enVision Math, 4th Grade, Topic 2 Practice Test

Front

What is the area of a rectangle with a length of 9 and a width of 4?

Back

The area is 36 square units.

Front

How can you break apart the multiplication 4 X 8?

Back

You can break it apart as (2 X 8) + (2 X 8).

Front

If it takes 7 minutes to paint one section of a fence, how long will it take to paint 3 sections?

Back

It will take 21 minutes.

Front

What is a way to find the product of 7 X 8 using the distributive property?

Back

You can find it as (4 X 8) + (3 X 8).

Front

What pattern can you use to find 5 X 6?

Back

You can use the pattern: 5, 10, 15, 20, 25, 30.

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number.

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the factors does not change the product (e.g., 3 X 4 = 4 X 3).

Front

What is the associative property of multiplication?

Back

The associative property states that the way in which factors are grouped does not change the product (e.g., (2 X 3) X 4 = 2 X (3 X 4)).

Front

What is an array in mathematics?

Back

An array is a systematic arrangement of objects, usually in rows and columns, used to represent multiplication.

Front

What does it mean to 'break apart' a multiplication problem?

Back

Breaking apart a multiplication problem means to separate it into smaller, easier parts to solve.