Discovering Patterns with Arrays: Multiply by 9!

If there are 9 boxes and each box has 9 apples, how many apples are there in total?

• 45

• 81

• 72

• 90

A gardener plants 9 rows of flowers with 9 flowers in each row. How many flowers does the gardener plant?

• 72

• 90

• 100

• 81

In a classroom, there are 9 tables with 9 chairs at each table. How many chairs are there in total?

• 72

• 63

• 90

• 81

A baker makes 9 trays of cookies, and each tray has 9 cookies. How many cookies does the baker make?

• 63

• 81

• 90

• 72

If a pack of stickers has 9 sheets and each sheet has 9 stickers, how many stickers are there in total?

• 54

• 72

• 90

• 81

A toy store has 9 shelves, and each shelf holds 9 toys. How many toys are in the store?

• 72

• 90

• 81

• 100

There are 9 students in a group, and each student has 9 marbles. How many marbles do they have altogether?

• 72

• 90

• 45

• 81

A farmer has 9 fields, and each field has 9 rows of corn. How many rows of corn are there in total?

• 100

• 72

• 90

• 81

If a library has 9 sections and each section has 9 books, how many books are in the library?

• 72

• 90

• 100

• 81

A musician has 9 instruments, and each instrument has 9 strings. How many strings are there in total?

• 90

• 81

• 63

• 72