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Name _____________________ Per. _____ 7. Find two numbers that you could substitute Lesson 5: Negative Numbers & Absolute Value for x to make the statement true. Date _____________ Score _____________ Please show all work, as modeled in class. 1. The _______________ ___________ of an x < | 1| 1. ________ 2. _________ 8. Kristi has 6 dollars in her wallet. integer is its __________________ from zero on a number line. 2. The set of whole numbers and their opposites are called ________________. Which lettered arrow points to the amount Kristi has? 9. Yesterday, it was 22 degrees below zero in Fairbanks, Alaska. 3. The absolute value of a number is always ______________________. 4. Write an integer to represent each situation. Which arrow points closest to yesterday’s temperature in Fairbanks, Alaska? _____ a gain of 5 points 10. Order these numbers in ascending order. _____ a $1200 raise _____ a loss of 10 yards 0, 3, 5, 1 _____ 200 feet below sea level 5. Find the absolute values. 11. Order these numbers in descending order. _____ |42| _____|0| _____ |–8| 5 _____|− | 8 _____ |5 + 3| _____|−52 + 3| _____ |–2.5| _____|2½| 6. Write two numbers that would make the statement true. |−5| > _____ 1. ______ 2._______ 9, |7|, 3, |8| 12. Using points, place the rational numbers on the number line. LABEL each point. ¾, −½, −1¼, 2½ 13. Write the rational numbers as ratios of two integers. 18. Use the symbols > or < the make true sentences. a) ─3_____2 a) ─7 _____ b) 15 _____ c) .7 _____ d) .301 ______ e) 1½ _____ f) ─⅝ _______ 14. b) ─5_____─6 c) ─1_____1 19. Mrs. Acosta wants to buy two flag pins for each of the 168 band members for the Fourth of July parade. Pins cost $0.09 each. What is the best estimate of the cost of the pins? (Show all work.) a) $8 b) $20 c) $30 d) $50 20-21. The table below shows the record low temperatures for selected states. Place the temperatures in order from least to greatest. 15. 7.01 × 6.5 State Temp AZ 29 IL −36 NM 15 NY −12 OH −19 PA −32 RI −25 SC 10 _____, _____, _____, _____, _____,_____,_____, ____ Least 16. 5.46 0.12 = Using the data above, place the temperatures in the correct positions on the number line below. (LABEL each point!) ¯ 40 17. Round 0.08345 to the nearest hundredth. ____________________________ Greatest ⁻30 ⁻20 ⁻10 0 10 20 30