Arrays

Front

What is an array in mathematics?

Back

An array is a collection of items arranged in rows and columns.

Tags

CCSS.3.OA.A.1

Front

How can you represent multiplication using an array?

Back

You can represent multiplication by arranging objects in rows and columns, where the number of rows multiplied by the number of columns equals the total number of objects.

Tags

CCSS.3.OA.A.1

Front

What does the equation 12 ÷ 4 = 3 represent in terms of an array?

Back

It represents that there are 12 items divided into 4 equal groups, resulting in 3 items in each group.

Tags

CCSS.4.NBT.B.6

CCSS.5.NBT.B.6

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times, which is the same as multiplication.

Tags

CCSS.3.OA.A.1

Front

How can you find the total number of items in a rectangular array?

Back

Multiply the number of rows by the number of columns.

Tags

CCSS.3.OA.A.1

Front

What is the equation for a 4x4 array?

Back

4 x 4 = 16.

Tags

CCSS.3.OA.A.1

Front

If an array has 5 rows and 3 columns, how many total items are there?

Back

5 x 3 = 15.

Tags

CCSS.3.OA.A.1

Front

What does the equation 3 + 3 + 3 + 3 = 12 represent?

Back

It represents the total number of items in a 3x4 array using repeated addition.

Tags

CCSS.2.OA.C.4

Front

How can you check if your array is correct?

Back

You can count the total number of items or verify the multiplication equation.

Tags

CCSS.3.OA.A.1

Front

What is the relationship between division and arrays?

Back

Division can be seen as splitting an array into equal groups.

Tags

CCSS.3.OA.A.2