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 8. Now I have 6. What number did I start with?
Answer: ______________
2I think of a number. I add 2, then take away 5. Now I have 8. What number did I start with?
Answer: ______________
3I think of a number. I add 3, then take away 2. Now I have 12. What number did I start with?
Answer: ______________
4I think of a number. I add 6, then take away 7. Now I have 1. What number did I start with?
Answer: ______________
5I think of a number. I add 2, then take away 5. Now I have 1. What number did I start with?
Answer: ______________
6I think of a number. I add 2, then take away 3. Now I have 1. What number did I start with?
Answer: ______________
7I am more than 47 and less than 51, and I am odd. What number am I?
Answer: ______________
8I think of a number. I add 4, then take away 1. Now I have 9. What number did I start with?
Answer: ______________
9The scale balances. How much does one 🍊 weigh?
Answer: ______________
10What comes next? 17, 27, 37, 47, ?
Answer: ______________
11I am more than 10 and less than 14, and I am even. What number am I?
Answer: ______________
12I think of a number. I add 3, then take away 5. Now I have 9. What number did I start with?
Answer: ______________
Answer key: Challenge puzzles
- 1. 8
- 2. 11
- 3. 11
- 4. 2
- 5. 4
- 6. 2
- 7. 49
- 8. 6
- 9. 3
- 10. 57
- 11. 12
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1