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 3, then take away 4. Now I have 2. What number did I start with?
Answer: ______________
2I think of a number. I add 6, then take away 7. Now I have 7. What number did I start with?
Answer: ______________
3I think of a number. I add 2, then take away 7. Now I have 1. What number did I start with?
Answer: ______________
4I think of a number. I add 5, then take away 7. Now I have 1. What number did I start with?
Answer: ______________
5I think of a number. I add 6, then take away 5. Now I have 8. What number did I start with?
Answer: ______________
6The scale balances. How much does one 🍌 weigh?
Answer: ______________
7What comes next? 9, 11, 13, 15, ?
Answer: ______________
8I think of a number. I add 2, then take away 5. Now I have 6. What number did I start with?
Answer: ______________
9I think of a number. I add 3, then take away 7. Now I have 5. What number did I start with?
Answer: ______________
10What comes next? 16, 26, 36, 46, ?
Answer: ______________
11I think of a number. I add 3, then take away 13. Now I have 2. What number did I start with?
Answer: ______________
12I think of a number. I add 6, then take away 1. Now I have 7. What number did I start with?
Answer: ______________
Answer key: Challenge puzzles
- 1. 3
- 2. 8
- 3. 6
- 4. 3
- 5. 7
- 6. 4
- 7. 17
- 8. 9
- 9. 9
- 10. 56
- 11. 12
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1