Estimating Solutions
What is an estimate for 27+38?
70
What is 45+32?
77
What is 6×7?
42
If a book costs \$12\ and you buy 3, how much do you spend?
36
What is 81 ÷ 9?
9
Round 125 to the nearest ten. What is it?
130
Calculate 78−29.
49
Calculate 25x7
175
You have \$50\ and you spend \$20\. How much do you have left?
$30
Divide 144 by 12.
12
Estimate the result of 54−29 by rounding.
80
What is 56+47?
103
What is 9×5?
45
A recipe calls for 2 cups of flour. If you want to make half the recipe, how much flour do you need?
1 cup of flour
What is 225 ÷ 15?
15
If you want to estimate 15×6, what are the two numbers you would round to?
1 and 6
How do you check your answer for 120−45?
75
If you have 33x10, what is the answer?
330
If a pack of gum is \$1.25\ and you want to buy 4 packs, how much will it cost?
$5
If you have 100 cookies and share them equally among 5 friends, how many cookies does each friend get?
20
Estimate the answer for 98÷4.
100
What is the sum of 89 and 47?
136
What is the sum of 8×9?
72
You save \$15\ each week. How much will you save in 5 weeks?
$75
Calculate 1,200 ÷ 24.
50