4.OA.A.2 Multiplicative Comparison

Front

What is a multiplicative comparison?

Back

A multiplicative comparison is when you compare two quantities by showing how many times one quantity is as much as the other.

Front

If 36 is 9 times as many as 4, what equation represents this relationship?

Back

36 = 9 x 4

Front

How many ounces are in 3 pounds?

Back

There are 48 ounces in 3 pounds.

Front

George has 45 toy cars, which is 5 times as many as Martha. How can we find out how many toy cars Martha has?

Back

We can use the equation 5 x n = 45, where n is the number of toy cars Martha has.

Front

If Sarah added 13 pieces of wood to a pile and there are now 27 pieces, what equation can show how many pieces were in the pile before?

Back

The equation is w + 13 = 27, where w is the number of pieces already in the pile.

Front

What does it mean if there are 4 times as many mysteries as biographies?

Back

It means that for every biography, there are 4 mysteries.

Front

If 5 x n = 45, what is the value of n?

Back

n = 9.

Front

What is the equation to find out how many pieces of wood were already in the pile if Sarah added 13 pieces?

Back

w + 13 = 27.

Front

How do you convert pounds to ounces?

Back

Multiply the number of pounds by 16 to get the number of ounces.

Front

If there are 256 biographies and 1,024 mysteries, how can we express the relationship between them?

Back

There are 4 times as many mysteries as biographies.