Arrays and Equal Groups

Front

What is an array?

Back

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

Tags

CCSS.3.OA.A.1

Front

How many rows are in this array?

Back

Rows are the horizontal lines in an array.

Tags

CCSS.2.OA.C.4

Front

What does repeated addition mean?

Back

Repeated addition is adding the same number several times, like 2 + 2 + 2.

Tags

CCSS.2.OA.C.4

Front

How do you find the total in an array?

Back

Count the number of items in each row and multiply by the number of rows.

Tags

CCSS.3.OA.A.1

Front

What is a column in an array?

Back

A column is a vertical line of objects in an array.

Tags

CCSS.3.OA.A.1

Front

If there are 4 rows of 3 apples, how many apples are there in total?

Back

4 rows x 3 apples = 12 apples.

Tags

CCSS.2.OA.C.3

Front

What is the repeated addition for 3 rows of 4?

Back

4 + 4 + 4 = 12.

Tags

CCSS.2.OA.C.4

Front

How can you represent 5 + 5 + 5 using an array?

Back

You can make 3 rows of 5 objects each.

Tags

CCSS.2.OA.C.4

Front

What is the equation for 6 groups of 2?

Back

2 + 2 + 2 + 2 + 2 + 2 = 12.

Tags

CCSS.2.OA.C.3

Front

What does equal groups mean?

Back

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

Tags

CCSS.2.OA.C.3