πagarwalmath · 4th 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: ____________
1A farm has chickens and cows: 9 heads and 20 legs in all. How many chickens are there?
Answer: ______________
2A farm has chickens and cows: 3 heads and 8 legs in all. How many cows are there?
Answer: ______________
3A farm has chickens and cows: 13 heads and 38 legs in all. How many cows are there?
Answer: ______________
4A farm has chickens and cows: 9 heads and 30 legs in all. How many chickens are there?
Answer: ______________
5A farm has chickens and cows: 8 heads and 22 legs in all. How many chickens are there?
Answer: ______________
6A farm has chickens and cows: 14 heads and 44 legs in all. How many cows are there?
Answer: ______________
7A farm has chickens and cows: 14 heads and 40 legs in all. How many cows are there?
Answer: ______________
8A farm has chickens and cows: 11 heads and 28 legs in all. How many chickens are there?
Answer: ______________
9A farm has chickens and cows: 6 heads and 18 legs in all. How many cows are there?
Answer: ______________
10A farm has chickens and cows: 16 heads and 48 legs in all. How many cows are there?
Answer: ______________
11A farm has chickens and cows: 6 heads and 20 legs in all. How many chickens are there?
Answer: ______________
12A farm has chickens and cows: 8 heads and 22 legs in all. How many cows are there?
Answer: ______________
Answer key: Challenge puzzles
- 1. 8
- 2. 1
- 3. 6
- 4. 3
- 5. 5
- 6. 8
- 7. 6
- 8. 8
- 9. 3
- 10. 8
- 11. 2
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/4th-grade/challenge-4