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 3, then take away 4. Now I have 1. What number did I start with?
Answer: ______________
2I think of a number. I add 5, then take away 3. Now I have 10. What number did I start with?
Answer: ______________
3What digit goes in the box? 6☐ + 3 = 67
Answer: ______________
4What digit goes in the box? 6☐ + 3 = 65
Answer: ______________
5What comes next? 14, 19, 24, 29, ?
Answer: ______________
6What digit goes in the box? 6☐ + 2 = 67
Answer: ______________
7What digit goes in the box? 7☐ + 3 = 78
Answer: ______________
8I think of a number. I add 2, then take away 6. Now I have 7. What number did I start with?
Answer: ______________
9What comes next? 14, 16, 18, 20, ?
Answer: ______________
10What digit goes in the box? 8☐ + 2 = 87
Answer: ______________
11What digit goes in the box? 3☐ + 1 = 33
Answer: ______________
12What digit goes in the box? 5☐ + 6 = 57
Answer: ______________
Answer key: Challenge puzzles
- 1. 2
- 2. 8
- 3. 4
- 4. 2
- 5. 34
- 6. 5
- 7. 5
- 8. 11
- 9. 22
- 10. 5
- 11. 2
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1