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? 8, 10, 12, 14, ?
Answer: ______________
2I think of a number. I add 6, then take away 3. Now I have 10. What number did I start with?
Answer: ______________
3I think of a number. I add 3, then take away 4. Now I have 4. What number did I start with?
Answer: ______________
4I think of a number. I add 6, then take away 1. Now I have 8. What number did I start with?
Answer: ______________
5I think of a number. I add 3, then take away 6. Now I have 9. What number did I start with?
Answer: ______________
6I think of a number. I add 3, then take away 6. Now I have 2. What number did I start with?
Answer: ______________
7The scale balances. How much does one 🍌 weigh?
Answer: ______________
8I think of a number. I add 6, then take away 3. Now I have 14. What number did I start with?
Answer: ______________
9I think of a number. I add 4, then take away 5. Now I have 1. What number did I start with?
Answer: ______________
10I think of a number. I add 3, then take away 11. Now I have 4. What number did I start with?
Answer: ______________
11I think of a number. I add 2, then take away 4. Now I have 7. What number did I start with?
Answer: ______________
12I think of a number. I add 6, then take away 8. Now I have 9. What number did I start with?
Answer: ______________
Answer key: Challenge puzzles
- 1. 16
- 2. 7
- 3. 5
- 4. 3
- 5. 12
- 6. 5
- 7. 2
- 8. 11
- 9. 2
- 10. 12
- 11. 9
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1