Numerical Expressions Checkpoint

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operations (like addition, subtraction, multiplication, and division) but does not have an equal sign.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by performing the operations in the correct order.

Front

What is the order of operations?

Back

The order of operations is a set of rules that tells you the sequence to follow when evaluating an expression: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). This is often remembered by the acronym PEMDAS.

Front

Evaluate the expression: (2 × 7) × 5 = ?

Back

70

Front

Evaluate the expression: 2 × (3 + 3) = ?

Back

12

Front

Evaluate the expression: (8 × 3) × 2 = ?

Back

48

Front

Evaluate the expression: 4 × (3 + 8) = ?

Back

44

Front

Fill in the blank: _____ × 12 = 4 × 6

Back

2

Front

What is the result of multiplying a number by 1?

Back

The result is the number itself. This is known as the identity property of multiplication.

Front

What is the result of multiplying a number by 0?

Back

The result is always 0. This is known as the zero property of multiplication.