Fun Two-Step Math: Arrays and Estimating Products

Lily has 3 bags of apples. Each bag has 10 apples. How many apples does she have in total? If she gives away 5 apples, how many does she have left?

• 30 apples

• 25 apples

• 15 apples

• 20 apples

Tom has 4 boxes of crayons. Each box contains 10 crayons. How many crayons does he have altogether? If he uses 8 crayons, how many are left?

• 32 crayons

• 20 crayons

• 36 crayons

• 24 crayons

A farmer has 2 fields. Each field has 6 rows of corn, and each row has 10 corn plants. How many corn plants are there in total? If he sells 10 plants, how many does he have now?

• 110

• 100

• 120

• 90

Sarah bought 5 packs of stickers. Each pack has 10 stickers. How many stickers does she have? If she gives 15 stickers to her friends, how many does she have left?

• 25 stickers

• 50 stickers

• 35 stickers

• 15 stickers

In a classroom, there are 7 tables. Each table has 10 chairs. How many chairs are there in total? If 20 chairs are taken away, how many chairs remain?

• 70

• 60

• 50

• 40

A baker made 6 trays of cookies. Each tray has 10 cookies. How many cookies did he make? If he sells 25 cookies, how many cookies does he have left?

• 35 cookies

• 40 cookies

• 50 cookies

• 30 cookies

There are 8 baskets of oranges. Each basket has 10 oranges. How many oranges are there in total? If 30 oranges are eaten, how many are left?

• 70

• 50

• 40

• 60

A toy store has 9 shelves. Each shelf holds 10 toys. How many toys are there in total? If 40 toys are sold, how many toys remain?

• 60

• 50

• 70

• 80

Emma has 4 jars of marbles. Each jar contains 10 marbles. How many marbles does she have altogether? If she loses 15 marbles, how many does she have now?

• 25

• 30

• 20

• 10

A gardener planted 5 rows of flowers. Each row has 10 flowers. How many flowers did he plant? If 20 flowers wilt, how many flowers are still healthy?

• 15

• 30

• 10

• 50