Arrays

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 in an array?

Back

You can find the total by adding the numbers in each row or column.

Tags

CCSS.2.OA.C.4

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times, like 4 + 4 + 4.

Tags

CCSS.2.OA.C.4

Front

How can you write a repeated addition sentence for an array with 3 rows of 4?

Back

You can write it as 4 + 4 + 4 = 12.

Tags

CCSS.2.OA.C.4

Front

If an array has 2 rows of 3, what is the repeated addition?

Back

The repeated addition is 3 + 3 = 6.

Tags

CCSS.2.OA.C.4

Front

What does each row in an array represent?

Back

Each row represents a group of the same number.

Tags

CCSS.3.OA.A.1

Front

How many total items are in an array with 4 rows of 2?

Back

There are 8 items in total (2 + 2 + 2 + 2 = 8).

Tags

CCSS.2.OA.C.4

Front

What is the repeated addition for an array with 5 rows of 1?

Back

The repeated addition is 1 + 1 + 1 + 1 + 1 = 5.

Tags

CCSS.2.OA.C.4

Front

How do you count the number of rows in an array?

Back

You count how many horizontal lines of objects there are.

Tags

CCSS.2.OA.C.4

Front

If an array has 3 rows and each row has 4 items, how many items are there?

Back

There are 12 items in total (4 + 4 + 4 = 12).

Tags

CCSS.2.OA.C.4