Year 3 Ten More, Ten Less (and One More, One Less) Worksheet — Getting Started — Practice Set 3 — 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 — Practice Set 3 — 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 less than 4 is (answer space).
Answer: 3
- 4 − 1 = 3
3.One less than 2 is (answer space).
Answer: 1
- 2 − 1 = 1
4.One more than 11 is (answer space).
Answer: 12
- 11 + 1 = 12
5.One less than 9 is (answer space).
Answer: 8
- 9 − 1 = 8
6.One less than 17 is (answer space).
Answer: 16
- 17 − 1 = 16
7.One less than 13 is (answer space).
Answer: 12
- 13 − 1 = 12
8.One more than 4 is (answer space).
Answer: 5
- 4 + 1 = 5
9.One more than 2 is (answer space).
Answer: 3
- 2 + 1 = 3
10.One less than 10 is (answer space).
Answer: 9
- 10 − 1 = 9
11.One more than 18 is (answer space).
Answer: 19
- 18 + 1 = 19
12.One less than 5 is (answer space).
Answer: 4
- 5 − 1 = 4
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.