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 2, then take away 7. Now I have 3. What number did I start with?
Answer: ______________
2What comes next? 11, 21, 31, 41, ?
Answer: ______________
3What comes next? 10, 20, 30, 40, ?
Answer: ______________
4I think of a number. I add 6, then take away 2. Now I have 14. What number did I start with?
Answer: ______________
5I am more than 38 and less than 42, and I am even. What number am I?
Answer: ______________
6I think of a number. I add 3, then take away 1. Now I have 12. What number did I start with?
Answer: ______________
7I think of a number. I add 6, then take away 9. Now I have 1. What number did I start with?
Answer: ______________
8What comes next? 1, 11, 21, 31, ?
Answer: ______________
9I think of a number. I add 4, then take away 9. Now I have 7. What number did I start with?
Answer: ______________
10The scale balances. How much does one 🍓 weigh?
Answer: ______________
11I think of a number. I add 3, then take away 4. Now I have 1. What number did I start with?
Answer: ______________
12I think of a number. I add 2, then take away 3. Now I have 4. What number did I start with?
Answer: ______________
Answer key: Challenge puzzles
- 1. 8
- 2. 51
- 3. 50
- 4. 10
- 5. 40
- 6. 10
- 7. 4
- 8. 41
- 9. 12
- 10. 4
- 11. 2
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1