πagarwalmath · 1st grade · Common Core MP.1
🚀 Challenge puzzles
Make sense of problems and keep at them (puzzles that need thinking, not a known method)
Name: ______________________Date: ____________
1I think of a number. I add 5, then take away 2. Now I have 6. What number did I start with?
Answer: ______________
2What comes next? 1, 11, 21, 31, ?
Answer: ______________
3I think of a number. I add 3, then take away 4. Now I have 3. What number did I start with?
Answer: ______________
4I am more than 42 and less than 46, and I am even. What number am I?
Answer: ______________
5What comes next? 3, 5, 7, 9, ?
Answer: ______________
6I think of a number. I add 5, then take away 13. Now I have 1. What number did I start with?
Answer: ______________
7I think of a number. I add 6, then take away 11. Now I have 4. What number did I start with?
Answer: ______________
8I think of a number. I add 3, then take away 6. Now I have 1. What number did I start with?
Answer: ______________
9I think of a number. I add 6, then take away 7. Now I have 7. What number did I start with?
Answer: ______________
10What comes next? 16, 26, 36, 46, ?
Answer: ______________
11I am more than 22 and less than 26, and I am even. What number am I?
Answer: ______________
12I think of a number. I add 3, then take away 4. Now I have 1. What number did I start with?
Answer: ______________
Answer key: Challenge puzzles
- 1. 3
- 2. 41
- 3. 4
- 4. 44
- 5. 11
- 6. 9
- 7. 9
- 8. 4
- 9. 8
- 10. 56
- 11. 24
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1