5 th Jeopardy Cap. 7 Multiply a decimal by a decimal Shift Patterns Divide a decimal by a whole number Divide a decimal by a decimal Estimate 100 500 200 300 400 100 100 100 100 200 300 400 500 200 300 400 500 200 300 400 500 200 300 400 500
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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
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