Rounding to the nearest hundred uses the tens digit to decide: 0 to 4 rounds down and 5 to 9 rounds up.
Grade 3
Common Core 3.NBT.A.1
Answer key included
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Rounding to the Nearest Hundred
Score / 30
Round each number to the nearest hundred.
1.8,318→
2.6,348→
3.391→
4.9,949→
5.3,517→
6.5,455→
7.1,754→
8.793→
9.2,551→
10.1,905→
11.9,998→
12.5,988→
13.8,420→
14.7,851→
15.173→
16.7,823→
17.1,872→
18.1,176→
19.3,435→
20.746→
21.2,007→
22.7,084→
23.6,221→
24.5,514→
25.4,795→
26.9,516→
27.4,435→
28.2,547→
29.5,765→
30.6,742→
Answer keyRounding to the Nearest Hundred
Round each number to the nearest hundred.
1.8,318→8,300
2.6,348→6,300
3.391→400
4.9,949→9,900
5.3,517→3,500
6.5,455→5,500
7.1,754→1,800
8.793→800
9.2,551→2,600
10.1,905→1,900
11.9,998→10,000
12.5,988→6,000
13.8,420→8,400
14.7,851→7,900
15.173→200
16.7,823→7,800
17.1,872→1,900
18.1,176→1,200
19.3,435→3,400
20.746→700
21.2,007→2,000
22.7,084→7,100
23.6,221→6,200
24.5,514→5,500
25.4,795→4,800
26.9,516→9,500
27.4,435→4,400
28.2,547→2,500
29.5,765→5,800
30.6,742→6,700
What's on this worksheet
Three- and four-digit numbers that are not already multiples of 100. Each sheet comes with an answer key on a separate page.
Teaching tips
Use a number line marked in hundreds.
Watch numbers like 962, which round up to 1,000.
How to use this worksheet maker
Press New worksheet for a fresh set of problems, then Print. To save a PDF instead, choose "Save as PDF" in the print window. Every sheet has a short code in the bottom corner. Copy the link to a sheet and you can print exactly the same problems again later, which is handy for retakes and for sharing with other teachers.