Additive and Multiplicative Comparison

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

• Additive Comparison

• Multiplicative Comparison

When you see the phrase “__ times as many” or “__ times 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 bar model shows the comparison 24 is 8 times as many as 3. Which equation is represented by the bar model?

​ (a)  

• 24-8=4

• 8x3=24

• 24 times as much as 3 is 8

• 24=3-8

Juan has 253 marbles. Ella has 38 more marbles than Juan. How many marbles does Ella have? Ella has _____ marbles.

Amy washed 7 dishes.  Brad washed 5 times as many dishes.  How many dishes did they wash altogher? 

• 35

• 42

• 12

• 2

Which model represents the problem 18 is 9 times as much as what number?

• 
• 
• 
• 

Jose has 8 crayons in his pencil box. Ashley has 4 times as many as Jose. How many crayons does Ashley have?

• 32

• 16

• 12

• 2