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📝 10 More, 10 Less: Practice B (1.NBT.C.5)

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Mentally find 10 more or 10 less than a two-digit number. Solve each problem.

1. 10 more than 26 is ___
2. 10 less than 73 is ___
3. 10 more than 21 is ___
4. 10 less than 35 is ___
5. 10 more than 77 is ___
6. 10 less than 18 is ___
7. 10 more than 22 is ___
8. 10 less than 72 is ___
9. 10 more than 76 is ___
10. 10 less than 41 is ___
11. 10 more than 28 is ___
12. 10 less than 50 is ___
Answer key: 1) 36 · 2) 63 · 3) 31 · 4) 25 · 5) 87 · 6) 8 · 7) 32 · 8) 62 · 9) 86 · 10) 31 · 11) 38 · 12) 40
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Worksheets › Grade 1 Math › 10 More, 10 Less › 10 More, 10 Less

Grade 1 (ages 6–7)Numbers & mathsFree printable PDF

About this grade 1 worksheet

Free Grade 1 math worksheet (Common Core 1.NBT.C.5): 10 more, 10 less — a second set of twelve practice problems, with answer key. Skill: Mentally find 10 more or 10 less than a two-digit number. Level: Grade 1 — also suits Year 2 (UK).

For teachers: skills & standards

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What age is it for?

It is designed for Grade 1 (ages 6–7), but use it with any child who is ready.

What skills does it build?

Mentally find 10 more or 10 less than a two-digit number.

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More “10 More, 10 Less” printables (1.nbt.c.5: mentally find 10 more or 10 less than a two-digit number)

10 More, 10 Less: Practice A (1.NBT.C.5) · 10 More, 10 Less: Mixed Practice & Reasoning (1.NBT.C.5) · 10 More, 10 Less: Show Your Thinking (1.NBT.C.5) · 10 More, 10 Less: Quick Check (1.NBT.C.5)

All 5 10 more, 10 less sheets → · Grade 1 Math: all 10 skills → · All Common Core grades

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