7. There are x cookies in a jar. If each child gets 5 cookies, how many children can be served?
x /5
5. A book costs x pounds. If you buy 2 books, how much will you pay?
2x
14. A tree is x meters tall. It grows 2 meters every year. How tall will it be in 3 years?
x + 6
20. Sally has x pounds. She finds 8 more pounds. How much money does she have now?
x + 8
15. The length of a side of a square is x meters. What is the perimeter of the square?
4x
18. There are x students in a class. If 4 students leave, how many students are left?
x - 4
9. A rectangle has a length of x meters and a width of 2 meters. What is the perimeter of the rectangle?
2(x + 2)
8. Lisa has x stickers. She gives 3 stickers to her friend. How many stickers does she have left?
x - 3
11. Mary has x candies. She eats 4 and buys 3 more. How many candies does she have now?
x - 1
19. A field is x meters wide and 10 meters long. What is the area of the field?
10x
3. Sarah is x years old. Her brother is 2 years younger than Sarah. How old is her brother?
x - 2
13. John has x pounds. He spends 6 pounds. How much money does he have left?
x - 6
17. A bottle holds x liters of water. If you drink 3 liters, how much water is left?
x - 3
16. Peter has x apples. He gives away 5 and eats 2. How many apples does he have left?
x - 7
12. A packet of pens contains x pens. If you buy 3 packets, how many pens do you have?
3x
6. A ribbon is x meters long. If you cut 4 meters from the ribbon, how long is the remaining piece?
x - 4
2. A pencil costs x pence and a pen costs 3 times as much as a pencil. How much does the pen cost?
3x
1. Jenny has 5 more apples than Tom. If Tom has x apples, how many apples does Jenny have?
x + 5
4. Mark has x marbles. He buys 7 more marbles. How many marbles does he have now?
x + 7
10. Tom has x books. He buys 5 more books and gives away 2. How many books does he have now?
x + 3