Ratios, unit rates and percents with double number lines

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor (GCF).

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per'.

Front

How do you find a unit rate from a ratio?

Back

To find a unit rate, divide the first quantity by the second quantity to express it as a value per one unit.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first term is the numerator and the second term is the denominator.

Front

How do you express a ratio as a fraction?

Back

To express a ratio as a fraction, write the first quantity over the second quantity.

Front

What is a double number line?

Back

A double number line is a visual representation that shows two related quantities along two parallel lines, helping to compare ratios.

Front

How can you use a double number line to find equivalent ratios?

Back

You can use a double number line to find equivalent ratios by identifying points that align on both lines.

Front

What is the percent equivalent of a ratio?

Back

The percent equivalent of a ratio is found by dividing the part by the whole and multiplying by 100.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and multiply by 100.