Semester 1 Review Math 7 Test

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, the absolute value of -5 is 5.

Front

Solve: |I| - 9 + 33 = ?

Back

42

Front

What does '12 added to a number (p) times 8' represent mathematically?

Back

12 + 8p

Front

Which integer represents 'fifteen feet below sea-level'?

Back

-15

Front

Solve: (x + 10)(-2) = ?

Back

-2x - 20

Front

What is the definition of an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but not a fraction or decimal.

Front

What is the formula for finding the area of a rectangle?

Back

Area = length × width.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a number across a sum.

Front

What is a variable in mathematics?

Back

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

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers, variables, and operations without an equality sign, while an equation states that two expressions are equal.