8.3 Practice

Front

Evaluate the expression: 27 + 4.2 × 8 ÷ 0.2

Back

195

Front

Evaluate the expression: 41 − 9 + (8 × 2.3) − 15 + (2.1 × 4)

Back

43.8

Front

Evaluate the expression: [(0.2 × 8) + (2.5 × 3)] + 25

Back

34.1

Front

Calculate the exact value of (4.8×0.25)÷(1.2×0.5)

Back

2

Front

Four less than the sum of 7 and 3

Back

(7 + 3) - 4

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).

Front

What does it mean to evaluate an expression?

Back

To calculate the value of an expression by performing the operations in the correct order.

Front

What is a mathematical expression?

Back

A combination of numbers, variables, and operators (like +, -, ×, ÷) that represents a value.

Front

What is the sum of two numbers?

Back

The result of adding the two numbers together.

Front

What is the difference between two numbers?

Back

The result of subtracting one number from another.