Additive or Multiplicative Comparison

Which is true for the model above?

• 27 = 3 x 9

• 27 = 3 + 9

• 27 is 3 times greater than 9

• 27 is 3 more than 9

Our class has recess for 15 minutes each day. The first graders have recess four times longer. How long do the first graders have recess?

• 19 minutes

• 20 minutes

• 60 minutes

• 45 minutes

When you see the phrase “__ times as many” or “__ times more” in a word problem, it is...

• Additive Comparison

• Multiplicative Comparison

When you see the phrase "__ more than" or "how many more" in a word problem, it is...

• Additive Comparison

• Multiplicative Comparison

Choose the method of comparison that best represents this word problem:

Jacob has four more pages of homework than his brother. His brother has 2 pages.

How many pages of homework does Jacob have?

• Additive Comparison

• Multiplicative Comparison

Choose the method of comparison that best represents this word problem:

Jacob has four times as many pages of homework as his brother. His brother has 2 pages.

How many pages of homework does Jacob have?

• Additive Comparison

• Multiplicative Comparison

The cost of a soda at the movies is $5. Popcorn costs 10 dollars more than soda.

How much does the popcorn cost?

• Additive Comparison

• Multiplicative Comparison

The cost of a soda at the movies is $5. Popcorn costs three times as much as that.

How much does the popcorn cost?

• Additive Comparison

• Multiplicative Comparison

Last year, Mrs. Love decorated her class with 12 paper hearts for Valentine’s Day. This year, she used 4 times as many hearts. How many paper hearts did Mrs. Love use to decorate her class this year?

• 3 hearts

• 48 hearts

• 58 hearts

• 60 hearts

The same value is added to each x-value to find the corresponding y-value

• Multiplicative 

• Additive Relationship

• 7

• No relationship