How do I print or save these worksheets as a PDF?

Click Print worksheet and choose your printer, or pick “Save as PDF” as the destination to keep a digital copy. The answer key prints on its own page.

Can I get a fresh set of problems?

Yes. Click New problems for a brand new randomly generated worksheet, as many times as you like.

Is this worksheet generator free?

Yes. Every generator on the site is free to use, with no account, no watermark and unlimited printing for classroom or home use.

Number sense worksheet generator

Reasoning questions rather than computation drills — students judge size and reasonableness.

Number Sense

Name: Date:

1.
Estimate 981 + 376 to the nearest hundred:
2.
Estimate 535 + 836 to the nearest hundred:
3.
Estimate 558 + 412 to the nearest hundred:
4.
Estimate 166 + 789 to the nearest hundred:
5.
Estimate 997 + 842 to the nearest hundred:
6.
Estimate 513 + 951 to the nearest hundred:
7.
Estimate 901 + 972 to the nearest hundred:
8.
Estimate 664 + 323 to the nearest hundred:
9.
Estimate 526 + 374 to the nearest hundred:
10.
Estimate 795 + 878 to the nearest hundred:
11.
Estimate 681 + 802 to the nearest hundred:
12.
Estimate 808 + 687 to the nearest hundred:
13.
Estimate 507 + 166 to the nearest hundred:
14.
Estimate 393 + 285 to the nearest hundred:
15.
Estimate 777 + 190 to the nearest hundred:
16.
Estimate 351 + 158 to the nearest hundred:
17.
Estimate 666 + 934 to the nearest hundred:
18.
Estimate 412 + 290 to the nearest hundred:
19.
Estimate 101 + 713 to the nearest hundred:
20.
Estimate 828 + 143 to the nearest hundred:

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Number Sense — Answer Key

Name: Date:

1.
Estimate 981 + 376 to the nearest hundred:
1400
2.
Estimate 535 + 836 to the nearest hundred:
1300
3.
Estimate 558 + 412 to the nearest hundred:
1000
4.
Estimate 166 + 789 to the nearest hundred:
1000
5.
Estimate 997 + 842 to the nearest hundred:
1800
6.
Estimate 513 + 951 to the nearest hundred:
1500
7.
Estimate 901 + 972 to the nearest hundred:
1900
8.
Estimate 664 + 323 to the nearest hundred:
1000
9.
Estimate 526 + 374 to the nearest hundred:
900
10.
Estimate 795 + 878 to the nearest hundred:
1700
11.
Estimate 681 + 802 to the nearest hundred:
1500
12.
Estimate 808 + 687 to the nearest hundred:
1500
13.
Estimate 507 + 166 to the nearest hundred:
700
14.
Estimate 393 + 285 to the nearest hundred:
700
15.
Estimate 777 + 190 to the nearest hundred:
1000
16.
Estimate 351 + 158 to the nearest hundred:
600
17.
Estimate 666 + 934 to the nearest hundred:
1600
18.
Estimate 412 + 290 to the nearest hundred:
700
19.
Estimate 101 + 713 to the nearest hundred:
800
20.
Estimate 828 + 143 to the nearest hundred:
900

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Frequently asked questions

How do I print or save these worksheets as a PDF?: Click Print worksheet and choose your printer, or pick “Save as PDF” as the destination to keep a digital copy. The answer key prints on its own page.
Can I get a fresh set of problems?: Yes. Click New problems for a brand new randomly generated worksheet, as many times as you like.
Is this worksheet generator free?: Yes. Every generator on the site is free to use, with no account, no watermark and unlimited printing for classroom or home use.