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? 5☐ + 5 = 56
Answer: ______________
2I think of a number. I add 3, then take away 4. Now I have 4. What number did I start with?
Answer: ______________
3What digit goes in the box? 4☐ + 2 = 47
Answer: ______________
4I think of a number. I add 5, then take away 6. Now I have 1. What number did I start with?
Answer: ______________
5What digit goes in the box? 1☐ + 4 = 14
Answer: ______________
6What digit goes in the box? 3☐ + 3 = 33
Answer: ______________
7What digit goes in the box? 4☐ + 2 = 42
Answer: ______________
8What digit goes in the box? 3☐ + 4 = 39
Answer: ______________
9What digit goes in the box? 7☐ + 6 = 78
Answer: ______________
10What digit goes in the box? 6☐ + 8 = 68
Answer: ______________
11What digit goes in the box? 4☐ + 5 = 48
Answer: ______________
12What digit goes in the box? 8☐ + 4 = 88
Answer: ______________
Answer key: Challenge puzzles
- 1. 1
- 2. 5
- 3. 5
- 4. 2
- 5. 0
- 6. 0
- 7. 0
- 8. 5
- 9. 2
- 10. 0
- 11. 3
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1