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 4, then take away 9. Now I have 1. What number did I start with?
Answer: ______________
2I think of a number. I add 3, then take away 4. Now I have 9. What number did I start with?
Answer: ______________
3I think of a number. I add 4, then take away 7. Now I have 7. What number did I start with?
Answer: ______________
4I am more than 38 and less than 42, and I am even. What number am I?
Answer: ______________
5What comes next? 5, 7, 9, 11, ?
Answer: ______________
6I think of a number. I add 6, then take away 12. Now I have 6. What number did I start with?
Answer: ______________
7The scale balances. How much does one 🍎 weigh?
Answer: ______________
8The scale balances. How much does one 🍓 weigh?
Answer: ______________
9What comes next? 8, 13, 18, 23, ?
Answer: ______________
10I think of a number. I add 5, then take away 8. Now I have 8. What number did I start with?
Answer: ______________
11I think of a number. I add 3, then take away 5. Now I have 8. What number did I start with?
Answer: ______________
12I am more than 26 and less than 30, and I am even. What number am I?
Answer: ______________
Answer key: Challenge puzzles
- 1. 6
- 2. 10
- 3. 10
- 4. 40
- 5. 13
- 6. 12
- 7. 5
- 8. 2
- 9. 28
- 10. 11
- 11. 10
- 12. 28
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1