Year 4 Ten More, Ten Less (and One More, One Less) Worksheet — Getting Started — Answers
Answer sheet with worked solutions for the Year 4 place value worksheet.
Success TutoringWorksheetsAnswer sheetYear 4 · Mathematics · Place ValueYear 4 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 2 is (answer space).
Answer: 1
- 2 − 1 = 1
2.One less than 4 is (answer space).
Answer: 3
- 4 − 1 = 3
3.One less than 11 is (answer space).
Answer: 10
- 11 − 1 = 10
4.One more than 4 is (answer space).
Answer: 5
- 4 + 1 = 5
5.One more than 8 is (answer space).
Answer: 9
- 8 + 1 = 9
6.One less than 17 is (answer space).
Answer: 16
- 17 − 1 = 16
7.One less than 9 is (answer space).
Answer: 8
- 9 − 1 = 8
8.One less than 5 is (answer space).
Answer: 4
- 5 − 1 = 4
9.One less than 15 is (answer space).
Answer: 14
- 15 − 1 = 14
10.One less than 8 is (answer space).
Answer: 7
- 8 − 1 = 7
11.One more than 3 is (answer space).
Answer: 4
- 3 + 1 = 4
12.One more than 2 is (answer space).
Answer: 3
- 2 + 1 = 3
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.