A1 N Review 1-1/1-2

Front

Evaluate the expression if a=3 and b=4: 4b - 5a

Back

1

Front

Calculate the result of the expression: 8 ÷ 8 + 6 × 2

Back

13

Front

Evaluate the expression: 2ab if a=-3, b=5

Back

-30

Front

Simplify the expression: 2 + (9² - 4)

Back

79

Front

Simplify the following: -8 + (15 - 3) ÷ 4

Back

-5

Front

What is the order of operations in mathematics?

Back

PEMDAS (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction)

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 values for variables.

Front

What is the result of 9²?

Back

81

Front

What is the value of 6 × 2?

Back

12