5.OA.1-3 Review

Front

What expression tells how much Pauline still needs to save to buy a ring if she has saved $25 and the full price is n?

Back

n - 25

Front

Evaluate: [10 x (5 + 1)] + 5

Back

65

Front

If six friends each ordered an $8 meal and shared a $4 dessert, which expression represents this situation?

Back

(6 x 8) + 4

Front

How are the x-coordinates (0, 1, 2, 3, 4) and y-coordinates (0, 3, 6, 9, 12) related?

Back

The value of the y-coordinate is 3 times the value of the corresponding x-coordinate.

Front

What are the ordered pairs for the x-coordinates (0, 5, 10, 15, 20) and y-coordinates (0, 10, 20, 30, 40)?

Back

(0, 0), (5, 10), (10, 20), (15, 30), (20, 40)

Front

What is the definition of an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, x, ÷) that represents a value.

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting numbers for variables and performing the operations.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - often abbreviated as PEMDAS.

Front

What is a variable in mathematics?

Back

A variable is a symbol (often a letter) that represents an unknown value in an expression or equation.