Year 3 Ten More, Ten Less (and One More, One Less) Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the Year 3 place value worksheet.
Success TutoringWorksheetsAnswer sheetYear 3 · Mathematics · Place ValueYear 3 Ten More, Ten Less (and One More, One Less) Worksheet — Level 1 — Answers
Use place value: ten more or ten less changes the tens digit.
1.Ten more than 80 is (answer space).
Answer: 90
- 80 + 10 = 90
2.One more than 12 is (answer space).
Answer: 13
- 12 + 1 = 13
3.Ten less than 79 is (answer space).
Answer: 69
- 79 − 10 = 69
4.One less than 44 is (answer space).
Answer: 43
- 44 − 1 = 43
5.Ten less than 10 is (answer space).
Answer: 0
- 10 − 10 = 0
6.Ten more than 71 is (answer space).
Answer: 81
- 71 + 10 = 81
7.One less than 56 is (answer space).
Answer: 55
- 56 − 1 = 55
8.Ten less than 94 is (answer space).
Answer: 84
- 94 − 10 = 84
9.Ten less than 52 is (answer space).
Answer: 42
- 52 − 10 = 42
10.Ten more than 29 is (answer space).
Answer: 39
- 29 + 10 = 39
11.One more than 36 is (answer space).
Answer: 37
- 36 + 1 = 37
12.One more than 26 is (answer space).
Answer: 27
- 26 + 1 = 27
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.