🔢 3rd grade math · Counting & Numbers

Round to tens and hundreds

Rounding finds the closest ten. 34 is closer to 30 than to 40. Exactly halfway, like 35, rounds up to 40.

Worked example

Round 96 to the nearest ten.

Answer: 100

96 is between 90 and 100. Halfway is 95. It's past halfway, so it's closer to 100.

For grown-ups: Round to nearest 10 or 100. Below: three problems to try with the worked answers, and a free printable sheet. Children can practise the same skill as a game, with no sign-up and no ads.

CCSS 3.NBT.A.1

What this practises, for teachers

Practices round to nearest 10 or 100 (3.NBT.A.1). A printable sheet with its answer key, worked answers on the page, no accounts.

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For your class

🖨️ Printable sheet and key

On the board with this skill:

More printables, with answer keys, for this grade:

Try three

Round 65 to the nearest ten.
Show the answer and how
Answer: 70
65 is between 60 and 70. Halfway is 65. It's exactly halfway, and halfway always rounds up, so it's 70.
Round 19 to the nearest ten.
Show the answer and how
Answer: 20
19 is between 10 and 20. Halfway is 15. It's past halfway, so it's closer to 20.
Round 735 to the nearest ten.
Show the answer and how
Answer: 740
735 is between 730 and 740. Halfway is 735. It's exactly halfway, and halfway always rounds up, so it's 740.

Before and after

Learn first: Compare three-digit numbers (2nd)

Comes next: Big numbers to a million (4th)

Name: ____________________Date: ____________Score: ____ / 12

Round to tens and hundreds (3rd grade)

Round 59 to the nearest ten.
Round 23 to the nearest ten.
Round 66 to the nearest ten.
Round 81 to the nearest ten.
Round 35 to the nearest ten.
Round 76 to the nearest ten.
Round 21 to the nearest ten.
Round 95 to the nearest ten.
Round 757 to the nearest ten.
Round 274 to the nearest ten.
Round 735 to the nearest ten.
Round 397 to the nearest ten.

Try three

Before and after

Round to tens and hundreds (3rd grade)

Answer key