Arrays & 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

What does 3 x 3 mean in an array?

Back

It means there are 3 rows with 3 objects in each row, totaling 9 objects.

Tags

CCSS.3.OA.A.1

Front

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

Back

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

Tags

CCSS.3.OA.A.1

Front

What is repeated addition?

Back

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

Tags

CCSS.2.OA.C.4

Front

What multiplication sentence does 2 + 2 + 2 represent?

Back

It represents 3 x 2 = 6.

Tags

CCSS.3.OA.A.1

Front

What is a group in math?

Back

A group is a collection of objects that are considered together.

Tags

CCSS.1.NBT.A.1

Front

How can you show 5 groups of 3 using multiplication?

Back

You can show it as 5 x 3 = 15.

Tags

CCSS.3.OA.A.1

Front

What does it mean if there are 4 equal groups of 5?

Back

It means you can write it as 4 x 5 = 20.

Tags

CCSS.3.OA.A.1

Front

What is the relationship between arrays and multiplication?

Back

Arrays visually represent multiplication by showing groups of equal size.

Tags

CCSS.3.OA.A.1

Front

What is the total number of objects in a 4 x 3 array?

Back

The total is 12 objects.

Tags

CCSS.3.OA.A.1