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: 8 heads and 20 legs in all. How many cows are there?
Answer: ______________
2A farm has chickens and cows: 5 heads and 14 legs in all. How many chickens are there?
Answer: ______________
3A farm has chickens and cows: 4 heads and 14 legs in all. How many chickens are there?
Answer: ______________
4The pattern keeps going: 8, 12, 16, 20, … What is number 20 in the pattern?
Answer: ______________
5The pattern keeps going: 6, 10, 14, 18, … What is number 15 in the pattern?
Answer: ______________
6The pattern keeps going: 5, 12, 19, 26, … What is number 20 in the pattern?
Answer: ______________
7A farm has chickens and cows: 11 heads and 32 legs in all. How many chickens are there?
Answer: ______________
8A farm has chickens and cows: 7 heads and 20 legs in all. How many cows are there?
Answer: ______________
9The pattern keeps going: 4, 8, 12, 16, … What is number 20 in the pattern?
Answer: ______________
10The pattern keeps going: 9, 16, 23, 30, … What is number 20 in the pattern?
Answer: ______________
11The pattern keeps going: 19, 25, 31, 37, … What is number 15 in the pattern?
Answer: ______________
12A farm has chickens and cows: 12 heads and 32 legs in all. How many chickens are there?
Answer: ______________
Answer key: Challenge puzzles
- 1. 2
- 2. 3
- 3. 1
- 4. 84
- 5. 62
- 6. 138
- 7. 6
- 8. 3
- 9. 80
- 10. 142
- 11. 103
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/4th-grade/challenge-4