Additive and Multiplicative Comparison

Multiplicative Comparison Review

What is a multiplicative comparison?

• means comparing two things or sets that need multiplication..

• For example, Sam has twice as many balloons as Sid has. who has 3

• 2 x 3=6 would be the equation

• two times as many as 3 is 6 (is the multiplicative compassion sentence)

Remember

• the word "is" means equal

• the symbol "x" means times as many as

• the equal sign can be in the front or at the end

• your sentence must match your equation exactly

For example

5x6= 30 would be written: five times as many as 6 is 30

30= 5x6 would be written: 30 is 5 times as many as 6

Multiple Choice

Which is the correct multiplicative comparison for 7 x 2= 14

• 14 equal 7 times as many as 2

• 7 times as many as 2 is 14.

• 2 is 7 times as many as 14

• 7 equals times as many is 14

Multiple Choice

Which is the correct multiplicative compassion for

64=8x8

• 64 equals 8 times as many as 8

• 8 times as many as 8 is 64

• 8 times as many as 8 equals 64

• 64 is 8 times as many as 8.

Tip

Read the problem correctly and make sure the words match exactly what the equation is showing from beginning to end.

Multiple Choice

Match the multiplicative comparison with the correct equation

9 times as many as 7 is 63

• 9+7= 63

• 7x9= 63

• 9 x 7=63

• 63=9x7

Multiple Choice

Match the multiplicative comparison with the correct equation

90=10x9

• 90 is 10 times as many as 9

• 10 is 9 times as many as 90

• 9 is 90 times as many as 10

• 90 is 9 times as many as 10

Open Ended

7 times as many 11 is 77. Write the multiplicative compassion?

Remember

"is" means =," x" means times as many as

Multiple Choice

Which multiplicative comparison is written correctly ?

• 2 times not as many 3 is 6

• 2 times a lot of 3 is six

• 2 times as much as 3 is six

• 2 times all of 3 equals 6

Poll

How well do you understand multiplicative compassions ?