Year 3 Ten More, Ten Less (and One More, One Less) Worksheet — Level 3 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 3 place value worksheet.
Year 3 Ten More, Ten Less (and One More, One Less) Worksheet — Level 3 — Practice Set 2 — Answers
Use place value: ten more or ten less changes the tens digit.
1.A hundred more than 771 is (answer space).
Answer: 871
- 771 + 100 = 871
2.A hundred less than 984 is (answer space).
Answer: 884
- 984 − 100 = 884
3.A hundred more than 451 is (answer space).
Answer: 551
- 451 + 100 = 551
4.Ten more than 897 is (answer space).
Answer: 907
- 897 + 10 = 907
5.A hundred more than 492 is (answer space).
Answer: 592
- 492 + 100 = 592
6.A hundred more than 385 is (answer space).
Answer: 485
- 385 + 100 = 485
7.A hundred more than 221 is (answer space).
Answer: 321
- 221 + 100 = 321
8.A hundred more than 216 is (answer space).
Answer: 316
- 216 + 100 = 316
9.A hundred less than 921 is (answer space).
Answer: 821
- 921 − 100 = 821
10.A hundred less than 888 is (answer space).
Answer: 788
- 888 − 100 = 788
11.Ten more than 247 is (answer space).
Answer: 257
- 247 + 10 = 257
12.Ten less than 105 is (answer space).
Answer: 95
- 105 − 10 = 95
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.