Year 1 Ten More, Ten Less (and One More, One Less) Worksheet — Level 1 — Practice Set 3 — 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 3 — Answers
Use place value: ten more or ten less changes the tens digit.
1.One more than 3 is (answer space).
Answer: 4
- 3 + 1 = 4
2.Ten less than 41 is (answer space).
Answer: 31
- 41 − 10 = 31
3.One more than 87 is (answer space).
Answer: 88
- 87 + 1 = 88
4.Ten more than 2 is (answer space).
Answer: 12
- 2 + 10 = 12
5.Ten more than 9 is (answer space).
Answer: 19
- 9 + 10 = 19
6.One more than 48 is (answer space).
Answer: 49
- 48 + 1 = 49
7.Ten less than 16 is (answer space).
Answer: 6
- 16 − 10 = 6
8.Ten more than 22 is (answer space).
Answer: 32
- 22 + 10 = 32
9.One less than 10 is (answer space).
Answer: 9
- 10 − 1 = 9
10.One more than 21 is (answer space).
Answer: 22
- 21 + 1 = 22
11.One less than 35 is (answer space).
Answer: 34
- 35 − 1 = 34
12.Ten more than 46 is (answer space).
Answer: 56
- 46 + 10 = 56
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.