Year 1 Ten More, Ten Less (and One More, One Less) Worksheet — Level 1 — Practice Set 2 — 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 2 — Answers
Use place value: ten more or ten less changes the tens digit.
1.One less than 36 is (answer space).
Answer: 35
- 36 − 1 = 35
2.Ten more than 89 is (answer space).
Answer: 99
- 89 + 10 = 99
3.One more than 45 is (answer space).
Answer: 46
- 45 + 1 = 46
4.One more than 43 is (answer space).
Answer: 44
- 43 + 1 = 44
5.Ten more than 57 is (answer space).
Answer: 67
- 57 + 10 = 67
6.One more than 85 is (answer space).
Answer: 86
- 85 + 1 = 86
7.One less than 45 is (answer space).
Answer: 44
- 45 − 1 = 44
8.Ten less than 12 is (answer space).
Answer: 2
- 12 − 10 = 2
9.Ten less than 81 is (answer space).
Answer: 71
- 81 − 10 = 71
10.One more than 46 is (answer space).
Answer: 47
- 46 + 1 = 47
11.One less than 3 is (answer space).
Answer: 2
- 3 − 1 = 2
12.One more than 68 is (answer space).
Answer: 69
- 68 + 1 = 69
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.