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 6, then take away 8. Now I have 2. What number did I start with?
Answer: ______________
2What comes next? 8, 10, 12, 14, ?
Answer: ______________
3I think of a number. I add 2, then take away 1. Now I have 11. What number did I start with?
Answer: ______________
4What comes next? 14, 16, 18, 20, ?
Answer: ______________
5I think of a number. I add 5, then take away 6. Now I have 5. What number did I start with?
Answer: ______________
6What comes next? 5, 7, 9, 11, ?
Answer: ______________
7I think of a number. I add 2, then take away 5. Now I have 1. What number did I start with?
Answer: ______________
8I think of a number. I add 3, then take away 4. Now I have 6. What number did I start with?
Answer: ______________
9I think of a number. I add 6, then take away 8. Now I have 8. What number did I start with?
Answer: ______________
10I am more than 31 and less than 35, and I am odd. What number am I?
Answer: ______________
11I think of a number. I add 4, then take away 6. Now I have 6. What number did I start with?
Answer: ______________
12I think of a number. I add 6, then take away 4. Now I have 11. What number did I start with?
Answer: ______________
Answer key: Challenge puzzles
- 1. 4
- 2. 16
- 3. 10
- 4. 22
- 5. 6
- 6. 13
- 7. 4
- 8. 7
- 9. 10
- 10. 33
- 11. 8
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1