Arrays and Equal Groups

Front

What is an array?

Back

An array is a way to organize objects or numbers in rows and columns.

Tags

CCSS.3.OA.A.1

Front

How do you find the total number of items in an array?

Back

Multiply the number of rows by the number of items in each row.

Tags

CCSS.3.OA.A.1

Front

What does 2 x 3 mean?

Back

It means there are 2 groups of 3 items each, which equals 6 items in total.

Tags

CCSS.3.OA.A.1

Front

If you have 16 oranges and want to make 4 equal groups, how many oranges are in each group?

Back

4 oranges in each group.

Tags

CCSS.3.OA.A.3

Front

What is the result of 2 x 7?

Back

14.

Tags

CCSS.3.OA.C.7

Front

How can you represent 3 rows of 4 in an array?

Back

Draw 3 rows with 4 items in each row.

Tags

CCSS.2.OA.C.4

Front

What is the equation for finding equal groups?

Back

The equation is: Total items = Number of groups x Items per group.

Tags

CCSS.2.OA.C.3

Front

If you have 12 items and want to make 3 equal groups, how many items are in each group?

Back

4 items in each group.

Tags

CCSS.3.OA.A.3

Front

What does it mean to have equal groups?

Back

Equal groups means each group has the same number of items.

Tags

CCSS.2.OA.C.3

Front

How do you write the multiplication sentence for 4 groups of 5?

Back

4 x 5 = 20.

Tags

CCSS.3.OA.A.1