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 4, then take away 1. Now I have 15. What number did I start with?
Answer: ______________
2What comes next? 13, 18, 23, 28, ?
Answer: ______________
3What digit goes in the box? 7☐ + 9 = 79
Answer: ______________
4What digit goes in the box? 1☐ + 2 = 16
Answer: ______________
5What digit goes in the box? 6☐ + 5 = 67
Answer: ______________
6What digit goes in the box? 8☐ + 2 = 86
Answer: ______________
7What digit goes in the box? 2☐ + 7 = 29
Answer: ______________
8What digit goes in the box? 3☐ + 4 = 39
Answer: ______________
9What digit goes in the box? 7☐ + 1 = 74
Answer: ______________
10What digit goes in the box? 8☐ + 2 = 87
Answer: ______________
11What digit goes in the box? 5☐ + 3 = 57
Answer: ______________
12What digit goes in the box? 7☐ + 3 = 78
Answer: ______________
Answer key: Challenge puzzles
- 1. 12
- 2. 33
- 3. 0
- 4. 4
- 5. 2
- 6. 4
- 7. 2
- 8. 5
- 9. 3
- 10. 5
- 11. 4
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1