7 1)(-12) - (+3) = 2)(-2) - (-5) = 3)(-5) (-10) = 4)4 + -5 = 5)You owe $60. You earn $5 an hour babysitting. You baby-sit for 5 hours. What is your net worth? 6)-2 3 = 7) (+5). (-3) = 8)-10 x –10 x –10 x -10 = 9)-4 + ? = -1 10) -60 = 3

Mental Math # 7 1)(-12) - (+3) = -15 2)(-2) - (-5) = +3 3)(-5) (-10) = +50 4)4 + -5 = -1 5)You owe $60. You earn $5 an hour babysitting. You baby-sit for 5 hours. What is your net worth? $-35 6)-2 3 = -8 7) (+5). (-3) = -15 8)-10 x –10 x –10 x -10 = 10 000 9)-4 + 3 = -1 10) -60 = -20 3

Mental Math # 8 1)3.1 x 10 2 = 2)(-5) + (+1) = 3)10.5 + 20.5 + 0.6 = 4) (+5) + (-4) = 5)You give $100 for a purchase costing $90.90 What is your change? 6)7 x 100 + 5 x 10 + 3 x 1 = 7)(-3) + (-2) = 8)729  3 = 9)5 2 = 10)(-3) – (-5) =

Mental Math # 8 1)3.1 x 10 2 = 310 2)(-5) + (+1) = -4 3)10.5 + 20.5 + 0.6 = 31.6 4)(+5) + (-4) = +1 5)You give $100 for a purchase costing $90.90 What is your change? $9.10 6)7 x 100 + 5 x 10 + 3 x 1 = 753 7)(-3) + (-2) = -5 8)729  3 = 243 9)5 2 = 25 10)(-3) – (-5) = +2

Mental Math # 9 1)2.3 x 10 2 = 2)3 + -2 = 3)5 0 = 4)9 + 40.3 + 0.5 = 5)$10.00 - $6.75 = 6)345 000 in scientific notation = 7)(-4) + (+4) = 8)255  5 = 9)4.2 x 1000 = 10) 2 3 =

Mental Math # 9 1)2.3 x 10 2 = 230 2) 3 + -2 = 1 3)5 0 = 1 4)9 + 40.3 + 0.5 = 49.8 5)$10.00 - $6.75 = $3.25 6)345 000 in scientific notation = 3.45 x 10 5 7) (-4) + (+4) = 0 8) 255  5 = 51 9)4.2 x 1000 = 4200 10) 2 3 = 8

Mental Math # 10 1)Double 3000 = 2)3 x 1000 + 5 x 100 = 3)7.1 + 8.8 + 1.2 = 4)You spend $5.48. You have $10.00. What is your change? 5)$100.00 + $432.90 = 6)670 + ? = 1000 7)542 x 100 = 8)Three cubed = 9)844  4 = 10) 81 groups of 10 2 =

Mental Math # 10 1)Double 3000 = 6000 2)3 x 1000 + 5 x 100 = 3500 3)7.1 + 8.8 + 1.2 = 17.1 4)You spend $5.48. You have $10.00. What is your change? $4.52 5)$100.00 + $432.90 = $532.90 6)670 + 330 = 1000 7)542 x 100 = 54200 8)Three cubed = 27 9)844  4 = 211 10) 81 groups of 10 2 = 8100

Mental Math # 11 1)Double 2000 and add 300 = 2)6 x 10 2 + 3 x 10 0 = 3)8.1 + 2.9 + 4.2 = 4)You spend $5.70 You have $10.00. What is your change? 5)Half of 400 minus 10 = 6)Multiple 9 groups of 50 = 7)62 x 100 = 8)Four squared = 9) 784  100 = 10) 3.2 x 10 3 =

Mental Math # 11 1)Double 2000 and add 300 = 4300 2)6 x 10 2 + 3 x 10 0 = 603 3)8.1 + 2.9 + 4.2 = 15.2 4)You spend $5.70 You have $10.00. What is your change? $4.30 5)Half of 400 minus 10 = 190 6)Multiple 9 groups of 50 = 450 7)62 x 100 = 6200 8)Four squared = 16 9) 784  100 = 7.84 10) 3.2 x 10 3 = 3200

Mental Math # 12 1.< A is a ___ angle 2.<‘s B are ___ angles 3.< C is a ___ angle 4.< D is a ___ angle 5.< E is a ___ angle 6.<‘s F are ___ angles 7.< G is a ___ angle 8.Measure of < A is ___ 9.Measure of < G is ___ 10.Measure of < C is most likely 85 0, 105 0, 135 0 or 175 0 ? A B B C D E F F G

Mental Math # 12 1.< A is a right angle 2.<‘s B are complementary angle 3.< C is an obtuse angle 4.< D is an obtuse angle 5.< E is an acute angle 6.<‘s F are supplementary angles 7.< G is a straight angle 8.Measure of < A is 90 0 9.Measure of < G is 180 0 10.Measure of < C is most likely 85 0, 105 0, 135 0 or 175 0 ? A B B C D E F F G

Mental Math # 13 1)The complement to a 60 0 angle = 2)The complement to a 25 0 angle = 3)The supplement to a 100 0 angle = 4)The supplement to a 160 0 angle = 5)The supplement to a 50 0 angle = 6)The complement to a 72 0 angle = 7)The complement to a 55 0 angle = 8)The supplement to a 70 0 angle = 9)The supplement to a 40 0 angle = 10)The reflex angle to a 70 0 angle =

Mental Math # 13 1)The complement to a 60 0 angle = 30 0 2)The complement to a 25 0 angle = 65 0 3)The supplement to a 100 0 angle = 80 0 4)The supplement to a 160 0 angle = 20 0 5)The supplement to a 50 0 angle = 130 0 6)The complement to a 72 0 angle = 18 0 7)The complement to a 55 0 angle = 35 0 8)The supplement to a 70 0 angle = 110 0 9)The supplement to a 40 0 angle = 140 0 10)The reflex angle to a 70 0 angle = 290 0

Mental Math # 14 1)The complement to a 75 0 angle = 2)The complement to a 29 0 angle = 3)The supplement to a 152 0 angle = 4)The supplement to a 125 0 angle = 5)The opposite angle to a 50 0 angle = 6)The reflex angle to a 50 0 angle = 7)The reflex angle to a 120 0 angle = 8)The measure of angle a = 9)The measure of angle b = 10)The measure of angle c = a b c

Mental Math # 14 1)The complement to a 75 0 angle = 15 0 2)The complement to a 29 0 angle = 61 0 3)The supplement to a 152 0 angle = 28 0 4)The supplement to a 125 0 angle = 55 0 5)The opposite angle to a 50 0 angle = 50 0 6)The reflex angle to a 50 0 angle = 310 0 7)The reflex angle to a 120 0 angle = 240 0 8)The measure of angle a = 45 0 9)The measure of angle b = 90 0 10)The measure of angle c = 45 0 a b c

Mental Math # 15 1)The m < a = 2)The m < b = 3)The m < c = 4)The m < d = 5)The m < e = 6)The m < f = 7)The m < g = 8)The m < h = 9)The m < i = 10)The m < j = d a 30 o cb ef 70 o g h i j

Mental Math # 15 1)The m < a = 150 0 2)The m < b = 30 0 3)The m < c = 150 0 4)The m < d = 30 0 5)The m < e = 150 0 6)The m < f = 30 0 7)The m < g = 70 0 8)The m < h = 70 0 9)The m < i = 80 0 10)The m < j = 110 0 d a 30 o cb ef 70 o g h i j

Mental Math # 16 1)The m < a = 2)The m < b = 3)The m < c = 4)The m < d = 5)The m < e = 6)The m < f = 7)The m < g = 8)The m < h = 9)The m < i = 10)The m < j = d a 120 o c b e f 80 o g h i j

Mental Math # 16 1)The m < a = 60 0 2)The m < b = 120 0 3)The m < c = 60 0 4)The m < d = 100 0 5)The m < e = 100 0 6)The m < f = 80 0 7)The m < g = 80 0 8)The m < h = 40 0 9)The m < i = 40 0 10)The m < j = 140 0 d a 120 o c b e f 80 o g h i j

Mental Math # 17 1)If m <a is 20 0, then <c = 2)If m <d is 120 0, then <c = 3)If m <e is 115 0, then <f = 4)If m <j is 150 0, then <h = 5)If m <b and < f are 60 0, then <g = 6)If m <h is 123 0, then <i = 7)If m <f and <g are 50 0, then <b = 8)If m <i is 32 0, then <h = 9)If m <g is 75 0, then <j= 10)If m <f and <g are 60 0, then <c = d a c b e f g h ij

Mental Math # 17 1)If m <a is 20 0, then <c = 160 0 2)If m <d is 120 0, then <c = 120 0 3)If m <e is 115 0, then <f = 65 0 4)If m <j is 150 0, then <h = 150 0 5)If m <b and < f are 60 0, then <g = 60 0 6)If m <h is 123 0, then <i = 57 0 7)If m <f and <g are 50 0, then <b = 80 0 8)If m <i is 32 0, then <h = 148 0 9)If m <g is 75 0, then <j= 105 0 10)If m <f and <g are 60 0, then <c = 120 0 d a c b e f g h ij

Mental Math # 18 1)The m < a = 2)The m < b = 3)The m < c = 4)The m < d = 5)The m < e = 6)The m < f = 7)The m < g = 8)The m < h = 9)The m < i = 10)The m < j = d a 20 o c b ef 30 o g h i j

Mental Math # 18 1)The m < a = 130 0 2)The m < b = 130 0 3)The m < c = 20 0 4)The m < d = 30 0 5)The m < e = 20 0 6)The m < f = 160 0 7)The m < g = 160 0 8)The m < h = 150 0 9)The m < i = 30 0 10)The m < j = 30 0 d a 20 o c b ef 30 o g h i j

Mental Math # 21 1)3000 + 705 + 20 = 2)9000 + 20 + 70 = 3)4.1 + 3.6 + 1.9 = 4)1000 – 230 = 5)$100.00 - $9.90 = 6)180 + ? = 500 7)500 x 20 = 8)5 x 10 1 = 9)10 x 27.3 = 10) 590.1  10 2 =

Mental Math # 21 1)3000 + 705 + 20 = 3725 2)9000 + 20 + 70 = 9090 3)4.1 + 3.6 + 1.9 = 9.6 4)1000 – 230 = 770 5)$100.00 - $9.90 = $90.10 6)180 + 320 = 500 7)500 x 20 = 10 000 8)5 x 10 1 = 50 9)10 x 27.3 = 273 10) 590.1  10 2 = 5.901

Mental Math # 22 1)Double 650 = 2)6 x 1000 + 3 x 100 + 2 x 1= 3)5.3 + 2.9 + 5.7 = 4)You spend $3.25 You have $10.00. What is your change? 5)Half of 450 = 6)Multiple 40 groups of 60 = 7)6.5 x 100 = 8)Two squared added to three squared = 9)6366  3 = 10) 3 groups of 10 3 =

Mental Math # 22 1)Double 650 = 1300 2)6 x 1000 + 3 x 100 + 2 x 1 = 6302 3)5.3 + 2.9 + 5.7 = 13.9 4)You spend $3.25 You have $10.00. What is your change? $6.75 5)Half of 450 = 225 6)Multiple 40 groups of 60 = 2400 7)6.5 x 100 = 650 8)Two squared added to three squared = 13 9)6366  3 = 2122 10) 3 groups of 10 3 = 3000

Mental Math # 23 1)Double the sum of 100 and 150 = 2)7 x 10 3 + 8 x 10 1 = 3)10.8 - 3.4 = 4)You spend $69.90 You have $100.00. What is your change? 5)50 + 20 000 + 300 = 6)Multiple 100 groups of 3.5 = 7)The quotient of 35 and 5 = 8)Two cubed = 9) 900  10 2 = 10) 8 x 10 3 =

Mental Math # 23 1)Double the sum of 100 and 150 = 500 2)7 x 10 3 + 8 x 10 1 = 7080 3)10.8 - 3.4 = 7.4 4)You spend $69.90 You have $100.00. What is your change? $30.10 5)50 + 20 000 + 300 = 20 350 6)Multiple 100 groups of 3.5 = 350 7)The quotient of 35 and 5 = 7 8)Two cubed = 8 9) 900  10 2 = 9 10) 8 x 10 3 = 8000

Mental Math # 24 1)The difference of 70 and 50 times 2 = 2)6 x 10 3 + 2 x 10 0 3)21.9 + 7.5 = 4)You spend $25.25 You have $100.00. What is your change? 5)6000 + 70 000 + 49 = 6)Multiple 100 groups of 47 = 7)The quotient of 50 and 10 = 8)Nine squared = 9) 760  10 2 = 10) 5 x 10 3 =

Mental Math # 24 1)The difference of 70 and 50 times 2 = 40 2)6 x 10 3 + 2 x 10 0 = 6002 3)21.9 + 7.5 = 29.4 4)You spend $25.25 You have $100.00 What is your change? $74.75 5) 6000 + 70 000 + 49 = 76 049 6) Multiple 100 groups of 47 = 4700 7) The quotient of 50 and 10 = 5 8) Nine squared = 81 9) 760  10 2 = 7.6 10) 5 x 10 3 = 5000

Mental Math # 25 1)The product of 60 and 5 added to 49 = 2)50 x 10 2 = 3)250 + 350 + 391 = 4)You spend $79.45 You have $100.00. What is your change? 5)200 + 900 000 + 4000 + 63 = 6)Multiple 1000 groups of 2.3 = 7)The quotient of 555 and 5 = 8)Six squared, minus ten = 9) 570  10 0 = 10) 5 x 10 3 + 9 x 10 1 =

Mental Math # 25 1)The product of 60 and 5 added to 49 = 349 2)50 x 10 2 = 5000 3)250 + 350 + 391 = 991 4)You spend $79.45 You have $100.00. What is your change? $20.55 5)200 + 900 000 + 4000 + 63 = 904 263 6)Multiple 1000 groups of 2.3 = 2300 7)The quotient of 555 and 5 = 111 8)Six squared, minus ten = 26 9) 570  10 0 = 570 10) 5 x 10 3 + 9 x 10 1 = 5090

Mental Math # 26 1)The difference of 400 and 200 multiplied by 4 = 2)On Saturday we collected $1028.95 worth of bottles and received $32.00 in donations. Are total profit = 3)400 + 300 + 342 = 4)You spend $29.52 You have $100.00. What is your change? 5)600 + 7000 + 40 000 + 79 = 6)Multiple 100 groups of 4.53 = 7)The quotient of 372 and 3 = 8)four squared, added to twenty = 9) 451  10 0 = 10) 2 x 10 2 + 9 x 10 1 =

Mental Math # 26 1)The difference of 400 and 200 multiplied by 4 = 800 2)On Saturday we collected $1028.95 worth of bottles and received $32.00 in donations. Are total profit = $1060.95 3)400 + 300 + 342 = 1042 4)You spend $29.52 You have $100.00. What is your change? $70.48 5)600 + 7000 + 40 000 + 79 = 47 679 6)Multiple 100 groups of 4.53 = 453 7)The quotient of 372 and 3 = 124 8)four squared, added to twenty = 36 9) 451  10 0 = 451 10) 2 x 10 2 + 9 x 10 1 = 290

Mental Math # 27 1)Double 320 = 2)6 x 1000 + 3 x 100 + 2 x 1= 3)2.1 + 2.9 + 5.7 = 4)You spend $3.89 You have $10.00. What is your change? 5)Half of 660 = 6)Multiple 300 groups of 6 = 7)6.5 x 100 = 8)Two squared added to ten squared = 9)6339  3 = 10) 6 groups of 10 3 =

Mental Math # 27 1)Double 320 = 640 2)6 x 1000 + 3 x 100 + 2 x 1= 6302 3)2.1 + 2.9 + 5.7 = 10.7 4)You spend $3.89 You have $10.00. What is your change? $6.11 5)Half of 660 = 330 6)Multiple 300 groups of 6 = 1800 7)6.5 x 100 = 650 8)Two squared added to ten squared = 104 9)6339  3 = 2113 10) 6 groups of 10 3 = 6000

Mental Math # 28 1)Double 700 = 2)63 000 in scientific notation = 3)100.5 + 100.5 + 100.5 = 4)You spend $5.65 You have $10.00. What is your change? 5)Half of 2010 = 6)Multiple 5 groups of 700 = 7) 0.56 x 100 = 8)The difference of ten squared and five squared = 9)575  5 = 10) 2 groups of 10 3 =

Mental Math # 28 1)Double 700 = 1400 2)63 000 in scientific notation = 6.3 x 10 4 3)100.5 + 100.5 + 100.5 = 301.5 4)You spend $5.65 You have $10.00. What is your change? 4.35 5)Half of 2010 = 1005 6)Multiple 5 groups of 700 = 3500 7) 0.56 x 100 = 56 8)The difference of ten squared and five squared = 75 9)575  5 = 115 10) 2 groups of 10 3 = 2000

Mental Math # 29 1)Double 2000 added to 342 = 2)780 000 in scientific notation = 3)100.3 x 2 = 4)You spend $50.90 You have $100.00. What is your change? 5)Half of 612 = 6)Multiple 200 groups of 70 = 7) 6.27 x 100 = 8)The sum of ten squared and five squared = 9)715  5 = 10) 8 groups of 10 2 =

Mental Math # 29 1)Double 2000 added to 342 = 4342 2)780 000 in scientific notation = 7.8 x 10 5 3)100.3 x 2 = 200.6 4)You spend $50.90 You have $100.00. What is your change? $49.10 5)Half of 612 = 306 6)Multiple 200 groups of 70 = 14 000 7) 6.27 x 100 = 627 8)The sum of ten squared and five squared = 125 9)715  5 = 143 10) 8 groups of 10 2 = 800

Mental Math # 30 1)The difference between three groups of five hundred and two hundred = 2)4555.5 in scientific notation = 3)200.2 x 3 = 4)You spend $65.00 You have four $20.00 bills. What is your change? $ 5)Half of 866 = 6)Multiple 20 groups of 150 = 7) 6.27 x 100 = 8)The sum of two squared and three squared = 9)655  5 = 10) 8.1 x 10 2 =

Mental Math # 30 1)The difference between three groups of five hundred and two hundred = 1300 2)4555.5 in scientific notation = 4.5555 x 10 3 3)200.2 x 3 = 600.6 4)You spend $65.00 You have four $20.00 bills. What is your change? $15.00 5)Half of 866 = 433 6)Multiple 20 groups of 150 = 3000 7) 6.27 x 100 = 627 8)Sum of two squared and three squared = 13 9)655  5 = 131 10) 8.1 x 10 2 = 810

Mental Math # 31 1)The difference between five groups of one hundred and fifty = 2)735 000 in scientific notation = 3)400.5 x 2 = 4)You spend $71.00 You have two $50 bills. What is your change? 5)Half of 1040 = 6)Multiple 30 groups of 70 = 7) 97 x 1000 = 8)Sum of ten cubed and five squared = 9)723  3 = 10) 52 x 10 3 =

Mental Math # 31 1)The difference between five groups of one hundred and fifty = 450 2)735 000 in scientific notation = 7.35 x 10 5 3)400.5 x 2 = 801 4)You spend $71.00 You have two $50 bills. What is your change? $29.00 5)Half of 1040 = 520 6)Multiple 30 groups of 70 = 2100 7) 97 x 1000 = 97 000 8)Sum of ten cubed and five squared = 1025 9)723  3 = 241 10) 52 x 10 3 = 52 000

Mental Math # 32 1)Four groups of fifty decreased by one group of twenty = 2)94 000 in scientific notation = 3)5.4 + 2.9 + 5.6 = 4)You spend $69.00 You have four $20 bills. What is your change? 5)Half of 524 = 6)5 groups of 500 = 7) 3 x 1000 + 7 x 100 + 5 x 1 = 8)Sum of five squared and ten squared = 9)590 + ? = 1000 10) 6 x 10 3 =

Mental Math # 32 1)Four groups of fifty decreased by one group of twenty = 180 2)94 000 in scientific notation = 9.4 x 10 4 3)5.4 + 2.9 + 5.6 = 13.9 4)You spend $69.00 You have four $20 bills. What is your change? $11.00 5)Half of 524 = 262 6)5 groups of 500 = 2500 7) 3 x 1000 + 7 x 100 + 5 x 1 = 3705 8)Sum of five squared and ten squared = 125 9)590 + 410 = 1000 10) 6 x 10 3 = 6000

Mental Math # 33 1)Eight groups of one hundred decreased by three hundred fifty = 2)89 100 000 in scientific notation = 3)8.3 + 2.7 + 5.5 = 4)You spend $57.35 You have six $10 bills. What is your change? 5)Half of 966 = 6)40 groups of 50 = 7) 3 x 100 + 9 x 1000 + 5 x 10 = 8)Sum of two cubed and four squared = 9)270 + ? = 1000 10) 4 x 10 1 =

Mental Math # 33 1)Eight groups of one hundred decreased by three hundred fifty = 450 2)89 100 000 in scientific notation = 8.91 x 10 7 3)8.3 + 2.7 + 5.5 = 16.5 4)You spend $57.35 You have six $10 bills. What is your change? $2.65 5)Half of 966 = 483 6)40 groups of 50 = 2000 7) 3 x 100 + 9 x 1000 + 5 x 10 = 9350 8)Sum of two cubed and four squared = 24 9)270 + 730 = 1000 10) 4 x 10 1 = 40

Mental Math # 34 1)Three groups of two hundred increased by three groups of fifty = 2)5 550 000 in scientific notation = 3)1.5 + 1.5 + 1.5 + 6.5 = 4)You spend $32.50 You have two $20 bills. What is your change? 5)972  3 = 6)30 groups of 500 = 7) (+3) + (-5) = 8)Sum of three cubed and ten squared = 9)I owe seven dollars to my friend. I get my allowance of ten dollars. What is my net worth? = 10) 78 x 10 0 =

Mental Math # 34 1)Three groups of two hundred increased by three groups of fifty = 750 2)5 550 000 in scientific notation = 5.55 x 10 6 3)1.5 + 1.5 + 1.5 + 6.5 = 11 4)You spend $32.50 You have two $20 bills. What is your change? $7.50 5)972  3 = 324 6)30 groups of 500 = 15 000 7) (+3) + (-5) = -2 8)Sum of three cubed and ten squared = 127 9)I owe seven dollars to my friend. I get my allowance of ten dollars. What is my net worth? = +3 10) 78 x 10 0 = 78

Mental Math # 35 1)Double 150 added to 198 = 2)341.5 in scientific notation = 3)123 x 3 = 4)You spend $40.20 You have five $10.00. What is your change? 5)Half of 276 = 6)Multiple 90 groups of 90 = 7) (-5) - (-8) = 8)Two to the exponent four = 9)6/30 in lowest terms is = 10) 7 groups of 10 0 =

Mental Math # 35 1)Double 150 added to 198 = 498 2)341.5 in scientific notation = 3.415 x 10 2 3)123 x 3 = 369 4)You spend $40.20 You have five $10.00. What is your change? $9.80 5)Half of 276 = 138 6)Multiple 90 groups of 90 = 8100 7) (-5) - (-8) = +3 8)Two to the exponent four = 16 9)6/30 in lowest terms is = 1/5 10) 7 groups of 10 0 = 7

Mental Math # 36 1)Double 551 = 2)40 500 in scientific notation = 3) 312 x 3 = 4)You spend $73.90 You have four $20.00. What is your change? 5)Half of 724 = 6)Multiple 40 groups of 600 = 7) (5) - (-4) = 8)Two to the exponent five plus five = 9)4/12 in lowest terms is = 10) 12/5 as a mixed number =

Mental Math # 36 1)Double 551 = 1102 2)40 500 in scientific notation = 4.05 x 10 4 3) 312 x 3 = 936 4)You spend $73.90 You have four $20.00. What is your change? $6.10 5)Half of 724 = 362 6)Multiple 40 groups of 600 = 24 000 7) (5) - (-4) = +9 8)Two to the exponent five plus five = 37 9)4/12 in lowest terms is = 1/3 10) 12/5 as a mixed number = 2 2/5

Mental Math # 37 1)Double 623 = 2)800 000 in scientific notation = 3) 211 x 5 = 4)You spend $53.50 You have three $20.00. What is your change? 5)Half of 872 = 6)Multiple 60 groups of 600 = 7) (1) + (-4) = 8)Five to the exponent two plus ten = 9)3/15 in lowest terms is = 10) 14/3 as a mixed number =

Mental Math # 37 1)Double 623 = 1246 2)800 000 in scientific notation = 8 x 10 5 3) 211 x 5 = 1055 4)You spend $53.50 You have three $20.00. What is your change? $6.50 5)Half of 872 = 436 6)Multiple 60 groups of 600 = 36 000 7) (1) + (-4) = -3 8)Five to the exponent two plus ten = 35 9)3/15 in lowest terms is = 1/5 10) 14/3 as a mixed number = 4 2/3

Mental Math # 38 1)Which is larger 2/11 or 2/9 = 2)Which is larger 5/11 or 4/7 = 3)Which is larger 0.8 or 0.553 = 4)12/18 in lowest terms = 5)18/4 as a mixed number = 6)3/10 as a percent = 7) 2/25 as a percent = 8)0.05 as a percent = 9)131/100 as a decimal = 10) 9/10 of a bars added to 5/8 of a bar is closer to 1, 1 1/2 or 2 whole bars =

Mental Math # 38 1)Which is larger 2/11 or 2/9 = 2/9 2)Which is larger 5/11 or 4/7 = 4/7 3)Which is larger 0.8 or 0.553 = 0.8 4)12/18 in lowest terms 2/3 5)18/4 as a mixed number = 4 1/2 6)3/10 as a percent = 30 % 7) 2/25 as a percent = 8% 8)0.05 as a percent = 5 % 9)131/100 as a decimal = 1.31 10) 9/10 of a bars added to 5/8 of a bar is closer to 1, 1 1/2 or 2 whole bars = 1 1/2

Mental Math # 39 1)Which is larger 5/9 or 3/8 = 2)Which is larger 6/10 or 11/20 = 3)Which is larger 0.2 or 0.199 = 4)6/15 in lowest terms 5)15/3 as a mixed number = 6)9/10 as a percent = 7) 11/20 as a percent = 8)0.18 as a percent = 9)235/100 as a decimal = 10) 5/12 of a bars added to 11/20 of a bar is closer to 1, 1 1/2 or 2 whole bars =

Mental Math # 39 1)Which is larger 5/9 or 3/8 = 5/9 2)Which is larger 6/10 or 11/20 = 6/10 3)Which is larger 0.2 or 0.199 = 0.2 4)6/15 in lowest terms 2/5 5)15/3 as a mixed number = 5 6)9/10 as a percent = 90 % 7) 11/20 as a percent = 55% 8)0.18 as a percent = 18% 9)235/100 as a decimal = 2.35 10) 5/12 of a bars added to 11/20 of a bar is closer to 1, 1 1/2 or 2 whole bars = 1

Mental Math # 40 1)Which is larger 11/20 or 7/18 = 2)Which is larger 20/40 or 5/8 = 3)Which is larger 0.321 or 0.319 = 4)16/20 in lowest terms = 5)7/2 as a mixed number = 6)1/5 of 20 = 7) 5/25 as a percent = 8)0.07 as a percent = 9)34/100 as a decimal = 10) 11/12 + 11/20 of a bar is closer to 1, 1 1/2 or 2 whole bars =

Mental Math # 40 1)Which is larger 11/20 or 7/18 = 11/20 2)Which is larger 20/40 or 5/8 = 5/8 3)Which is larger 0.321 or 0.319 = 0.321 4)16/20 in lowest terms = 4/5 5)7/2 as a mixed number = 3 1/2 6)1/5 of 20 = 4 7) 5/25 as a percent = 20% 8)0.07 as a percent = 7% 9)34/100 as a decimal = 0.34 10) 11/12 + 11/20 of a bar is closer to 1, 1 1/2 or 2 whole bars = 1 1/2

Mental Math # 1 1)6700 + 208 = 2)3000 + 700 + 220 = 3)10.3 + 5.7 + 4.2 = 4)10.9 – 3.5 = 5)You give $20 for a purchase costing $4.30 What is your change?

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Presentation on theme: "Mental Math # 1 1)6700 + 208 = 2)3000 + 700 + 220 = 3)10.3 + 5.7 + 4.2 = 4)10.9 – 3.5 = 5)You give $20 for a purchase costing $4.30 What is your change?"— Presentation transcript:

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Mental Math # 1 1)6700 + 208 = 2)3000 + 700 + 220 = 3)10.3 + 5.7 + 4.2 = 4)10.9 – 3.5 = 5)You give $20 for a purchase costing $4.30 What is your change?

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Presentation on theme: "Mental Math # 1 1)6700 + 208 = 2)3000 + 700 + 220 = 3)10.3 + 5.7 + 4.2 = 4)10.9 – 3.5 = 5)You give $20 for a purchase costing $4.30 What is your change?"— Presentation transcript:

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