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Decimal Place Value, Addition, and Subtraction

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Presentation on theme: "Decimal Place Value, Addition, and Subtraction"— Presentation transcript:

1 Decimal Place Value, Addition, and Subtraction
Unit 2 Review Decimal Place Value, Addition, and Subtraction

2 Teacher Model Which of these is less than 0.519? 0.915 0.159 0.9150 0.815

3 Guided Practice Which of these is greater than 0.419? 0.194 0.419
0.491 0.4190

4 Independent Guided Practice
Which of these is less than 0.761? 0.716 0.771 0.767 0.800

5 Independent Practice Which of these is less than 0.608? 0.816 0.068
0.860 0.680

6 Teacher Model Josh bought a coke for $1.39 and a bag of Swedish fish for $0.79 at the store. How much did he spend?

7 Guided Practice Ethan bought a notebook for $2.75 and a pack of two pens for $0.99. How much does he owe the clerk?

8 Independent Guided Practice
Blake bought a guitar pick for $2.18 and a new music book for $5.70? How much did Blake spend?

9 Independent Practice Adam wants to get a new pencil case for $0.97 and a binder for $2.68. How much does he need to buy them?

10 Teacher Model Place the following numbers in order from least to greatest. Use the number line and place the decimal numbers on the line 5 6

11 Guided Practice Place the following numbers in order from least to greatest. Make a number line and place the decimal numbers on the line 7 8

12 Independent Guided Practice
Place the following numbers in order from least to greatest. Make a number line and place the decimal numbers on the line 8 9

13 Independent Practice Place the following numbers in order from least to greatest. Make a number line and place the decimal numbers on the line 6 7

14 Teacher Model Susan went to Target and bought a box of crayons for $1.79, 2 coloring books for $2.59 each, and a pencil box for $ If she has $10 to begin with, how much change would she get?

15 Guided Practice Tommy went to the store to buy a baseball glove for $15.79, 2 baseballs for $1.89 each, and a bat for $ If he has $40 to begin with, how much change would he get?

16 Independent Guided Practice
Troy went to the store to buy a cake for $16.59, 3 bags for chips for $3.89 each, and a gallon of ice cream for $ If he has $40 to begin with, how much change would he get?

17 Independent Practice Emily went to the store to buy a purse for $15.78, 2 pairs of earrings for $6.16 each, and a mirror for $ If she has $40 to begin with, how much change would she get?

18 Teacher Model Which of the following shows the number two hundred sixty three thousand, four hundred twenty four and nine hundred seventy eight thousandths? 263, 203, 263, 200,630,

19 Guided Practice Which of the following shows three hundred forty seven thousand, four hundred twenty four and nine hundred twenty one thousandths? 300,470,424.21 347,424,210 347, 347,

20 Independent Guided Practice
Which of the following shows five hundred ninety two thousand, eight hundred twenty four and two hundred nineteen thousandths? 590, 592, 800, 592, 592,

21 Independent Practice Which of the following shows six hundred thirty seven thousand, four hundred thirty six and five hundred two thousandths? 637, 637, 637, 673,436.52

22 Teacher Model What is the expanded form of the following number? 0.581
5(1) + 8(10) + 1(100) 5 x x x 5 x x x 1 1 10 _1_ 100 1__ 1000 _1_ 100 1 10

23 Guided Practice What is the expanded form of the following number? 4 x x x 5(1) + 8(10) + 1(100) 4 x x x 1 1 10 _1_ 100 1 10

24 Independent Guided Practice
What is the expanded form of the following number? 7(1) + 2(10) + 9(100) 7 x x x 7 x x x 1 1 10 1 10 _1_ 100

25 Independent Practice What is the expanded form of the following number? 2 x x x 1 2 (100) + 1 (10) + 8 x (1) 2 x x x _1_ 100 1 10 1 10

26 Teacher Model Simon and Terry were playing a decimal game. Each boy was trying to get closest to 1 without going over. Use the grids below to show who got the closest. Simon Terry

27 Guided Practice Troy and Jarrett were playing a decimal game. Each boy was trying to get closest to 1 without going over. Use the grids below to show who got the closest. Troy Jarrett

28 Independent Guided Practice
Diane and Mary were playing a decimal game. Each girl was trying to get closest to 1 without going over. Use the grids below to show who got the closest. Diane Mary

29 Independent Practice Danielle and Kristie were playing a decimal game. Each girl was trying to get closest to 1 without going over. Use the grids below to show who got the closest. Danielle Kristie

30 Teacher Model Jason sold $32.54 worth of popcorn. Ethan sold $45.24 worth of popcorn. About how much did the two boys sell in all? $77 $78 $79 $87

31 Guided Practice Leigh sold $89.21 worth of cookies. Sherri sold $51.81 worth of cookies. About how much did the two girls sell in all? $37 $140 $141 $147

32 Independent Guided Practice
Chyna sold $52.84 worth of brownies. Lilly sold $37.42 worth of brownies. About how much did the two girls sell in all? $89 $90 $92 $97

33 Independent Practice Cameron sold $62.32 worth of tickets. Bill sold $81.67 worth of tickets. About how much did the two boys sell in all? $140 $141 $143 $144

34 Teacher Model Which of the following is the decimal number of
the fraction ? 56 5.6 0.56 0.056 56 100

35 Guided Practice Which of the following is the decimal number of
the fraction ? 0.087 0.87 8.7 87 87 100

36 Independent Guided Practice
Which of the following is the decimal number of the fraction ? 157 1.57 15.7 0.157 157 1000

37 Independent Practice Which of the following is the decimal number of
the fraction ? 65 6.5 0.65 0.065 65 100

38 Teacher Model The cost of a roundtrip airline ticket from Savannah to Boston is $ Estimate the cost of the trip for a family of four. a.$ b. $ c. $ d. $

39 Guided Practice The cost of a roundtrip airline ticket from Savannah to Dallas is $ Estimate the cost of the trip for a family of three. a.$ b. $ c. $ d. $390.00

40 Independent Guided Practice
The cost of a roundtrip airline ticket from Atlanta to Miami is $ Estimate the cost of the trip for a family of four. a.$ b. $ c. $ d. $

41 Independent Practice The cost of a roundtrip airline ticket from Atlanta to Washington D.C. is $ Estimate the cost of the trip for a family of four. a. $ b. $ c. $ d. $330.00

42 Teacher Model Bryce found $5.96 in his pocket. He also found $2.98 when he cleaned his room. About how much money does he have now? $7.00 $8.00 $9.00 $10.00

43 Guided Practice Frank found $4.21 in his pocket. He also found $4.82 when he cleaned his room. About how much money does he have now? $6.00 $7.00 $8.00 $9.00

44 Independent Guided Practice
Hannah found $2.57 in her pocket. She also found $8.24 when she cleaned the car out. About how much money does she have now? $9.00 $10.00 $11.00 $12.00

45 Independent Practice Savannah found $1.25 in her pocket. She also found $5.91 in the couch. About how much money does she have now? $6.00 $7.00 $8.00 $9.00

46 Teacher Model The Garland family went on vacation. They spent $129 for a hotel. They bought 5 tickets to The Georgia Aquarium for $ each. Their lunch cost $65.84 and the gas for the trip was $ What was the cost of the total trip?

47 Guided Practice The Harris family went on vacation. They spent $119 for a hotel. They bought 3 tickets to The World of Coke for $ each. Their lunch cost $34.85 and the gas for the trip was $ What was the cost of the total trip?

48 Independent Guided Practice
The Miles family went on vacation. They spent $132 for a hotel. They bought 4 tickets to Wet and Wild for $ each. Their lunch cost $39.25 and the gas for the trip was $ What was the cost of the total trip?

49 Independent Practice The Osteen family went on vacation. They spent $123 for a hotel. They bought 4 tickets to Six Flags for $ each. Their lunch cost $54.28 and the gas for the trip was $ What was the cost of the total trip?

50 Teacher Model What number is 10 times 3 tenths? 3 30 0.3 0.03

51 Guided Practice What number is 10 times 6 tenths? 0.06 0.6 6 60

52 Independent Guided Practice
What number is 10 times 7 tenths? 70 7 0.7 0.07

53 Independent Practice What number is 10 times 2 tenths? 20 2 0.2 0.02

54 Teacher Model Subtract: – 25.6

55 Guided Practice Subtract: – 42.5

56 Independent Guided Practice
Subtract: – 65.7

57 Independent Practice Subtract: – 32.8

58 Teacher Model Tammy was taking a test and wrote the following incorrect statement on her paper < < < Explain what mistake Tammy made.

59 Guided Practice Colin was taking a test and wrote the following incorrect statement on his paper < < < Explain what mistake Colin made.

60 Independent Guided Practice
Courtney was taking a test and wrote the following incorrect statement on her paper < < < Explain what mistake Courtney made.

61 Independent Practice Lynn was taking a test and wrote the following incorrect statement on her paper < < < Explain what mistake Lynn made.

62 Teacher Model Look at the sum of decimals below. The answer is not correct. Explain and show the correct answer = 37.96

63 Guided Practice Look at the sum of decimals below. The answer is not correct. Explain and show the correct answer = 29.19

64 Independent Guided Practice
Look at the sum of decimals below. The answer is not correct. Explain and show the correct answer = 84.08

65 Independent Practice Look at the sum of decimals below. The answer is not correct. Explain and show the correct answer =34.99

66 Teacher Model In the number 6,666, , what would be a true statement? The digit in the tens place is 1000 times greater the digit in the ones place. The digit in the hundreds place is 1000 times greater that the digit in the tenths place. The digit in the ten thousands place is 1000 times greater than the digit in the thousands place. The digit in the millions place is 1000 times greater than the digit in the ten thousands place.

67 Guided Practice In the number 1,111, , what would be a true statement? The digit in the hundreds place is 100 times greater the digit in the hundredths place. The digit in the hundreds place is 100 times greater that the digit in the tenths place. The digit in the ten thousands place is 100 times greater than the digit in the hundreds place. The digit in the millions place is 100 times greater than the digit in the thousands place.

68 Independent Guided Practice
In the number 8,888, , what would be a true statement? The digit in the hundreds place is 10 times greater the digit in the hundredths place. The digit in the ones place is 10 times greater that the digit in the tenths place. The digit in the ten thousands place is 10 times greater than the digit in the hundreds place. The digit in the millions place is 10 times greater than the digit in the thousands place.

69 Independent Practice In the number 9,999, , what would be a true statement? The digit in the hundreds place is 1000 times greater the digit in the hundredths place. The digit in the tens place is 1000 times greater that the digit in the tenths place. The digit in the ten thousands place is 1000 times greater than the digit in the hundreds place. The digit in the millions place is 1000 times greater than the digit in the thousands place.

70 Teacher Model Diane was shopping with $20.00 at Claire’s. She wants to buy a notebook for $7.89, a pair of earrings for $ 3.87, and a headband for $5.15. Explain how Diane could use estimation to determine if she has enough money.

71 Guided Practice Landon was shopping with $20.00 at Hibbett’s. He wants to buy a pair of socks for $9.56, a sweatband for $ 6.82, and a pack of gum for $0.95. Explain how Landon could use estimation to determine if he has enough money.

72 Independent Guided Practice
Ginny was shopping with $10.00 at the store. She wants to buy a can of spaghetti sauce for $4.31, a loaf of bread for $ 2.82, and a head of lettuce for $1.37. Explain how Ginny could use estimation to determine if she has enough money.

73 Independent Practice Beka was shopping with $10.00 at the store. She wants to buy a can of corn for $1.75, gallon of milk for $ 3.12, and a box of cereal for $3.47. Explain how Beka could use estimation to determine if she has enough money.

74 Independent Practice Mandy writes the number 3, Then she writes another number in which the digit 6 has 10 x the value it has in 3, Which could be the second number she writes? 3,689.32 3,865.92 3,826.82 3,816.92


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