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 5 more than my ones digit. My digits add up to 5. What number am I?
Answer: ______________
2Each box hides one digit. 5☐ + ☐6 = 74. What is the first number?
Answer: ______________
3Each box hides one digit. 1☐ + ☐4 = 26. What is the first number?
Answer: ______________
4Each box hides one digit. 2☐ + ☐6 = 59. What is the first number?
Answer: ______________
5Each box hides one digit. 5☐ + ☐8 = 85. What is the first number?
Answer: ______________
6Each box hides one digit. 5☐ + ☐2 = 67. What is the first number?
Answer: ______________
7Each box hides one digit. 1☐ + ☐2 = 29. What is the first number?
Answer: ______________
8Each box hides one digit. 2☐ + ☐2 = 51. What is the first number?
Answer: ______________
9Each box hides one digit. 4☐ + ☐2 = 58. What is the first number?
Answer: ______________
10Each box hides one digit. 6☐ + ☐4 = 90. What is the first number?
Answer: ______________
11Each box hides one digit. 6☐ + ☐0 = 91. What is the first number?
Answer: ______________
12Two numbers add up to 11. The bigger one is 3 more than the smaller one. What is the bigger number?
Answer: ______________
Answer key: Challenge puzzles
- 1. 50
- 2. 58
- 3. 12
- 4. 23
- 5. 57
- 6. 55
- 7. 17
- 8. 29
- 9. 46
- 10. 66
- 11. 61
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/challenge-2