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 comes next? 12, 14, 16, 18, ?
Answer: ______________
2I think of a number. I add 3, then take away 6. Now I have 4. What number did I start with?
Answer: ______________
3I think of a number. I add 4, then take away 5. Now I have 2. What number did I start with?
Answer: ______________
4I think of a number. I add 5, then take away 3. Now I have 10. What number did I start with?
Answer: ______________
5The scale balances. How much does one 🍊 weigh?
Answer: ______________
6I think of a number. I add 5, then take away 3. Now I have 6. What number did I start with?
Answer: ______________
7I am more than 44 and less than 48, and I am even. What number am I?
Answer: ______________
8I think of a number. I add 4, then take away 3. Now I have 5. What number did I start with?
Answer: ______________
9I think of a number. I add 5, then take away 6. Now I have 11. What number did I start with?
Answer: ______________
10I am more than 39 and less than 43, and I am odd. What number am I?
Answer: ______________
11I think of a number. I add 5, then take away 3. Now I have 11. What number did I start with?
Answer: ______________
12I think of a number. I add 3, then take away 9. Now I have 1. What number did I start with?
Answer: ______________
Answer key: Challenge puzzles
- 1. 20
- 2. 7
- 3. 3
- 4. 8
- 5. 4
- 6. 4
- 7. 46
- 8. 4
- 9. 12
- 10. 41
- 11. 9
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1