Estimating and Solving Multi-Step Math Problems

A bakery made 120 cookies. They sold 45 cookies in the morning and 30 in the afternoon. How many cookies are left? Estimate the number of cookies left before calculating.

• 60 cookies left

• 45 cookies left

• 30 cookies left

• 75 cookies left

A farmer has 250 apples. He gives 75 apples to a friend and then buys 40 more apples. How many apples does he have now? Use estimation to check your answer.

• 180

• 300

• 250

• 215

A school is planning a field trip. They need to rent 3 buses, each costing $150. If they also need to pay a $50 entrance fee for each of the 60 students, what is the total cost? Estimate the total cost first.

• $4000

• $3000

• $3450

• $2500

Lily has 48 stickers. She gives 12 stickers to each of her 3 friends. How many stickers does she have left? Use estimation to verify your answer.

• 0 stickers

• 36 stickers

• 12 stickers

• 24 stickers

A toy store has 200 toys. They sell 45 toys on Monday and 60 toys on Tuesday. If they receive a shipment of 100 new toys, how many toys do they have now? Estimate the total number of toys after the shipment.

• 150

• 210

• 180

• 195

A gardener plants 5 rows of flowers with 12 flowers in each row. If 10 flowers die, how many flowers are still alive? Use estimation to help with your calculations.

• 60

• 70

• 50

• 40

A book costs $15. If Sarah buys 4 books and pays with a $100 bill, how much change will she receive? Estimate the total cost of the books first.

• $60

• $40

• $50

• $25

A pizza shop sells 3 sizes of pizzas. A small pizza costs $8, a medium pizza costs $12, and a large pizza costs $16. If a family orders 2 large pizzas and 1 medium pizza, how much do they spend? Use estimation to check your answer.

• $36

• $44

• $40

• $48

A library has 1,500 books. If they donate 250 books and then receive a donation of 300 books, how many books do they have now? Estimate the final number of books before calculating.

• 1550

• 1500

• 1800

• 1300

A sports team has 25 players. If 10 players are injured and 5 players are on vacation, how many players are available for the game? Use estimation to help with your answer.

• 15 players

• 20 players

• 5 players

• 10 players