Mastering Inequalities: Addition & Subtraction Challenges

1. Sarah has 15 apples. She wants to have more than 20 apples. How many more apples does she need?

• 8

• 10

• 6

• 4

2. A box can hold at least 30 toys. If there are currently 18 toys in the box, how many more toys can be added?

• 25

• 10

• 12

• 15

3. Tom read 25 pages of his book. He wants to read at least 40 pages by the end of the week. How many more pages does he need to read?

• 30 pages

• 10 pages

• 15 pages

• 20 pages

4. Lisa has 50 stickers. She gave away some stickers and now has less than 30. How many stickers could she have given away?

• 6 to 15

• 0 to 5

• 10 to 20

• 21 to 50

5. A school needs at least 100 volunteers for an event. If 75 volunteers have signed up, how many more are needed?

• 25

• 30

• 50

• 10

6. Mark has 60 marbles. He lost some marbles and now has more than 40. What is the maximum number of marbles he could have lost?

• 20

• 25

• 30

• 19

7. A recipe requires at least 2 cups of sugar. If you have 1 cup, how many more cups do you need to buy?

• 0 cups

• 1 cup

• 2 cups

• 3 cups

8. Jenny has 45 dollars. She wants to save more than 50 dollars. How much more money does she need to save?

• 10 dollars

• 6 dollars

• 20 dollars

• 15 dollars

9. A library has 200 books. If they donate some books and have less than 150 left, what is the maximum number of books they could have donated?

• 75

• 100

• 30

• 51

10. A farmer has 80 chickens. If he sells some and has more than 60 left, what is the maximum number of chickens he could have sold?

• 20

• 19

• 30

• 25