Evaluate algebraic expressions

Front

Evaluate the expression using the values m = 7, r = 8, and t = 2: 3m – 5t

Back

11

Front

Evaluate if a = 2 and b = 8: 6 + 7b - 3a

Back

56

Front

Evaluate when a = 15: 2(a - 5) + 2

Back

22

Front

Write an algebraic expression for the word phrase: 12 more than (m) machines

Back

m + 12

Front

Evaluate the expression using the values m = 7, r = 8, and t = 2: 4m + t

Back

30

Front

What is an algebraic expression?

Back

A mathematical phrase that includes numbers, variables, and operation symbols.

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 a variable in algebra?

Back

A symbol, usually a letter, that represents an unknown value.

Front

What is the order of operations in mathematics?

Back

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

Front

How do you combine like terms in an expression?

Back

By adding or subtracting the coefficients of terms that have the same variable raised to the same power.