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 2 rows and 4 columns?

Back

2 X 4 = 8.

Tags

CCSS.3.OA.A.1

Front

If an array has 5 rows and 9 columns, what is the multiplication sentence?

Back

5 X 9 = 45.

Tags

CCSS.3.OA.A.1

Front

What does the multiplication sentence 3 X 4 represent?

Back

It represents 3 groups of 4 objects, which equals 12.

Tags

CCSS.3.OA.A.1

Front

What is the result of 4 X 9?

Back

4 X 9 = 36.

Tags

CCSS.3.OA.C.7

Front

What is the difference between 4 X 6 and 5 X 6?

Back

4 X 6 = 24 and 5 X 6 = 30; 5 X 6 has one more group.

Tags

CCSS.3.OA.A.1

Front

What is a multiplication sentence?

Back

A multiplication sentence shows the relationship between groups of equal size.

Tags

CCSS.3.OA.A.1

Front

How can you check if your multiplication is correct?

Back

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

Tags

CCSS.3.OA.A.3