Solving and Graphing One-Step Inequalities in Real Life

1. A store sells notebooks for $2 each. If you want to spend less than $20, how many notebooks can you buy? Solve the inequality and graph it on a number line.

• 9

• 15

• 10

• 8

2. Jenny has at least 15 marbles. If she gives away some marbles, how many does she have left? Write the inequality and solve it.

• More than 20 marbles left.

• At least 15 marbles left.

• Exactly 10 marbles left.

• Fewer than 15 marbles left.

3. A recipe requires at least 3 cups of flour. If you have 5 cups, how many cups can you use without going below the requirement? Write and solve the inequality.

• You must use exactly 4 cups of flour.

• You can use only 2 cups of flour.

• You can use between 3 and 5 cups of flour.

• You can use up to 6 cups of flour.

4. A concert hall can hold a maximum of 500 people. If 350 tickets have been sold, how many more can be sold? Write the inequality and graph it.

• 200

• 100

• 400

• 150

5. Tom needs to read more than 10 books this year. If he has read 4 books so far, how many more does he need to read? Write the inequality and solve it.

• More than 8 books

• More than 6 books

• Less than 6 books

• Exactly 6 books

6. A car can travel at a speed of at least 60 miles per hour. If it has already traveled 120 miles, how far can it travel without exceeding 180 miles? Write and solve the inequality.

• 60 miles

• 150 miles

• 90 miles

• 30 miles

7. A school has a limit of 200 students in a class. If there are currently 150 students enrolled, how many more can enroll? Write the inequality and graph it on a number line.

• 100

• 50

• 75

• 25

8. Sarah wants to save at least $100 for a new bike. If she currently has $40, how much more does she need to save? Write the inequality and solve it.

• 80

• 70

• 50

• 60

9. A box can hold no more than 30 toys. If there are already 18 toys in the box, how many more can be added? Write the inequality and graph it.

• 25

• 12

• 10

• 15

10. A gardener needs to plant more than 25 flowers. If he has already planted 10, how many more does he need to plant? Write the inequality and solve it.

• Less than 15 flowers

• Exactly 20 flowers

• More than 30 flowers

• More than 15 flowers