Year 1 Ten More, Ten Less (and One More, One Less) Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 1 place value worksheet.
Success TutoringWorksheetsAnswer sheetYear 1 · Mathematics · Place ValueYear 1 Ten More, Ten Less (and One More, One Less) Worksheet — Level 1 — Practice Set 4 — Answers
Use place value: ten more or ten less changes the tens digit.
1.One less than 11 is (answer space).
Answer: 10
- 11 − 1 = 10
2.Ten more than 0 is (answer space).
Answer: 10
- 0 + 10 = 10
3.One more than 42 is (answer space).
Answer: 43
- 42 + 1 = 43
4.One more than 71 is (answer space).
Answer: 72
- 71 + 1 = 72
5.Ten less than 86 is (answer space).
Answer: 76
- 86 − 10 = 76
6.Ten less than 68 is (answer space).
Answer: 58
- 68 − 10 = 58
7.Ten less than 66 is (answer space).
Answer: 56
- 66 − 10 = 56
8.Ten more than 27 is (answer space).
Answer: 37
- 27 + 10 = 37
9.One less than 62 is (answer space).
Answer: 61
- 62 − 1 = 61
10.One more than 85 is (answer space).
Answer: 86
- 85 + 1 = 86
11.One more than 76 is (answer space).
Answer: 77
- 76 + 1 = 77
12.Ten less than 36 is (answer space).
Answer: 26
- 36 − 10 = 26
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.