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Add/Sub Decimals
Estimating Decimals
Multi. Decimals by Whole Numbers
Multi. Decimals by Decimals
Word Problems
100
Estimate 8.7 x 2.8 = ?
What is 27
100
4 x 0.83 = ?
What is 3.32
100
3.6 x 0.05 = ?
What is 0.18
100
A hat costs $10.95 & a t-shirt costs $14.20. How much change will you receive if you pay for both items with a $50 bill?
What is $24.85.
200
24.5 + 13.06 = ?
What is 37.56
200
Estimate 68.4 x 21.3 = ?
What is 1,400
200
0.071 x 8 = ?
What is 0.568
200
0.45 x 0.053 = ?
What is 0.02385
200
In 2 months, Michelle spent a total of $305.43 on groceries. She spent $213.20 in the first month. How much did she spend in the second month?
What is $92.23.
300
5.774 - 2.371 = ?
What is 3.403
300
Estimate. A grocery store sells American cheese for $3.89 per pound. About how much would 1.89 pounds of cheese cost?
What is $8.00
300
0.0198 x 75 = ?
What is 1.485
300
14.7 x 11.361 = ?
What is 167.0067
300
Connor is making a snack mix for his family camping trip. He added 17.59 ounces of peanuts to 27.35 ounces of granola. How many ounces of snack mix does he have?
What is 44.94 ounces of snack mix.
400
6 - 4.78 = ?
What is 1.22
400
Estimate. 13.92 x 2.7 = ?
What is 42
400
A hummingbird has a mass of 1.8 grams. How many grams are 6 hummingbirds and a 4-gram nest?
What is 14.8 grams.
400
A giraffe can run up to 46.93 feet per second. How far could a giraffe run in 18.1 seconds?
What is 84.474 feet.
400
Jenna has 52 megabytes left on her iPod. She wants to download 8 songs that each use 8.9 megabytes of memory. She estimates that she will need 54 megabytes of memory. Is her estimate reasonable? Explain your reasoning.
What is: No, she will only have enough memory to download 6 songs.
500
23 - 4.216 = ?
What is 18.784
500
Estimate. 28.21 x 8.02 = ?
What is 240
500
Find the area of a rectangular rug with a length of 75.25 inches and a width of 60 inches.
What is 4,515 square inches.
500
A turtle can walk up to 0.69 miles per hour. At this rate, how far could a turtle walk in 1.75 hours?
What is 1.2075 miles.
500
Karen buys 14 folders for $0.75 each. How much change will she receive if she pays with $15?
What is $4.50.