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 digit goes in the box? 8☐ + 4 = 89
Answer: ______________
2I think of a number. I add 2, then take away 1. Now I have 4. What number did I start with?
Answer: ______________
3What digit goes in the box? 8☐ + 3 = 86
Answer: ______________
4What digit goes in the box? 6☐ + 3 = 68
Answer: ______________
5What digit goes in the box? 6☐ + 2 = 67
Answer: ______________
6I think of a number. I add 2, then take away 1. Now I have 11. What number did I start with?
Answer: ______________
7I am more than 35 and less than 39, and I am odd. What number am I?
Answer: ______________
8What digit goes in the box? 6☐ + 1 = 63
Answer: ______________
9I think of a number. I add 2, then take away 3. Now I have 1. What number did I start with?
Answer: ______________
10What digit goes in the box? 4☐ + 1 = 41
Answer: ______________
11What digit goes in the box? 8☐ + 3 = 83
Answer: ______________
12What digit goes in the box? 8☐ + 8 = 89
Answer: ______________
Answer key: Challenge puzzles
- 1. 5
- 2. 3
- 3. 3
- 4. 5
- 5. 5
- 6. 10
- 7. 37
- 8. 2
- 9. 2
- 10. 0
- 11. 0
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1