Review after Break!

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you determine if two ratios form a proportion?

Back

Two ratios form a proportion if the cross products are equal. For example, for ratios \( \frac{a}{b} \) and \( \frac{c}{d} \), they form a proportion if \( a \times d = b \times c \).

Front

What is the process for rounding a decimal to the nearest hundredth?

Back

To round to the nearest hundredth, look at the digit in the thousandths place. If it is 5 or greater, round up the hundredths place by one. If it is less than 5, keep the hundredths place the same.

Front

What is the value of 3.257 rounded to the nearest hundredth?

Back

3.26

Front

What does percent mean?

Back

Percent means 'per hundred' and is a way to express a number as a fraction of 100.

Front

What is the value of 47.941 rounded to the nearest tenth?

Back

47.9

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply and then isolate the variable. For example, if \( \frac{a}{b} = \frac{c}{d} \), then \( a \times d = b \times c \).

Front

What is the first step in solving the equation \( p = \frac{31.3}{8} \)?

Back

Multiply both sides by 8 to isolate p.

Front

What is the definition of rounding?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was.

Front

What is the nearest whole number to 3.257?

Back

3.