Multiplication or Division??
Models, Models!!
Prime or Composite?
100

Mr. Aguilar has 24 boxes of pencils. Each box holds 235 pencils.  How many pencils does Mr. Aguilar have?

235 x 24 = 5,640

100


What equation does the model represent?

A.  0.06 x 0.02= 0.12

B. 0.6 x 0.2 = 0.12

C. 0.6 / 0.2 = 0.12

D. 60 x 20 = 0.12



B

100

32

Composite

200

A rectangular carpet has an area of 180 square feet.  If the width of the rectangle is 12 feet, find the length.

180/12= 15



200

C

200

19

Prime

300

Mrs. Gonzalez bought 48 candy bars to give her class for Halloween.  Each candy bar cost $2.49.  How much money did she spend on her darling students?

$2.49 x 48=  $119.52

300

What equation does this model represent?

0.4 x 0.8 = 0.32

300

7

Prime

400

Mrs. Peralta has 34.56 feet of border.  She needs divide it into 4 bulletin boards.  How many feet of boarder will each bulletin board use?

34.56/4 = 8.64

400

1.6/5 = 0.32

400

8

composite

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