Estimating Sums, Differences, and Products
Add and Subtract Decimals
Multiply Decimals
Divide Decimals by Whole Numbers
Divide Decimals
100
20.791+5.25+3.84
What is 30?
100
7.59+13.86
What is 21.45?
100
0.06 X 0.5?
What is 0.03?
100
2.8/7
What is 0.4?
100
0.32/0.2
What is 0.16?
200
72.43-59.8
What is 12?
200
35.81-14.32
What is 21.49?
200
27.68 X 14.25
What is 394.44?
200
1.855/7
What is 0.265
200
3214.68/90.3
What is 35.6?
300
12.10X3.69
What is 48?
300
95.263+16.72?
What is 111.983?
300
0.62 X 64.6
What is 39.866
300
3.156/12
What is 0.263
300
433.504/23.56
What is 18.4?
400
615 X5.3
What is 3,000?
400
352.71-123.252
What is 229.458?
400
0.9 X 0.22
What is 0.198?
400
84.26/2
What is 42.13?
400
1553.96/58.64
What is 26.5
500
The students are selling tins of popcorn to raise money for their class trip. They sold 42 tins the first week. The tins cost 9.25 each. How much money did the students make the first week?
What is 360?
500
25.74+36.851-54.21?
What is 8.381?
500
Ms. Coopersmith wants to buy markers for her classroom. If markers cost $1.75 each. Does it cost her more money to buy 12 markers individually or to buy a pack of 12 markers for $19.95?
What is a pack of 12 markers for $19.95?
500
Elvis has a lot of dog toys. If it costs 125.08 for all of his toys and he has 53 toys and they all cost the same amount. How much does each toy cost?
What is 2.36?
500
A bag of apples weighs 7.92 pounds. If each apple weighs 0.33 pounds. How many apples are in the bag?
What is 24?
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