Grade 4 Multi-Step Math: Estimating Sums & Remainders

Lily has 45 apples. She gives 12 apples to her friend and then buys 20 more. How many apples does she have now? Estimate the total before calculating.

• 45

• 32

• 53

• 60

A bakery made 120 cookies. They sold 45 cookies in the morning and 30 in the afternoon. How many cookies are left? If they want to pack them in boxes of 10, how many boxes will they need?

• 4 boxes

• 5 boxes

• 3 boxes

• 6 boxes

Tom has 250 marbles. He loses 37 marbles and then finds 15 more. How many marbles does he have now? Estimate the difference before calculating.

• 228

• 215

• 237

• 250

A school has 300 pencils. If they distribute 75 pencils to each of the 4 classes, how many pencils will be left? What is the remainder when the pencils are divided among the classes?

• 300 pencils left, remainder is 75

• 150 pencils left, remainder is 0

• 0 pencils left, remainder is 0

• 25 pencils left, remainder is 25

Sarah read 120 pages of a book. If she reads 15 pages each day, how many days will it take her to finish the book? Estimate the number of days before calculating.

• 6 days

• 8 days

• 12 days

• 10 days

A farmer has 200 oranges. He sells 45 oranges at the market and then picks 60 more from his trees. How many oranges does he have now? If he wants to pack them in bags of 10, how many bags will he need?

• 25

• 30

• 20

• 22

In a toy store, there are 150 toys. If 60 toys are sold and 25 new toys are added, how many toys are in the store now? Estimate the total before calculating.

• 100

• 115

• 130

• 90

A library has 500 books. If 150 books are checked out and 75 new books are added, how many books are in the library now? If they want to arrange them in groups of 25, how many groups will they have?

• 450 books, 18 groups

• 500 books, 20 groups

• 400 books, 16 groups

• 425 books, 17 groups

A soccer team has 18 players. If 5 players are absent for a game, how many players are available? If they need at least 11 players to play, can they play the game?

• They can only play with 10 players.

• They have 13 players available.

• They need 12 players to play.

• Yes, they can play the game.

Emma has 90 stickers. She gives 25 stickers to her friend and then buys 40 more. How many stickers does she have now? Estimate the total before calculating.

• 95

• 130

• 75

• 105