Division
Rates
Number tricks
Multiplying/Area
100

What is 3/7 ÷ 2/3?



9/14

100

7-133: Mel’s Grocery is selling three cans of soup for $5.  Use this information to complete the table below.  Then graph the relationship between the number of cans you could buy and the price.

10, 9, 27, 48

100

Write a variable expression for each situation: 

a. Pick a number and multiply it by 5

b. Pick a number and reduce it by 9

c. Pick a number, add 4 to it, and then multiply by 2

a. 5x

b. x-9

c. 2(x+4)

100

1 2/3 x 4 1/2

45/6 or 7 and 3/6

200

What is 14/5 ÷ 5/9?


126/25 or 5 and 1/25

200

Alex and Jordan are reading the same book.

  • Alex reads 15 pages in 20 minutes.

  • Jordan reads 35 pages in 40 minutes.

Who reads faster? 

Jordan is faster. 

200

7-136: Copy the chart on your paper.  Complete two trials by reading the algebraic expressions.  Write in the steps as well.

.

200

5-92 Find the area of the triangle. 


162 ft2

300
Amy has 10 pounds of vegetables for her party. She wants to put them in containers that hold 2/3 pounds of vegetables. How many containers does she need?

15 containers

300

If Jonette ran 15.6 miles in 3 hours, how many miles did she run each hour?

5.2 miles

300

7-137: When algebra tiles are grouped in sets, as shown below, they can be written in two different ways.  Write two equivalent expressions that represent these collections of algebra tiles. 

. 

300

2.53 x 7.2

18.216

400

Divide 7.25 ÷ 2.5 by first writing both numbers as mixed numbers and then choose a method to solve. 

7 and 25/100 divided by 2 and 5/10. Answer is 2.9

400

Sam and Fred are grading math tests.

  • Sam grades 14 tests in 20 minutes.

  • Fred grades 18 tests in 25 minutes.

If they both grade for the same amount of time, who works faster?

Fred is faster. 

400

7-96: On your paper, copy the chart below. Then complete two trials by reading the algebraic expressions.

. 

400

6-101 Find the area and perimeter of the algebra tile collection

2x+4

500

5.16 ÷ 2.4

2.15

500

Eva is saving money for a trip.  She is able to save $75 a week.  Her friend from Iceland, Annie, is also saving money.  Annie is able to save 9000 Kronas (Icelandic money) each week.  If $4 is equal to about 500 Kronas, who is saving at a greater rate?

Eva

500

Write two possible variable expressions for the following number trick:

  1. Pick a number.

  2. Multiply by 3.

  3. Add 5.

  4. Multiply by 2.

2(3x+5) or 6x+10

500

6-101 Find the area and perimeter of the algebra tile collection. 

4x + 6

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