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One more & one less
Find the number that is 1, 2 or 10 more or less than a given whole number. Review suitability for your learners before teaching.
Worksheet StudioPractice pack · Ages 4-6
One more & one less
Take your time. Show your thinking.
1. What number is 1 more than 2?
1 m · 2 · One more & one less2. What number is 1 less than 7?
1 · 7 · One more & one less3. What number is 1 more than 16?
1 m · 16 · One more & one less4. What number is 1 more than 12?
1 m · 12 · One more & one less5. What number is 1 more than 14?
1 m · 14 · One more & one less6. What number is 1 less than 3?
1 · 3 · One more & one less7. What number is 1 more than 7?
1 m · 7 · One more & one less8. What number is 1 more than 20?
1 m · 20 · One more & one less9. What number is 1 less than 15?
1 · 15 · One more & one less10. What number is 1 more than 19?
1 m · 19 · One more & one less11. What number is 1 less than 12?
1 · 12 · One more & one less12. What number is 1 more than 3?
1 m · 3 · One more & one less
12 questions · Seed 49 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 4-6
One more & one less
Answers and reasoning. Review before teaching.
1. What number is 1 more than 2?
31 more than 2 is 2 + 1 = 3.
2. What number is 1 less than 7?
61 less than 7 is 7 − 1 = 6.
3. What number is 1 more than 16?
171 more than 16 is 16 + 1 = 17.
4. What number is 1 more than 12?
131 more than 12 is 12 + 1 = 13.
5. What number is 1 more than 14?
151 more than 14 is 14 + 1 = 15.
6. What number is 1 less than 3?
21 less than 3 is 3 − 1 = 2.
7. What number is 1 more than 7?
81 more than 7 is 7 + 1 = 8.
8. What number is 1 more than 20?
211 more than 20 is 20 + 1 = 21.
9. What number is 1 less than 15?
141 less than 15 is 15 − 1 = 14.
10. What number is 1 more than 19?
201 more than 19 is 19 + 1 = 20.
11. What number is 1 less than 12?
111 less than 12 is 12 − 1 = 11.
12. What number is 1 more than 3?
41 more than 3 is 3 + 1 = 4.
12 questions · Seed 49 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 4-6
One more & one less
Take your time. Show your thinking.
1. What number is 1 more than 2?
1 m · 2 · One more & one less2. What number is 1 less than 7?
1 · 7 · One more & one less3. What number is 1 more than 16?
1 m · 16 · One more & one less4. What number is 1 more than 12?
1 m · 12 · One more & one less5. What number is 1 more than 14?
1 m · 14 · One more & one less6. What number is 1 less than 3?
1 · 3 · One more & one less7. What number is 1 more than 7?
1 m · 7 · One more & one less8. What number is 1 more than 20?
1 m · 20 · One more & one less9. What number is 1 less than 15?
1 · 15 · One more & one less10. What number is 1 more than 19?
1 m · 19 · One more & one less11. What number is 1 less than 12?
1 · 12 · One more & one less12. What number is 1 more than 3?
1 m · 3 · One more & one less
12 questions · Seed 49 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 4-6
One more & one less
Answers and reasoning. Review before teaching.
1. What number is 1 more than 2?
31 more than 2 is 2 + 1 = 3.
2. What number is 1 less than 7?
61 less than 7 is 7 − 1 = 6.
3. What number is 1 more than 16?
171 more than 16 is 16 + 1 = 17.
4. What number is 1 more than 12?
131 more than 12 is 12 + 1 = 13.
5. What number is 1 more than 14?
151 more than 14 is 14 + 1 = 15.
6. What number is 1 less than 3?
21 less than 3 is 3 − 1 = 2.
7. What number is 1 more than 7?
81 more than 7 is 7 + 1 = 8.
8. What number is 1 more than 20?
211 more than 20 is 20 + 1 = 21.
9. What number is 1 less than 15?
141 less than 15 is 15 − 1 = 14.
10. What number is 1 more than 19?
201 more than 19 is 19 + 1 = 20.
11. What number is 1 less than 12?
111 less than 12 is 12 − 1 = 11.
12. What number is 1 more than 3?
41 more than 3 is 3 + 1 = 4.
12 questions · Seed 49 · Age guidance, not curriculum certification