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: ____________
1What comes next? 2, 7, 12, 17, ?
Answer: ______________
2I think of a number. I add 2, then take away 10. Now I have 3. What number did I start with?
Answer: ______________
3I think of a number. I add 3, then take away 4. Now I have 2. What number did I start with?
Answer: ______________
4I think of a number. I add 2, then take away 6. Now I have 2. What number did I start with?
Answer: ______________
5I think of a number. I add 4, then take away 3. Now I have 6. What number did I start with?
Answer: ______________
6I think of a number. I add 4, then take away 9. Now I have 3. What number did I start with?
Answer: ______________
7I think of a number. I add 6, then take away 13. Now I have 4. What number did I start with?
Answer: ______________
8I think of a number. I add 3, then take away 10. Now I have 5. What number did I start with?
Answer: ______________
9I am more than 35 and less than 39, and I am odd. What number am I?
Answer: ______________
10The scale balances. How much does one 🍊 weigh?
Answer: ______________
11I think of a number. I add 3, then take away 10. Now I have 4. What number did I start with?
Answer: ______________
12The scale balances. How much does one 🍐 weigh?
Answer: ______________
Answer key: Challenge puzzles
- 1. 22
- 2. 11
- 3. 3
- 4. 6
- 5. 5
- 6. 8
- 7. 11
- 8. 12
- 9. 37
- 10. 5
- 11. 11
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1