Middle School Math Review

Front

What is the result of adding two positive numbers?

Back

The result will always be a positive number.

Front

Solve for y: y = 3x + 7; x = 6

Back

y = 25

Front

What is the sum of 2y and 6y?

Back

The sum is 8y.

Front

What is the result of 6m - 9m?

Back

The result is -3m.

Front

How can you express the total number of records Hector will have after one year if he starts with 49 and collects 3 each month?

Back

R = 49 + 3m, where m is the number of months.

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.