# Unit 2 Review Decimal Place Value, Addition, and Subtraction.

## Presentation on theme: "Unit 2 Review Decimal Place Value, Addition, and Subtraction."— Presentation transcript:

Unit 2 Review Decimal Place Value, Addition, and Subtraction

Teacher Model Which of these is less than 0.519? a.0.915 b.0.159 c.0.9150 d.0.815

Guided Practice Which of these is greater than 0.419? a.0.194 b.0.419 c.0.491 d.0.4190

Independent Guided Practice Which of these is less than 0.761? a.0.716 b.0.771 c.0.767 d.0.800

Independent Practice Which of these is less than 0.608? a.0.816 b.0.068 c.0.860 d.0.680

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?

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

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

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?

Teacher Model Place the following numbers in order from least to greatest. Make a number line and place the decimal numbers on the line. Be sure to label the whole number beginning and ending points as well. 5.74 5.12 5.68 5.34 5.97

Guided Practice Place the following numbers in order from least to greatest. Make a number line and place the decimal numbers on the line. Be sure to label the whole number beginning and ending points as well. 7.15 7.02 7.85 7.64 7.42

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. Be sure to label the whole number beginning and ending points as well. 8.57 8.25 8.08 8.81 8.97

Independent Practice Place the following numbers in order from least to greatest. Make a number line and place the decimal numbers on the line. Be sure to label the whole number beginning and ending points as well. 6.51 6.94 6.23 6.42 6.12

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 \$1.25. If she \$10 to begin with, how much change would she get?

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 \$19.25. If he \$40 to begin with, how much change would he get?

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 \$7.49. If he \$40 to begin with, how much change would he get?

Independent 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 \$7.49. If he \$40 to begin with, how much change would he get?

Teacher Model Which of the following shows the number two hundred sixty three thousand, four hundred twenty four and nine hundred seventy eight thousandths? a.263, 422.0978 b.203, 424.978 c.263, 424.978 d.200,630, 424.90078

Guide Practice Which of the following shows two hundred sixty three thousand, four hundred twenty four and nine hundred seventy eight thousandths? a.200,630,424.978 b.263,424,978 c.263,424.978 d.236,424.978

Independent Guided Practice Which of the following shows five hundred ninety two thousand, eight hundred twenty four and two hundred nineteen thousandths? a.590, 824.20019 b.592, 800, 240.219 c.592,824.0219 d.592,824.219

Independent Guided Practice Which of the following shows six hundred thirty seven thousand, four hundred thirty six and five hundred thirty two thousandths? a.637,436.502 b.637,436.50032 c.637,436.532 d.673,436.532

Teacher Model What is the expanded form of the following number? 0.581 a.5 + 80 + 100 b.5(1) + 8(10) + 1(100) c.5 x + 8 x + 1 x d.5 x + 8 x + 1 x 1 1 10 _1_ 100 1__ 1000 _1_ 100 1 10

Guided Practice What is the expanded form of the following number? 0.482 a.4 x + 8 x + 2 x b.5(1) + 8(10) + 1(100) c.400 + 80 + 2 d.4 x + 8 x + 2 x 1 _1_ 100 1 10 1 10

Independent Guided Practice What is the expanded form of the following number? 0.729 a.7(1) + 2(10) + 9(100) b.700 + 20 + 9 c.7 x + 2 x + 9 x d.7 x + 2x 9 x 1 _1_ 100 1 10 1 10

Independent Practice What is the expanded form of the following number? 0.218 a.2 x + 1 x + 8 x 1 b.2 (100) + 1 (10) + 8 x (1) c.2 x + 1 x + 8 x d.200 + 10 + 9 _1_ 100 1 10 1 10

Teacher Model Simon and Terry were playing a decimal game. Each boy was trying to get closest to 1 without going over. Who got the closest? Simon 0.34 + 0.04 + 0.09 +0.3 Terry 0.51 + 0.08 + 0.24 + 0.3

Guided Practice Troy and Jarrett were playing a decimal game. Each boy was trying to get closest to 1 without going over. Who got the closest? Troy 0.4 + 0.14 + 0.39 +0.07 Jarrett 0.01 + 0.38 + 0.2 + 0.43

Independent Guided Practice Diane and Mary were playing a decimal game. Each girl was trying to get closest to 1 without going over. Who got the closest? Diane 0.21 + 0.5 + 0.09 +0.17 Mary 0.02 + 0.4 + 0.22 + 0.3

Independent Practice Danielle and Kristie were playing a decimal game. Each girl was trying to get closest to 1 without going over. Who got the closest? Danielle 0.18 + 0.2 + 0.49 +0.3 Kristie 0.07 + 0.1 + 0.14 + 0.5

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? a.\$77 b.\$78 c.\$79 d.\$87

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? a.\$37 b.\$140 c.\$141 d.\$147

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? a.\$89 b.\$90 c.\$92 d.\$97

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? a.\$140 b.\$141 c.\$143 d.\$144

Teacher Model Which of the following is the decimal number of the fraction ? a.56 b.5.6 c.0.56 d.0.056 56 100

Guided Practice Which of the following is the decimal number of the fraction ? a.0.087 b.0.87 c.8.7 d.87 87 100

Independent Guided Practice Which of the following is the decimal number of the fraction ? a.157 b.1.57 c.15.7 d.0.157 157 1000

Independent Practice Which of the following is the decimal number of the fraction ? a.65 b.6.5 c.0.65 d.0.065 65 100

Teacher Model The cost of a roundtrip airline ticket from Savannah to Boston is \$458.21. Estimate the cost of the trip for a family of four. a.\$460.00 b. \$1840.00 c. \$1890.00 d. \$2170.00

Guided Practice The cost of a roundtrip airline ticket from Savannah to Dallas is \$388.65. Estimate the cost of the trip for a family of three. a.\$1710.00 b. \$1270.00 c. \$1170.00 d. \$390.00

Independent Guided Practice The cost of a roundtrip airline ticket from Atlanta to Miami is \$279.65. Estimate the cost of the trip for a family of four. a.\$280.00 b. \$840.00 c. \$1120.00 d. \$1210.00

Independent Practice The cost of a roundtrip airline ticket from Atlanta to Washington D.C. is \$326.95. Estimate the cost of the trip for a family of four. a. \$1320.00 b. \$1230.00 c. \$1220.00 d. \$330.00

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? a.\$7.00 b.\$8.00 c.\$9.00 d.\$10.00

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? a.\$6.00 b.\$7.00 c.\$8.00 d.\$9.00

Independent Guided Practice Hannah found \$2.57 in his pocket. She also found \$8.24 when she cleaned the car out. About how much money does she have now? a.\$9.00 b.\$10.00 c.\$11.00 d.\$12.00

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? a.\$6.00 b.\$7.00 c.\$8.00 d.\$9.00

Teacher Model The Garland family went on vacation. They spent \$129 for a hotel. They bought 5 tickets to The Georgia Aquarium for \$29.00 each. Their lunch cost \$65.84 and the gas for the trip was \$124.21. What was the cost of the total trip?

Guided Practice The Harris family went on vacation. They spent \$119 for a hotel. They bought 3 tickets to The World of Coke for \$23.00 each. Their lunch cost \$34.85 and the gas for the trip was \$103.25. What was the cost of the total trip?

Independent Guided Practice The Miles family went on vacation. They spent \$132 for a hotel. They bought 4 tickets to Wet and Wild for \$38.00 each. Their lunch cost \$39.25 and the gas for the trip was \$142.52. What was the cost of the total trip?

Independent Practice The Osteen family went on vacation. They spent \$123 for a hotel. They bought 4 tickets to Six Flags for \$54.00 each. Their lunch cost \$54.28 and the gas for the trip was \$124.72. What was the cost of the total trip?

Teacher Model What number is 10 times 3 tenths? A.3 B.30 C.0.3 D.0.03

Guided Practice What number is 10 times 6 tenths? A.0.06 B.0.6 C.6 D.60

Independent Guided Practice What number is 10 times 7 tenths? A.70 B.7 C.0.7 D.0.07

Teacher Model Subtract: 425.68 – 25.6

Guided Practice Subtract: 765.98 – 42.5

Independent Guided Practice Subtract: 841.27 – 65.7

Independent Practice Subtract: 371.15 – 32.8

Teacher Model Tammy was taking a test and wrote the following incorrect statement on her paper. 0.812 < 0.842 < 0.828 < 0.847 Explain what mistake Tammy made.

Guided Practice Colin was taking a test and wrote the following incorrect statement on his paper. 0.214 < 0.235 < 0.275 < 0.264 Explain what mistake Colin made.

Independent Guided Practice Courtney was taking a test and wrote the following incorrect statement on her paper. 0.465 < 0.412 < 0.432 < 0.448 Explain what mistake Courtney made.

Independent Practice Lynn was taking a test and wrote the following incorrect statement on her paper. 0.312 < 0.351 < 0.342 < 0.378 Explain what mistake Lynn made.

Teacher Model Look at the sum of decimals below. Is this accurate? Explain why or why not. 37.54 + 4.2 = 37.96

Guided Practice Look at the sum of decimals below. Is this accurate? Explain why or why not. 25.84 + 23.5 = 29.19

Independent Guided Practice Look at the sum of decimals below. Is this accurate? Explain why or why not. 41.28 + 42.8 = 84.08

Independent Practice Look at the sum of decimals below. Is this accurate? Explain why or why not. 34.72 + 2.7 =34.99

Teacher Model In the number 6,666,666.666, what would be a true statement? a.The digit in the tens place is 1000 times greater the digit in the ones place. b.The digit in the hundreds place is 1000 times greater that the digit in the tenths place. c.The digit in the ten thousands place is 1000 times greater than the digit in the thousands place. d.The digit in the millions place is 1000 times greater than the digit in the ten thousands place.

Guided Practice In the number 1,111,111.111, what would be a true statement? a.The digit in the hundreds place is 100 times greater the digit in the hundredths place. b.The digit in the hundreds place is 100 times greater that the digit in the tenths place. c.The digit in the ten thousands place is 100 times greater than the digit in the hundreds place. d.The digit in the millions place is 100 times greater than the digit in the thousands place.

Independent Guided Practice In the number 8,888,888.888, what would be a true statement? a.The digit in the hundreds place is 10 times greater the digit in the hundredths place. b.The digit in the ones place is 10 times greater that the digit in the tenths place. c.The digit in the ten thousands place is 10 times greater than the digit in the hundreds place. d.The digit in the millions place is 10 times greater than the digit in the thousands place.

Independent Practice In the number 9,999,999.999, what would be a true statement? a.The digit in the hundreds place is 1000 times greater the digit in the hundredths place. b.The digit in the tens place is 1000 times greater that the digit in the tenths place. c.The digit in the ten thousands place is 1000 times greater than the digit in the hundreds place. d.The digit in the millions place is 1000 times greater than the digit in the thousands place.

Similar presentations