Unit 8 - Flashcard 1

Front

3(m + n)
use m = 1, and n = 1

Back

6

Front

5 increased by a number

Back

5 + n

Front

j(j + k)
use j = 2 and k = 1

Back

6

Front

14 less than n

Back

n - 14

Front

6q + p
use p = 1, and q = 6

Back

37

Front

What is the distributive property?

Back

a(b + c) = ab + ac

Front

Define a variable in mathematics.

Back

A symbol used to represent an unknown value.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of an expression by substituting variables with numbers.

Front

What is the difference between an equation and an expression?

Back

An equation has an equal sign, while an expression does not.

Front

What is the order of operations?

Back

PEMDAS: Parentheses, Exponents, Multiplication and Division (left to right), Addition and Subtraction (left to right).