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 2, then take away 3. Now I have 4. What number did I start with?
Answer: ______________
2I am more than 33 and less than 37, and I am odd. What number am I?
Answer: ______________
3What digit goes in the box? 7☐ + 9 = 79
Answer: ______________
4What digit goes in the box? 2☐ + 8 = 29
Answer: ______________
5What digit goes in the box? 3☐ + 3 = 35
Answer: ______________
6What digit goes in the box? 1☐ + 5 = 15
Answer: ______________
7What digit goes in the box? 4☐ + 9 = 49
Answer: ______________
8What digit goes in the box? 2☐ + 1 = 26
Answer: ______________
9What digit goes in the box? 3☐ + 2 = 32
Answer: ______________
10I think of a number. I add 6, then take away 16. Now I have 2. What number did I start with?
Answer: ______________
11I am more than 43 and less than 47, and I am odd. What number am I?
Answer: ______________
12What digit goes in the box? 7☐ + 8 = 79
Answer: ______________
Answer key: Challenge puzzles
- 1. 5
- 2. 35
- 3. 0
- 4. 1
- 5. 2
- 6. 0
- 7. 0
- 8. 5
- 9. 0
- 10. 12
- 11. 45
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1