πagarwalmath · 2nd 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: ____________
1Each box hides one digit. 2☐ + ☐3 = 50. What is the first number?
Answer: ______________
2Each box hides one digit. 6☐ + ☐9 = 86. What is the first number?
Answer: ______________
3Each box hides one digit. 1☐ + ☐3 = 38. What is the first number?
Answer: ______________
4I am a 2-digit number. My tens digit is 1 more than my ones digit. My digits add up to 15. What number am I?
Answer: ______________
5Each box hides one digit. 2☐ + ☐5 = 62. What is the first number?
Answer: ______________
6Each box hides one digit. 5☐ + ☐0 = 65. What is the first number?
Answer: ______________
7Each box hides one digit. 2☐ + ☐1 = 54. What is the first number?
Answer: ______________
8Each box hides one digit. 1☐ + ☐7 = 36. What is the first number?
Answer: ______________
9Each box hides one digit. 5☐ + ☐7 = 87. What is the first number?
Answer: ______________
10Each box hides one digit. 2☐ + ☐3 = 54. What is the first number?
Answer: ______________
11Each box hides one digit. 4☐ + ☐0 = 57. What is the first number?
Answer: ______________
12I am a 2-digit number. My tens digit is 1 more than my ones digit. My digits add up to 3. What number am I?
Answer: ______________
Answer key: Challenge puzzles
- 1. 27
- 2. 67
- 3. 15
- 4. 87
- 5. 27
- 6. 55
- 7. 23
- 8. 19
- 9. 50
- 10. 21
- 11. 47
- 12. 21
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/challenge-2