1. Prerequisite Skills VOCABULARY CHECK ANSWER 24.5 in. 2 1. The area of the rectangle is ?. 2. The perimeter of the rectangle is ?. 3. The opposite of any number a is ?. Copy and complete the statement. ANSWER 21 in. ANSWER – a

2. Prerequisite Skills SKILL CHECK Perform the indicated operation. 5. 3 + (– 4) 7. 8 – (– 15) ANSWER – 15 ANSWER – 1 ANSWER 4 23 4. 5 (– 3) 6. –28 (–7)

3. Prerequisite Skills SKILL CHECK Find the area of the figure. 8. A square with side length 7 ft 9. A circle with radius 3 m ANSWER 49 ft 2 ANSWER about 28.3 m 2

4. Prerequisite Skills SKILL CHECK Write an expression to answer the question. 10. How much is a 15% tip on a restaurant bill of x dollars? 11. You have $15 and buy r raffle tickets for $.50 each. How much money do you have left? ANSWER 0.15x ANSWER 15 – 0.5r