Year 3 Ten More, Ten Less (and One More, One Less) Worksheet — Getting Started — 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 — Getting Started — 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.One more than 15 is (answer space).
Answer: 16
- 15 + 1 = 16
3.One less than 12 is (answer space).
Answer: 11
- 12 − 1 = 11
4.One less than 13 is (answer space).
Answer: 12
- 13 − 1 = 12
5.One more than 7 is (answer space).
Answer: 8
- 7 + 1 = 8
6.One more than 6 is (answer space).
Answer: 7
- 6 + 1 = 7
7.One less than 8 is (answer space).
Answer: 7
- 8 − 1 = 7
8.One less than 9 is (answer space).
Answer: 8
- 9 − 1 = 8
9.One more than 18 is (answer space).
Answer: 19
- 18 + 1 = 19
10.One less than 6 is (answer space).
Answer: 5
- 6 − 1 = 5
11.One more than 13 is (answer space).
Answer: 14
- 13 + 1 = 14
12.One more than 8 is (answer space).
Answer: 9
- 8 + 1 = 9
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.