Multiplying by Tens: Arrays and Estimation Fun!

If there are 3 rows of apples with 10 apples in each row, how many apples are there in total?

• 30

• 25

• 20

• 15

A box contains 40 crayons. If you have 5 boxes, how many crayons do you have altogether?

• 150 crayons

• 100 crayons

• 250 crayons

• 200 crayons

There are 6 packs of stickers, and each pack has 20 stickers. How many stickers do you have in total?

• 120

• 140

• 80

• 100

A farmer has 4 fields, and each field has 30 plants. How many plants are there in all the fields?

• 150

• 120

• 90

• 100

If a book costs $10 and you want to buy 7 books, how much will it cost in total?

• $50

• $70

• $80

• $100

You have 8 bags of marbles, and each bag contains 50 marbles. How many marbles do you have altogether?

• 300

• 600

• 400

• 500

A school has 5 classrooms, and each classroom has 60 chairs. How many chairs are there in total?

• 300

• 240

• 360

• 180

If you buy 3 packs of gum and each pack has 40 pieces, how many pieces of gum do you have?

• 100

• 60

• 120

• 80

There are 9 tables in a restaurant, and each table can seat 10 people. How many people can the restaurant seat in total?

• 100

• 70

• 90

• 80

A toy store has 2 shelves, and each shelf holds 70 toys. How many toys are there on both shelves?

• 150

• 70

• 140

• 100