Estimating Sums: Fun Two-Step Math Challenges for 3rd Grade

Lily has 15 apples. She gives 4 apples to her friend and then buys 6 more. How many apples does she have now?

• 17

• 20

• 12

• 10

Tom has 20 marbles. He loses 5 marbles and then finds 8 more. How many marbles does he have now?

• 25

• 23

• 18

• 15

A baker made 30 cookies. He sold 12 cookies and then baked 10 more. How many cookies does he have left?

• 32

• 28

• 22

• 18

Sarah has 25 stickers. She gives 10 stickers to her brother and then receives 5 more from a friend. How many stickers does she have now?

• 15

• 5

• 30

• 20

In a garden, there are 40 flowers. 15 flowers bloom and 10 wilt. How many flowers are still healthy?

• 20

• 35

• 25

• 30

A toy store had 50 toys. They sold 20 toys and then received a shipment of 15 new toys. How many toys are in the store now?

• 45

• 35

• 30

• 50

A library has 100 books. 30 books are checked out and 10 new books are added. How many books are in the library now?

• 70

• 100

• 80

• 90

Jake has 18 toy cars. He gives 6 to his cousin and then buys 4 more. How many toy cars does he have now?

• 16

• 10

• 20

• 12

Emma has 12 cupcakes. She eats 3 and then bakes 6 more. How many cupcakes does she have now?

• 15

• 12

• 9

• 18

A farmer has 60 chickens. 20 chickens are sold and 10 more are bought. How many chickens does the farmer have now?

• 40

• 30

• 50

• 70