Big Idea Chapter 3 Review

Front

Increase two times r by 3

Back

2r + 3

Front

Simplify the expression 5(x + 3) - 4

Back

5x + 11

Front

Simplify the expression 3(2 + 4r) + 10

Back

12r + 16

Front

The sum of a number x and 12

Back

x + 12

Front

Distributive property example: 4(2x + 3)

Back

8x + 12

Front

What is the distributive property?

Back

a(b + c) = ab + ac

Front

Simplify: 2(3 + 4)

Back

14

Front

What is a variable in mathematics?

Back

A symbol used to represent a number that can change.

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form.

Front

What is the commutative property of addition?

Back

a + b = b + a