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 = 76
Answer: ______________
2I am more than 17 and less than 21, and I am odd. What number am I?
Answer: ______________
3What digit goes in the box? 1☐ + 4 = 18
Answer: ______________
4What digit goes in the box? 2☐ + 3 = 27
Answer: ______________
5What digit goes in the box? 4☐ + 2 = 47
Answer: ______________
6I think of a number. I add 3, then take away 4. Now I have 1. What number did I start with?
Answer: ______________
7What digit goes in the box? 2☐ + 6 = 28
Answer: ______________
8I am more than 16 and less than 20, and I am even. What number am I?
Answer: ______________
9What digit goes in the box? 2☐ + 4 = 26
Answer: ______________
10I think of a number. I add 2, then take away 5. Now I have 4. What number did I start with?
Answer: ______________
11What digit goes in the box? 4☐ + 7 = 49
Answer: ______________
12What digit goes in the box? 5☐ + 1 = 52
Answer: ______________
Answer key: Challenge puzzles
- 1. 4
- 2. 19
- 3. 4
- 4. 4
- 5. 5
- 6. 2
- 7. 2
- 8. 18
- 9. 2
- 10. 7
- 11. 2
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1