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 Jim is 11 years old and Zack is 4 times older, how do you find Zack's age?

Back

Multiply Jim's age by 4: 11 x 4 = 44. Zack is 44 years old.

Front

Paul has 7 crayons. If Steven has 9 times as many crayons as Paul, how do you find the number of crayons Steven has?

Back

Multiply Paul's crayons by 9: 7 x 9 = 63. Steven has 63 crayons.

Front

Charlie has mastered 7 times as many facts as Landyn. If they have mastered a total of 64 facts, how do you find how many facts Charlie has solved?

Back

Let Landyn's facts be x. Then Charlie's facts are 7x. The equation is x + 7x = 64, which simplifies to 8x = 64. So, Charlie has 56 facts.

Front

Mrs. Jackson worked out for 48 minutes, which is 6 times as much as Ms. Rooney. How do you find how long Ms. Rooney worked out?

Back

Divide Mrs. Jackson's time by 6: 48 ÷ 6 = 8. Ms. Rooney worked out for 8 minutes.

Front

If Ms. Sanchez sends out 42 emails a week, which is 6 times as many as Mrs. Zamora, how do you find the number of emails Mrs. Zamora sends?

Back

Let n be the number of emails Mrs. Zamora sends. The equation is 6 x n = 42.

Front

What is the equation to find a number that is multiplied by 6 to equal 42?

Back

The equation is 6 x n = 42.

Front

If a number is 4 times another number, how do you express this relationship mathematically?

Back

If the smaller number is x, then the larger number is 4x.

Front

What does it mean if one quantity is '3 times as many' as another?

Back

It means that the first quantity is three times the value of the second quantity.

Front

How do you solve for a variable in a multiplication equation?

Back

To solve for a variable, divide both sides of the equation by the coefficient of the variable.