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? 6☐ + 3 = 67
Answer: ______________
2What digit goes in the box? 4☐ + 2 = 44
Answer: ______________
3What digit goes in the box? 8☐ + 4 = 85
Answer: ______________
4What digit goes in the box? 5☐ + 3 = 57
Answer: ______________
5What digit goes in the box? 1☐ + 3 = 18
Answer: ______________
6I think of a number. I add 5, then take away 4. Now I have 7. What number did I start with?
Answer: ______________
7What digit goes in the box? 5☐ + 3 = 55
Answer: ______________
8What digit goes in the box? 6☐ + 7 = 69
Answer: ______________
9What digit goes in the box? 5☐ + 1 = 55
Answer: ______________
10What digit goes in the box? 2☐ + 1 = 24
Answer: ______________
11What digit goes in the box? 1☐ + 1 = 14
Answer: ______________
12What digit goes in the box? 1☐ + 7 = 19
Answer: ______________
Answer key: Challenge puzzles
- 1. 4
- 2. 2
- 3. 1
- 4. 4
- 5. 5
- 6. 6
- 7. 2
- 8. 2
- 9. 4
- 10. 3
- 11. 3
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1