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You can create printable tests and worksheets from these Grade 3 Estimation questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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Estimate the difference of 345 and 159.
1. 200
2. 400
3. 100
4. 186
Estimate the difference. Round each number to the nearest ten, then subtract.
$516 - 61$
1. 430
2. 440
3. 450
4. 460
Estimate the difference. Round each number to the nearest hundred, then subtract.
$875 - 482$
1. 300
2. 390
3. 400
4. 490
A restaurant will serve pancakes to 25 adults and 13 children. Each person will eat 2 pancakes. About how many pancakes should the cook make?
1. 50
2. 60
3. 80
4. 100
Estimate the difference. Round each number to the nearest ten, then subtract.
$247 - 106$
1. 100
2. 130
3. 140
4. 200
Briah had 134 cans of soup to donate to charity. Her friends ate 86 cans. What is the best estimation of how many cans Briah had left to donate?
1. 220
2. 10
3. 40
4. 48
Estimate the sum:

721 + 248 =
1. 800
2. 1100
3. 1000
4. 900
Estimate the difference. Round each number to the nearest hundred, then subtract.
$996 - 257$
1. 600
2. 700
3. 800
4. 900
Brent has 45 toys and Sue has 92 toys. Which is the best estimate of how many toys they have together?
1. 140
2. 30
3. 137
4. 130
Estimate the difference. Round each number to the nearest ten, then subtract.
$54 - 38$
1. 10
2. 20
3. 30
4. 40
Estimate the difference. Round each number to the nearest ten, then subtract.
$95 - 23$
1. 50
2. 60
3. 70
4. 80
Estimate the difference. Round each number to the nearest hundred, then subtract.
$936 - 390$
1. 500
2. 550
3. 600
4. 650
A(n)                 is a number close to an exact amount.
1. estimate
2. pattern
Estimate the sum:

183 + 134 =
1. 300
2. 400
3. 200
4. 500
Estimate the difference. Round each number to the nearest ten, then subtract.
$671 - 485$
1. 180
2. 190
3. 200
4. 210
Estimate the difference. Round each number to the nearest hundred, then subtract.
$218 - 149$
1. 50
2. 100
3. 250
4. 200
Estimate the difference. Round each number to the nearest ten, then subtract.
$763 - 89$
1. 600
2. 670
3. 690
4. 700
There were 29 students in music class on Wednesday. On Thursday there were 36 students in music class. Then on Friday there were 21 students in music class. About how many students were in music class on Wednesday, Thursday, and Friday?
1. 100
2. 80
3. 90
4. 70