Year 8 Maths Flashcard 8

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is the simplest form of the ratio 20 weeks:14 days?

Back

10 weeks:7 days.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between numbers, even if the numbers themselves are different.

Front

What is the equivalent ratio of 12:20?

Back

3:5.

Front

How do you divide fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction.

Front

What is 2/5 ÷ 2/5?

Back

1.

Front

How do you compare fractions?

Back

To compare fractions, convert them to a common denominator or convert them to decimal form.

Front

Which is greater: 1/2 or 4/9?

Back

1/2 is greater than 4/9.

Front

How do you subtract fractions with different denominators?

Back

Find a common denominator, convert the fractions, and then subtract the numerators.