3rd Grade Ten More, Ten Less (and One More, One Less) Worksheet — Getting Started — Practice Set 3 — Answers
Answer sheet with worked solutions for the 3rd Grade place value worksheet.
3rd Grade 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 10 is (answer space).
Answer: 9
- 10 − 1 = 9
2.One less than 1 is (answer space).
Answer: 0
- 1 − 1 = 0
3.One less than 16 is (answer space).
Answer: 15
- 16 − 1 = 15
4.One more than 13 is (answer space).
Answer: 14
- 13 + 1 = 14
5.One more than 8 is (answer space).
Answer: 9
- 8 + 1 = 9
6.One less than 4 is (answer space).
Answer: 3
- 4 − 1 = 3
7.One less than 3 is (answer space).
Answer: 2
- 3 − 1 = 2
8.One less than 11 is (answer space).
Answer: 10
- 11 − 1 = 10
9.One more than 6 is (answer space).
Answer: 7
- 6 + 1 = 7
10.One more than 11 is (answer space).
Answer: 12
- 11 + 1 = 12
11.One less than 20 is (answer space).
Answer: 19
- 20 − 1 = 19
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.