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? 1☐ + 7 = 17
Answer: ______________
2What digit goes in the box? 1☐ + 2 = 13
Answer: ______________
3The scale balances. How much does one 🍓 weigh?
Answer: ______________
4What digit goes in the box? 8☐ + 2 = 83
Answer: ______________
5I think of a number. I add 4, then take away 2. Now I have 13. What number did I start with?
Answer: ______________
6The scale balances. How much does one 🍊 weigh?
Answer: ______________
7I think of a number. I add 3, then take away 11. Now I have 1. What number did I start with?
Answer: ______________
8I think of a number. I add 6, then take away 2. Now I have 6. What number did I start with?
Answer: ______________
9What digit goes in the box? 2☐ + 5 = 27
Answer: ______________
10What digit goes in the box? 7☐ + 6 = 77
Answer: ______________
11I think of a number. I add 3, then take away 1. Now I have 4. What number did I start with?
Answer: ______________
12What digit goes in the box? 8☐ + 5 = 86
Answer: ______________
Answer key: Challenge puzzles
- 1. 0
- 2. 1
- 3. 2
- 4. 1
- 5. 11
- 6. 5
- 7. 9
- 8. 2
- 9. 2
- 10. 1
- 11. 2
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1