Real-Life Integer Challenges: Estimation & Operations

A store has 150 apples. If they sell 45 apples, how many apples are left?

• 120

• 150

• 105

• 95

A temperature dropped from 20 degrees to -5 degrees. What is the change in temperature?

• 15 degrees

• 30 degrees

• 10 degrees

• 25 degrees

You owe your friend $30. If you pay back $10, how much do you still owe?

• $15

• $30

• $20

• $10

A hiker climbs up a mountain 500 meters and then descends 200 meters. What is the hiker's final elevation change?

• 300 meters up

• 300 meters down

• 500 meters up

• 200 meters down

A bank account has a balance of $200. If you withdraw $75, what is the new balance?

• $100

• $125

• $250

• $175

A car travels 120 miles north and then 30 miles south. What is the total distance traveled?

• 90 miles

• 100 miles

• 150 miles

• 200 miles

A football team scored 28 points in the first half and lost 10 points due to penalties. What is their score now?

• 25

• 18

• 30

• 20

A factory produced 1,000 toys in January and 1,200 toys in February. How many toys were produced in total?

• 2,200

• 1,800

• 2,500

• 2,000

A student scored 85 on a test and then lost 5 points for a late submission. What is the final score?

• 80

• 82

• 90

• 75

A gardener planted 50 flowers but 15 died. How many flowers are still alive?

• 35

• 25

• 40

• 50