Arrays

Front

What is an array in mathematics?

Back

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

Tags

CCSS.3.OA.A.1

Front

What does the multiplication sentence 4 X 6 mean?

Back

It means there are 4 groups of 6 objects, which equals 24.

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 columns.

Tags

CCSS.3.OA.A.1

Front

What is the multiplication sentence for an array with 3 rows and 4 columns?

Back

3 X 4 = 12.

Tags

CCSS.3.OA.A.1

Front

If an array shows 2 rows of 4, what is the multiplication sentence?

Back

2 X 4 = 8.

Tags

CCSS.3.OA.A.1

Front

What does the multiplication sentence 3 X 3 equal?

Back

3 X 3 = 9.

Tags

CCSS.3.OA.C.7

Front

How can you check if your multiplication is correct?

Back

You can add the groups together to see if it matches the product.

Tags

CCSS.3.OA.A.1

Front

What is the product of 4 X 8?

Back

4 X 8 = 32.

Tags

CCSS.3.OA.C.7

Front

If you have 5 groups of 6, what is the multiplication sentence?

Back

5 X 6 = 30.

Tags

CCSS.3.OA.A.1

Front

What is the difference between rows and columns in an array?

Back

Rows go horizontally, while columns go vertically.

Tags

CCSS.3.OA.A.1