Math Vocab & General Knowledge Review

Front

Find the mean of the following numbers: 28, 18, 19, 18, 17.

Back

The mean is 20.

Front

Round 6,178 to the nearest ten.

Back

6,180

Front

200 children attended the school play. Of the total attendance, 40% were boys. How many girls attended the school play?

Back

120 girls attended.

Front

What is a mathematical sentence that contains an equal sign?

Back

An equation.

Front

Round 1.823 to the nearest whole number.

Back

2.

Front

What is the mean?

Back

The average of a set of numbers, calculated by dividing the sum of the numbers by the count of numbers.

Front

What does it mean to round a number?

Back

To adjust the number to the nearest specified place value.

Front

What is 40% of 200?

Back

80.

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operators without an equal sign.

Front

What is the difference between an expression and an equation?

Back

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