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Seventh Grade Weekly Homework Week 5 Name: Power Standards 6.2 Fractions, Decimals, Percent Date: September 6 TUESDAY Which of the following numbers are between 3 x 10-2 and 3 x 10-3? 0.0005 0.005 6.3 Integer Operations 6.7 Proportional Reasoning 6.16 Probability 6.17 Functional Relationships -48 - (- 6) 5.18,6.18 Equations WEDNESDAY THURSDAY A manufacturing machine on an assembly line makes a flawed product once every 83 times. What fraction of the products that come from the machine are flawed? Which of the following is not equivalent to 3⅛? 25/8 3.125 312.5% 31/8 255 ÷ (-3) - 14 Draw an illustration using counters to model 4(- 3). Earth’s atmosphere contains about 78% nitrogen and 21% oxygen, plus other gases. In a school classroom that contains 7500 kiloliters of air, about what quantity is oxygen? A nurse taking a patient’s pulse counts 18 beats in 15 seconds. What is the heart rate in beats per minute? You earn $56 walking your neighbor’s dog for 8 hours. Your friend earns $36 painting your neighbor’s fence for 4 hours. Are the pay rates equivalent? Explain. Heather randomly draws a straw from a box containing 7 white straws, 4 blue straws, 3 green straws, and 2 red straws. Then she replaces the straw and draws a straw again. What is the probability that she draws a red straw the first time and a blue straw the second time? A coin is flipped and a six sided number cube is tossed. What is the probability that a heads and a number 1 will appear? You have a red, blue, yellow, and green marble. You randomly choose one of the marbles. Without replacing the first marble. You choose a second marble. Use a tree diagram to find the total number of possible outcomes. For each output. Multiply the input by 4, then subtract 5. Describe how to find the 20th term of the sequence -4, -8, -12, -16, … Then find the 20th term. Make a table to represent the sequence described. An inchworm crawls 10 inches each minute. x y 5.7,6.8 Order of Operations, Algebraic Expressions 0.05 333 W. Dews 2 3 3 7 4 11 23 35 55 What is the value of the following expression? What is the value of 2(x/2)2 when x= -2. Simplify (7-4)3 + 8 ÷ 22 (23 ● ⅛ + 16)2 Joshua’s grandparents gave him $40 for his birthday. He uses it to buy 5 angelfish at a pet store. If he has $10 left over, how much did each angelfish cost? The indoor temperature is 72°F. About what is the temperature in degrees Celsius? F = 9/5C +32 What is the value of x in the equation below? 3x + 2 = -4 + 5x Write an equation and solve. 6.20 Inequalities 5.19,6.19 Number Properties 7 Mr. Jackson has $20 to spend on a taxi ride. The taxi company charges an initial fee of $2.50 and an additional fee of $2.00 for each mile driven. Write an inequality to model this situation. Which numbers could be part of the solution to the following inequality, -y + 3 < 10? Ron wants to solve the equation. 7(-x + 4) = 10 Show how Ron can apply the distributive property. Which property allows Maria to rewrite 20a -55 = 45 as 20a = 100? Graph the following inequality of a number line. x – 5 > 4 -5 -4 -3 -2 -1 0 1 2 3 4 5 0 3 5 -7 -13 -14 (5 ● 3) ● 9 = 5 ● (3● 9) is an example of which property?