IM Unit 2 Equivalent Ratios

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different. For example, 1:2 and 2:4 are equivalent ratios.

Front

How do you find equivalent ratios?

Back

To find equivalent ratios, you can multiply or divide both terms of the ratio by the same non-zero number. For example, to find an equivalent ratio for 2:3, multiply both terms by 2 to get 4:6.

Front

What is the ratio of tenants to cars if there are 30 tenants and the ratio is 3:5?

Back

If the ratio of tenants to cars is 3:5 and there are 30 tenants, then there are 50 cars.

Front

If 3/4 = 9/x, what is the value of x?

Back

The value of x is 12.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions. For example, the ratio 2:3 can be written as the fraction 2/3.

Front

How can you represent a ratio using a diagram?

Back

You can represent a ratio using a bar model or a pie chart to visually show the relationship between the quantities.

Front

What is a triangular pyramid?

Back

A triangular pyramid is a three-dimensional shape with a triangular base and three triangular faces that meet at a point (the apex).

Front

If a recipe calls for 3 cups of flour for 1 batch, how much flour is needed for 2 batches?

Back

For 2 batches, you need 6 cups of flour.

Front

What is the first step to solve for an unknown in equivalent ratios?

Back

The first step is to set up a proportion that relates the known ratios to the unknown.

Front

What does it mean to simplify a ratio?

Back

To simplify a ratio means to reduce it to its simplest form by dividing both terms by their greatest common factor.