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: ____________
1I am a 2-digit number. My tens digit is 3 more than my ones digit. My digits add up to 7. What number am I?
Answer: ______________
2Each box hides one digit. 6☐ + ☐2 = 87. What is the first number?
Answer: ______________
3Each box hides one digit. 2☐ + ☐9 = 52. What is the first number?
Answer: ______________
4Each box hides one digit. 6☐ + ☐5 = 90. What is the first number?
Answer: ______________
5Each box hides one digit. 2☐ + ☐4 = 56. What is the first number?
Answer: ______________
6Each box hides one digit. 5☐ + ☐0 = 79. What is the first number?
Answer: ______________
7Each box hides one digit. 3☐ + ☐8 = 57. What is the first number?
Answer: ______________
8Each box hides one digit. 4☐ + ☐6 = 57. What is the first number?
Answer: ______________
9Each box hides one digit. 1☐ + ☐2 = 49. What is the first number?
Answer: ______________
10Each box hides one digit. 3☐ + ☐4 = 69. What is the first number?
Answer: ______________
11Each box hides one digit. 5☐ + ☐1 = 78. What is the first number?
Answer: ______________
12Each box hides one digit. 1☐ + ☐2 = 45. What is the first number?
Answer: ______________
Answer key: Challenge puzzles
- 1. 52
- 2. 65
- 3. 23
- 4. 65
- 5. 22
- 6. 59
- 7. 39
- 8. 41
- 9. 17
- 10. 35
- 11. 57
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/challenge-2