Equal Groups and Arrays

Front

What is an equal group?

Back

An equal group is a set of items that are the same in number. For example, if you have 3 groups of 2 apples, each group has the same number of apples.

Tags

CCSS.2.OA.C.3

Front

What is an array?

Back

An array is a way to arrange objects in rows and columns. For example, 3 rows of 4 stars can be shown as: ★★★★ ★★★★ ★★★★.

Tags

CCSS.3.OA.A.1

Front

What does multiplication mean?

Back

Multiplication is a way to add equal groups together. For example, 3 x 4 means 3 groups of 4.

Tags

CCSS.3.OA.A.1

Front

What is the multiplication equation for 4 groups of 2?

Back

The multiplication equation is 4 x 2 = 8.

Tags

CCSS.3.OA.A.1

Front

How can you show 5 + 5 + 5 using multiplication?

Back

You can show it as 3 x 5 = 15.

Tags

CCSS.2.OA.C.3

Front

What is repeated addition?

Back

Repeated addition is adding the same number several times. For example, 4 + 4 + 4 is the same as 3 x 4.

Tags

CCSS.3.OA.A.1

Front

What is the equation for 3 groups of 5?

Back

The equation is 3 x 5 = 15.

Tags

CCSS.2.OA.C.3

Front

How do you find the total in an array?

Back

To find the total in an array, multiply the number of rows by the number of columns.

Tags

CCSS.3.OA.A.1

Front

What does 6 x 3 equal?

Back

6 x 3 equals 18.

Tags

CCSS.3.OA.C.7

Front

What is the relationship between arrays and multiplication?

Back

Arrays help visualize multiplication by showing equal groups in rows and columns.

Tags

CCSS.4.NBT.B.5