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 6, then take away 5. Now I have 5. What number did I start with?
Answer: ______________
2I think of a number. I add 2, then take away 3. Now I have 6. What number did I start with?
Answer: ______________
3I am more than 41 and less than 45, and I am odd. What number am I?
Answer: ______________
4I think of a number. I add 4, then take away 5. Now I have 4. What number did I start with?
Answer: ______________
5I think of a number. I add 5, then take away 8. Now I have 3. What number did I start with?
Answer: ______________
6What comes next? 14, 16, 18, 20, ?
Answer: ______________
7The scale balances. How much does one 🍊 weigh?
Answer: ______________
8The scale balances. How much does one 🍐 weigh?
Answer: ______________
9I think of a number. I add 4, then take away 6. Now I have 7. What number did I start with?
Answer: ______________
10What comes next? 3, 8, 13, 18, ?
Answer: ______________
11I think of a number. I add 4, then take away 13. Now I have 3. What number did I start with?
Answer: ______________
12I think of a number. I add 4, then take away 2. Now I have 12. What number did I start with?
Answer: ______________
Answer key: Challenge puzzles
- 1. 4
- 2. 7
- 3. 43
- 4. 5
- 5. 6
- 6. 22
- 7. 2
- 8. 4
- 9. 9
- 10. 23
- 11. 12
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1