Multiplicative Comparisons

Front

What is a multiplicative comparison?

Back

A multiplicative comparison is when we compare two quantities by using multiplication to show how many times one quantity is as much as another.

Front

If 3 x 6 = 18, what does '3 times as many as 6' mean?

Back

It means that if you have 6 and you take 3 groups of that amount, you will have 18.

Front

What equation represents 'The Jolly Green Giant is four times as tall as Jackson, who is 5 feet tall'?

Back

4 x 5 = 20, meaning the Giant is 20 feet tall.

Front

How do you find out how many times as many one number is compared to another?

Back

You divide the larger number by the smaller number.

Front

What is the multiplication sentence for 'There were 6 dogs at the park, later there were 10 times as many'?

Back

6 x 10 = 60, meaning there were 60 dogs later.

Front

If Jordan is 16 years old and is 2 times as old as April, how do you find April's age?

Back

You divide Jordan's age by 2: 16 ÷ 2 = 8, so April is 8 years old.

Front

What does '21 = 3 x 7' represent in a bar model?

Back

It shows that 21 is made up of 3 groups of 7.

Front

What is the first step to solve a multiplicative comparison problem?

Back

Identify the two quantities being compared and determine which one is the larger quantity.

Front

If a number is 4 times as much as another number, how can you express this mathematically?

Back

You can express it as: larger number = 4 x smaller number.

Front

What is the result of 5 x 4?

Back

The result is 20.