Operations with Rational Numbers Warm Ups

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Presentation transcript:

Operations with Rational Numbers Warm Ups

Warm Up 1. Sam is two levels below the lobby in an office building. He gets on the elevator and goes up 44 floors. What floor does he end up on?

Warm Up = = = = = =

Warm Up Warm Up Compare: 1) -8 -5 2) 7.3 7.23 |-9| 9 -2/3 -1/5 1) -8 -5 2) 7.3 7.23 |-9| 9 -2/3 -1/5 Put in order from least to greatest: -.34 ¾ -2/5 0 -3

Warm Up Warm Up Compare: 1) -9 -5 2) - 0.3 - 0.23 |-8| 8 -1/2 -2/5 1) -9 -5 2) - 0.3 - 0.23 |-8| 8 -1/2 -2/5 Put in order from least to greatest: -.34 -1/2 -.12 0 -3

Warm Up 4 + -9 -4 + -9 -4 - 9 -4 - (-9) -32 ÷ 4 -8 • -7

1) 3 + (-5) = Warm Up 2) -4 + -7 = 3) (+3) + (-4) = 4) 6 + -7 = 1) 3 + (-5) = 2) -4 + -7 = 3) (+3) + (-4) = 4) 6 + -7 = 5) -5 + -9 = 6) -9 + 9 = 7) -3 + 1 = 8) 9 + (-2) = 9) -8 + -2 = 10) 3 + -7 =

Warm Up Substitute the value for each variable and solve a = 3 b = 2 c = -5 1. c + b² 2. 8c – 8a

Warm Up 3 – 7 = 4 – (-2) = 2 + -8 = -6 + -3 = 6 • -7 = -56 ÷ -8 =

Warm Up

Warm Up 12 + (-8) = - 3 – (-11) = - 4 - 9 = 5 – 9 = -3 + -5=

Warm Up

2 + (-5) – 3= 4 – (-1) + 8 = -6 – 9 + 7 = -4 – (-9) – 8 = Warm Up 2 + (-5) – 3= 4 – (-1) + 8 = -6 – 9 + 7 = -4 – (-9) – 8 =

Warm-Up 1. -2 – (-5) = 2. 4 – 9 = 6 + -2 = -7 – 3 = -3 + - 4 =

Warm Up 1.) −10 +−7 +−14 2.) −7 +−4 +12 3.) −13 +4 +3 4.) −5 +−9 +−16 5.) −13 +7 +4 6.) 16 +−16 +3 7.) −14 +−13 +10 8.) 13 +−12 +10 9.) 16 +−1 +5 10.) −2 +7 +1

Warm Up 1) -5 – (-7) = ______ 2) 5 – 7 = ______ 3) 5 – (-7) = _____ 4) 3 – (-11) = _____ 5) 3 – 11 = _____ 6) -3 – 11 = _____ 7) -3 – (-11) = _____

Warm Up

Warm Up Warm Up

Warm Up -2 + 3 + 4 = -4  -3  -2 = 3 – 9 = -32 ÷ 8 = 9² = 2³ =

Warm Up 1. 2. 4 3.

Warm Up 1. 2.

Warm Up

Warm Up 1. How do you compare fractions, decimals, and percents? 2. How do you change a fraction to a decimal? 3. 4/5 = __________ 4. How do you change a percent to a decimal? 5. 43% = ________

Warm Up

Warm Up

Warm Up How do you change a mixed number to a decimal number? (Example: 3 ⅛ = _____) How do you change a fraction to a percent? (Example: 2/5 = _____%)

7 - -48 – 28 - -6 2. -45 - 5 3. 45 + 39 - -31 4. 7 + (14 +1 + 17 + -16) - 35 Warm Up

Warm Up