Ratios, Equivalent Ratios, and Ratio Tables SG

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they simplify to the same fraction.

Front

How can you write a ratio?

Back

You can write a ratio using the words 'to', a colon (:), or as a fraction.

Front

If the ratio of girls to boys is 3:8 and there are 48 boys, how many girls are there?

Back

18 girls.

Front

What is the value of C in the ratio table if the ratio is 4:12 and A is 16?

Back

C is 48.

Front

What is the first step to solve a missing value in a ratio table?

Back

Identify the relationship between the known values and the missing value.

Front

What is the purpose of a tape diagram in solving ratio problems?

Back

A tape diagram visually represents the parts of a ratio, helping to understand the relationship between quantities.

Front

If the ratio of cats to dogs is 2:5 and there are 10 cats, how many dogs are there?

Back

25 dogs.

Front

What is the formula to find an equivalent ratio?

Back

Multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the value of B if the ratio is 3:6 and A is 9?

Back

B is 18.