1. 1. Take out a blank piece of paper and a pencil and a calculator (optional). 2. Label your paper 1-15 down the left-hand side. 3. You have 60s to complete each question. 4. At the end of this exercise, you will be given the answers to the questions. Give yourself a mark out of 15.

2. Question 1. Katzia framed a square photo with an area of 144cm 2 in a square frame with an area of 225cm 2. What is the width of the frame?

3. Question 2. Mark wants to put a fence around his square garden. His garden has an area of 64m 2. If fencing costs $8/m of perimeter, how much would it cost install his fence?

4. Question 3. Sarah and Callum designed a rectangular- based castle last week that measured 16cm x 30.25cm. Keeping the base area the same, Sarah redesigned the castle so that it now has a square base. What is the length of a side of her castle?

5. Question 4. The counsellors at Camp Wana-Leave want to store the flag pole in the storage room for the winter. The following are the dimensions of the storage room: 12.0 units long, 9.0 units wide and 8.0 units high. What is the longest flag pole that can be put in the storage room? (round to nearest tenth)

6. Question 5. Express 10 -6 as a fraction.

7. Question 6. Amanda is exactly 12 years old. Using scientific notation, show how many seconds Amanda has been living.

8. Question 7. Forestry workers estimate that there are approximately 2.4 x 10 6 beetles on a certain type of tree. If there are approximately 200 of the same type of tree in the forest, approximately how many beetles would be in the forest? (Illustrate your answer in Scientific Notation)

9. Question 8. If you start off with a population of 50 students, and then the student population doubles, what percentage increase did the student population grow by?

10. Question 9. Suppose there are 50 customers that regularly visit a certain store. If the customer base increased by 50%, what is the new number of customers that regularly frequent the store?

11. Question 10. A mole population increases from 100 to 300 moles living in a small area. What percentage increase is this?

13. Question 12. Out of 50 students surveyed, 15 knew who won the 2006 World Cup (Italy!). In a school of 300 students, approximately how many would know who had won the World Cup?

14. Question 13. Sooyoun is selling 256 chocolate bars to raise money for a trip. - She sold 25% of them to Dana. - Then she sold 25% of those remaining to Trina. - She sold 25% of those remaining after that to Matt. - Then, she sold 25% of those remaining to Makeyla. How many chocolate bars are left?

15. Question 14. Billy had been waiting until a golf club he wanted went on sale. Finally it happened and the sign read: “Golf club, regular $239.00, and now 25% off”. Determine what Billy had paid including the 15% sales tax.

16. Question 15. Sarah went to Big Betty's Burgers for lunch. She bought a lunch for her friend as well. The cost of the lunch was $20 and $3 tax was then added for a total of $23. What percentage was the tax?

17.  1. 1.5cm9. 75%  2.$25610. 200%  3.22cm11. B  4.17.5cm12. 90 students  5.1/1 000 00013. 81 bars  6.3.78 x 10 8 14. $206.14  7.4.8 x 10 8 15. 15%  8. 100%