Math 7 Units 1 - 5 Review

Front

What is the expression for the total amount if h = 4, g = 40, and s = 2 in the equation 120h + 12g + 25s?

Back

1010

Front

If 2 tablets of iodine are needed to disinfect 1 quart of stream water, how many tablets are needed for 4 quarts?

Back

8 tablets

Front

How do you convert 4.3756 x 10^4 to standard form?

Back

43,756

Front

Solve the inequality: -n + 8 < 26. What is the solution for n?

Back

n > -18

Front

Express 10 x 10 x 10 x 10 x 10 as a power of 10.

Back

10^5

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

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

Back

Area = length × width.

Front

What is the definition of an inequality?

Back

A mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

Front

What does it mean to solve an equation?

Back

Finding the value(s) of the variable that make the equation true.

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) - PEMDAS.