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? 7☐ + 2 = 75
Answer: ______________
2What comes next? 15, 25, 35, 45, ?
Answer: ______________
3What digit goes in the box? 8☐ + 2 = 87
Answer: ______________
4What digit goes in the box? 1☐ + 4 = 15
Answer: ______________
5What digit goes in the box? 3☐ + 1 = 34
Answer: ______________
6What digit goes in the box? 2☐ + 3 = 26
Answer: ______________
7I think of a number. I add 5, then take away 6. Now I have 9. What number did I start with?
Answer: ______________
8I think of a number. I add 3, then take away 9. Now I have 5. What number did I start with?
Answer: ______________
9What digit goes in the box? 1☐ + 1 = 13
Answer: ______________
10What digit goes in the box? 5☐ + 2 = 54
Answer: ______________
11What digit goes in the box? 8☐ + 3 = 87
Answer: ______________
12What digit goes in the box? 8☐ + 1 = 81
Answer: ______________
Answer key: Challenge puzzles
- 1. 3
- 2. 55
- 3. 5
- 4. 1
- 5. 3
- 6. 3
- 7. 10
- 8. 11
- 9. 2
- 10. 2
- 11. 4
- 12. 0
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1