Chapter 3 Practice Test (3rd Grade Go Math)

Front

What is an array in math?

Back

An array is a way to organize objects in rows and columns. For example, 3 rows of 4 objects each can be shown as an array.

Front

How do you find the total cost of items?

Back

To find the total cost, multiply the number of items by the cost of each item. For example, if you buy 5 items at $4 each, the total cost is 5 x 4.

Front

What does the multiplication equation 6 x 4 = 4 x ____ mean?

Back

This equation shows the commutative property of multiplication, which states that changing the order of the factors does not change the product. The answer is 6.

Front

How can you represent a total number of items in jars?

Back

You can use multiplication to find the total. If there are 4 jars with 4 cookies each, the total is 4 x 4.

Front

If Sophia has 6 baskets with 2 pumpkins each, how do you find the total number of pumpkins?

Back

Multiply the number of baskets by the number of pumpkins in each basket: 6 x 2 = 12.

Front

What is the definition of multiplication?

Back

Multiplication is a mathematical operation that represents the total of adding a number to itself a certain number of times.

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the numbers in a multiplication problem does not change the product. For example, 3 x 4 = 4 x 3.

Front

What does it mean to put items into equal rows?

Back

Putting items into equal rows means arranging them so that each row has the same number of items. For example, 12 toys in 6 equal rows means each row has 2 toys.

Front

How do you solve a multiplication problem?

Back

To solve a multiplication problem, you can use repeated addition or memorize multiplication facts. For example, 3 x 4 can be thought of as 4 + 4 + 4.

Front

What is a multiplication equation?

Back

A multiplication equation shows the relationship between two numbers being multiplied and their product. For example, in 5 x 4 = 20, 5 and 4 are the factors, and 20 is the product.