7/29/2019 Week 23 - HW.docx

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Week 23: Homework

To be completed by Friday, 1st March.

Task 1

Log on towww.mathletics.comand try to get onto the leader board!

Task 2

Log on to Acuity and complete any three lessons (and solve the problems) assigned to you.

Task 3

7. Calculate the area and perimeter of the polygon, ABCDEF, if it has vertices at the following

coordinate points: A (-2, 4), B (-2, 6), C (4, 6), D (4, -1), E (-4, -1), and F (-4, 4).

http://www.mathletics.com/http://www.mathletics.com/http://www.mathletics.com/http://www.mathletics.com/

7/29/2019 Week 23 - HW.docx

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Task 4

Match the measures that are equivalent.

1. 72.3 km A. 0.000723 km

2. 0.0723 m B. 72,300 m

3. 0.723 cm C. 7.23 cm4. 723 mm D. 7.23 mm

Complete the statement.

5. To convert from milliliters to ________, you divide by 1000.

6. To convert from grams to ________, you multiply by 100.

7. To convert from centimeters to ________, you divide by 100,000.

Complete the statement.

8. 2.56 g = ______ mg 9. 2614 m = ______ km 10. 0.56 L = ______ mL

11. 250,000 mg = ______ g 12. 18 m = ______ cm 13. 7.14 kg = _______ g

14. 394 cm = ____ m 15. 1.405 km = ____ m 16. 41,250 mL = ____ L

Complete the statement using >,

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Task 5

A mail-order CD company is advertising a sale. During the sale, CDs are $6.95 each and the shipping and

handling charge is only $5.25. How many CDs can you buy for $40?

Kathy earns $445 a week for 40 hours of work and $25 an hour for each hour over 40. How many hours did

Kathy work if she earned $570 in one week?

A wheelbarrow can carry at most 400 pounds. Write and solve an inequality to find the greatest number of 50-

pound bags of concrete that the wheelbarrow can carry.

A book store sells used paperbacks for $3.75 each. You receive a $2 discount if you spend at least $30 in the

store. Write and solve an inequality that represents the least number of paperbacks you must buy in order to

receive the discount.