5th Jeopardy Cap. 7Multiply a decimal by a decimal

Shift Patterns Divide a decimal by a whole number

Divide a decimal by a decimal

Estimate

100100

500500

200200

300300

400400

100100 100100100100100100

200200

300300

400400

500500

200200

300300

400400

500500

200200

300300

400400

500500

200200

300300

400400

500500

Story Problems

A restaurant earned $145.50 in tips. 25 waiters needed to share it. How much did each person get?

AnswerAnswer

$5.82

A school needs to send 345 second graders to the zoo. If each bus holds 65 students, how many buses are needed?

AnswerAnswer

•6 buses

•Cupcakes cost $0.55 each. How many cupcakes could be bought with $8.25?

AnswerAnswer

15 cupcakes

• An oak tree is 16.8 meters tall. A lilac bush is 0.7 meters tall. How many times taller is the tree than the bush?

AnswerAnswer

•24 times taller

Cookies can be purchased for $0.85 each. How many can be bought for

$10.20?

AnswerAnswer

12 cookies

• 5.021÷101=_________________• 5.021÷103=_________________• 5.021÷105=_________________

AnswerAnswer

• 5.021÷101=50.21• 5.021÷103=5,021.• 5.021÷105=502,100.

• 4,071÷101=_________________• 4,071÷103=_________________• 4,071÷105=_________________

AnswerAnswer

• 4,071÷101=40,710.• 4,071÷103=4,071,000.• 4,071÷105=407,100,000.

• 471 ÷ 0.1• 471 ÷ 0.01• 471 ÷ 0.001

AnswerAnswer

•471 ÷ 0.1= 4,710• 471 ÷ 0.01= 47,100• 471 ÷ 0.001= 471,000

•5.8 ÷ 0.1• 5.8 ÷ 0.01• 5.8 ÷ 0.001

AnswerAnswer

•5.8 ÷ 0.1 = 58• 5.8 ÷ 0.01 = 580• 5.8 ÷ 0.001 = 5,800

•12 ÷ 0.1 = • 12 ÷ 0.01 = •12 ÷ 0.001 =

AnswerAnswer

•12 ÷ 0.1 = 120• 12 ÷ 0.01 = 1,200• 12 ÷ 0.001 = 12,000

Divide Decimals by Whole Numbers

•10√67.5

AnswerAnswer

•6.75

Divide Decimals by Whole Numbers

5√4.56

AnswerAnswer

0.912

Divide Decimals by Whole Numbers

•9√7.92

AnswerAnswer

0.88

Divide Decimals by Whole Numbers

4√43.2

AnswerAnswer

10.8

Divide Decimals by Whole Numbers

7√49.7

AnswerAnswer

7.1

Divide Decimals by Decimals

4.2√8.4

AnswerAnswer

2

Divide Decimals by Decimals

9.2√27.6

AnswerAnswer

Dividir decimales por decimales

3

Divide Decimals by Decimals

AnswerAnswer

3.5√7.35

2.1

Divide Decimals by Decimals

6.3√25.2

AnswerAnswer

4

Divide Decimals by Decimals

2.9√28.42

AnswerAnswer

9.8

Estimate

4.5×3.6=

AnswerAnswer

5×4=20

Estimate

7.3×5.4=

AnswerAnswer

7×5=35

Estimar

5.2√23.98

AnswerAnswer

Estimate

5√25 =5

Estimate

AnswerAnswer

6.7√22.11

3

Estimate

AnswerAnswer

2.3√8.12

4