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Number Lines Counting by 10s: Free Printable With Answers
Free printable number lines counting by 10s: fill in the missing numbers on 8 number lines, with an answer key. New number lines every click.
Number line worksheets
Fill in the missing numbers, counting by 1s, 2s, 5s or 10s. New number lines every time.
Tip: print the worksheet for your child and the answer key for yourself. Choose “Save as PDF” as the printer to keep a copy.
Number lines: counting by 10s
Write the missing numbers on each number line.
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📚 Curriculum sources: Common Core Grade 2: Number & Operations in Base Ten · National curriculum in England: mathematics
Our worksheets and games follow school curriculum standards (US Common Core and the national curriculum in England). Every answer key is worked out by the computer, not typed by hand.
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Example
Find two numbers you know next to each other and work out the jump between them (here, 10). Then count on from the left to fill each gap.
| Number line | Missing numbers |
|---|---|
| 50, 60, 70, 80, __, 100, 110, __, __, 140, 150 | 90, 120, 130 |
Number lines help children see counting, adding (jumping right) and taking away (jumping left).
Questions grown-ups ask
What age are number lines for?+
Counting by 1s to 20 suits ages 4–6; counting by 2s, 5s and 10s ages 6–8; by 100s ages 8 and up.