PaginePaginepagineapp.comMentally find 10 more or 10 less than a two-digit number. Work on your own. Then check your answers.
Score: ____ / 10 I can mentally find 10 more or 10 less than a two-digit number: ☐ yes ☐ almost ☐ not yet
Worksheets › Grade 1 Math › 10 More, 10 Less › 10 More, 10 Less
Free Grade 1 math worksheet (Common Core 1.NBT.C.5): 10 more, 10 less — a ten-question quick check (quiz), with answer key. Skill: Mentally find 10 more or 10 less than a two-digit number. Level: Grade 1 — also suits Year 2 (UK).
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It is designed for Grade 1 (ages 6–7), but use it with any child who is ready.
Mentally find 10 more or 10 less than a two-digit number.
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10 More, 10 Less: Practice A (1.NBT.C.5) · 10 More, 10 Less: Practice B (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)
All 5 10 more, 10 less sheets → · Grade 1 Math: all 10 skills → · All Common Core grades
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