Estimating Decimals Question Preview (ID: 59952)
Estimating Decimals.
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Multi-Step Marco has room for 15 more minutes of songs on his mp3 player. He has three songs to upload with the following lengths: 5.15 minutes, 3.8 minutes, and 4.4 minutes. After uploading all three songs, about how many minutes will he have left?
a) 3 minutes
b) 1 minute
c) 2 minutes
d) 0 minutes
t Geoff and Andrea want to combine their money to buy pizza. Geoff has $5.95. Andrea has $8.30. Which benchmarks should they use to estimate the money they have?
a) $6.00 + $8.25
b) $5.75 + $8.00
c) $6.00 + $8.50
d) $5.00 + $8.00
Fran bought sneakers for $54.26 and a shirt for $34.34. If Fran started with $100, about how much money does she have left?
a) $35
b) $20
c) $5
d) $80
Li is running a race around the school track. He runs 0.327 kilometer during the first half of the race. What is the distance that he travels in the first half of the race, rounded to the nearest hundredth?
a) 0.33 kilometer
b) 0.32 kilometer
c) 3 kilometers
d) 3.3 kilometers
A video lasts 6.44 minutes. About how long does the video last, rounded to the nearest minute?
a) 6.5 minutes
b) 6.4 minutes
c) about 7 minutes
d) about 6 minutes
Dylan wants to buy a book for $16.95 and a magazine for $4.50. About how much will he need to buy the items without having to round down to the nearest benchmark?
a) $15
b) $30
c) $25
d) $20
Sasha downloads a song that is 4.32 minutes long and one that is 8.28 minutes long. About how many minutes will it take all of her songs to play if she already has 13.8 minutes of songs?
a) 15 minutes
b) 30 minutes
c) 20 minutes
d) 26 minutes
Mike spends $23.40 on a present for his mom and a $18.95 on a present for his dad. If Mike started with $75, about how much money does he have left?
a) $30
b) $50
c) $20
d) $40
Danielle and Raj want to combine their money to buy a soccer ball. Danielle has $7.95. Raj has $6.35. Which benchmarks should they use to estimate the money they have?
a) $7.75 + $6.50
b) $8.00 + $6.25
c) $7.50 + $6.50
d) $6.00 + $6.50
Multi-Step Jesse, Max, and Kalel each ate 0.32 of a pizza pie. Which number shows the best estimate of how much of the pie they ate together?
a) 1.0
b) 0.5
c) 0.25
d) 0.10
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