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Test Your Skills!
100

Kristen and Niko buy a canvas for their art studio.

2  3/4 ft width  x  3 1/9 ft length

Estimate the area:

Actual area:


Estimate the area: sq ft.

Actual area: 8 5/9 sq ft

100

2 1/10 x 3/5 ___  2 1/10

<,  >  or =

<

100

Marco weighs 80 pounds. His bones make up about 1/5 of his body weight. How much do his bones weigh?

80 x 1/5=

80/5=

16 lbs.

100

MODELS:

page 474 question 17

3 3/5

100

a) /8 x 5=

b) 3/5 x 8=

c) 5/3 x 8=

d) 6/8 x 5=

a) 15/8

b) 24/5

c) 40/3

d) 30/8

200

Members of a landscaping company built a retaining wall. They used brick to make the top 2/3 of the wall. 

length (long) 11 1/2 ft

HEIGHT (tall): 4 1/4 ft

What is the height of the brick portion of the wall?

Estimate the area of the whole retaining wall.

What is the height of the brick portion of the wall?

4 1/4 x 2/3=

17/4 x 2/3=

34/12= 2 5/6 ft.

Estimate the area of the whole retaining wall.

12 x 4= 48 sq ft. 

200

7 1/2 x 1 1/6 _____ 7 1/2

<, >  or =

>

200

A soccer coach gives each player 1/2 liter of water at halftime. If there are 11 players, how many literes does he need?


1/2 x 11=

11/2=

5  1/2 liters

200

MODEL

Page 467 question 2

6

200

Which of the following is equal to: 4/9 x 3/7?

a) 4 x 9/ 3 x 7

b) 4 x 7 /3 x 9 

c) 4 x 3/ 9 x 7

d) 9 x 4/ 15 x 11

c) 4 x 3/ 9 x 7

300

(5/12 + 1/6) x 5/6=

7/12 x 5/6=

35/72

300

Order this set of numbers from least to greatest:

3 1/5,  3 1/5 x 9/10,  3 1/5 x 1 1/2

3 1/5 x 9/10, 3 1/5, 3 1/5 x 1 1/2

300

John has 1 1/2 hours of homework each day from Monday through Thursday and 2 3/4 hours over the weekend. How much homework does John have in a week?


4 x  1  1/2 = 6

6 + 2  3/4=

8  3/4

300

MODEL:

Page 491 question 3

(remember to simplify)

1/4

300

Ted and his friends are rolling out fruit roll ups at lunch. Ted roll up was 4 in long. Noah rolled out her roll up and it was 2/5 as long as Teds. Kayden rolled out his roll up until it was 1 1/2 times as long as Ted's roll up. Meghan rolled out her fruit roll up and it was 7/7 as long as Teds roll up. 

Without completing the multiplication, whose fruit roll up was longer than Ted's? How can you tell?

Kayden's roll up was longer than Ted's. 

Since 1 1/2 is greater than 1, 4 x 1  1/2 is greater than 4. 

400

Eduardo runs 6 laps around the track at Lincoln Park School. Then he runs 3 1/2 miles to get home. How far will he run in all? Show your work.

** Each lap is 1/4 mile around the track.


(6 x 1/4) + 3 1/2=

6/4 + 7/2=

6/4 + 14/4= 20/4

5 miles

400

Put the following products in order from greatest to least, without multiplying.

3 1/8 x 1/8,  2/3 x 3 1/8,  3 1/8 x 3 1/8,  3 1/8 x 4/4


3 1/8 x 3 1/8,  3 1/8 x 4/4,  3 1/8 x 1/8

400

Ellie is buying new flooring for her kitchen and laundry room. She knows that the area of the kitchen is 132 square feet. The laundry room is 8 1/3 feet by 6  3/4 feet. What is the total area of the two rooms?

8 1/3 x 6 3/4=

25/3 x 27/4=

675/12=

56 1/4 

56 1/4 + 132= 

188 1/4 sq. ft.

400

MODEL

Page 515 question 6

8 1/18

400

Katsuro ran 3 1/6 miles each day for 7 days. How far did he run in all?

19/6 x 7/1

= 163/6

= 22 1/6 miles

500

Tyler's family rented 18 DVD's last month.

Of the DVD's 2/6 were HORROR movies. 

******

******

******

How many of the movies were HORROR movies?

If all the rest were COMEDIES, how many COMEDIES did they watch? (Use the model to help you)

6 were HOROR

12 were COMEDIES

500

Without multiplying, decide which symbol belongs in the box >, <, or =. EXPLAIN how you decided.

2 1/3 x 1/8 ____ 2 1/2

<

500

Mrs. Lin is sewing costumes for her grandchildren. She is making three lion costumes, one zebra costume, and two bear costumes. Fabric costs $7.49 per yard. How much fabric does Mrs. Lin need?

Bear costume= 2 1/4 yds.  

Lion costume= 1  2/3 yds, 

Zebra costume= 2 5/8 yds

Lion costume= 3 x 1 2/3 yds= 5

Bear costume= 2 x 2 1/4 yds= 4 1/2yds

Zebra=1 x 2 5/8

5 + 4 1/2 + 2 5/8= 

12 1/8 yds

500

MODEL:

page 503 question 2

4  1/2

500

Khadijah took a 68 question middle school entrance exam. She got 3/4 of the questions correct. How many questions did she get incorrect?

68/1 x 3/4= 204/4=51 questions correct

68-51= 17

17 questions incorrect


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