1 / 26

Lesson 23 Rate of Change

Lesson 23 Rate of Change. Science – Grade 7 Week of March 17 – 28 Session # 5. Sample Test Questions Question 1. Victoria’s family drove 672 miles in 14 hours. What was the average rate of speed for the trip? A 50 mph B 48 mph C 45 mph D 42 mph. Question 2.

cana
Télécharger la présentation

Lesson 23 Rate of Change

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Lesson 23 Rate of Change Science – Grade 7 Week of March 17 – 28 Session # 5

  2. Sample Test QuestionsQuestion 1 Victoria’s family drove 672 miles in 14 hours. What was the average rate of speed for the trip? A 50 mph B 48 mph C 45 mph D 42 mph

  3. Question 2 At Kenneth’s school, tickets for a concert were sold at a rate of 40 tickets per half hour. How many tickets will be sold in 7 hours? A 280 B 470 C 560 D 740

  4. Pie Production

  5. Question 3 The graph shows the number of pies produced at a bakery as a function of time. What is the rate of pie production? A 10 pies per hr B 15 pies per hr C 30 pies per hr D 60 pies per hr

  6. Question 4 Clarissa made 18 gift baskets in 3 hours. How many gift baskets can she make in 5 hours? A 15 B 27 C 30 D 54

  7. Growth of Martha’s Plant H E I G H T I N C H E S

  8. Question 5 The graph shows the growth of a plant in Martha’s window box. What is the rate of growth of Martha’s plant? A ½ in per week B 1 in per week C 2 in per week D 5 in per week

  9. Question 6 Carla read 90 pages of her novel in 2 hours. How many pages can she read in 7 hours? A 45 B 315 C 520 D 630

  10. Question 7 Katrina rode a bus that traveled 17 miles every 20 minutes. The bus stayed at a constant speed for the entire trip. • Hour far does the bus travel in 1 hour? _____ • Haw far will the bus travel in 1 ½ hours? _____

  11. ANSWERS • B 48 MPH • C 560 • B 15 pies per hour • C 30 • B 1 inch per week • B 315 • A. 51 miles B. 76.5 miles

  12. Progress CheckQuestion 1 What are the next two numbers in this pattern? 1.2, 1.9, 2.6, 3.3, 4.0, … A 4.2, 4.9 B 4.7, 5.4 C 4.7, 5.7 D 5.2, 5.9

  13. Question 2 What is the missing number in this pattern? 60, 58, 56, 54, ___, 50, … A 59 B 53 C 52 D 51

  14. Question 3 Solve for x: 8x = 72 A 8 B 9 C 10 D 11

  15. Question 4 What is the solution of this equation? x – 8 = 55 A x = 42 B x = 47 C x = 58 D x = 63

  16. Question 5 Kimberly writes 6 pages every 2 hours. At this rate, how many pages can Kimberly write in 5 hours? A 4 B 8 C 12 D 15

  17. Question 6 Identify the mathematical expression that models this word expression. six less than the quotient of a number and four A 6 – n ÷ 4 B n/4 + 6 C n/4 – 6 D 6 – 4/n

  18. Question 7 Solve for J: 4J = 36 A 9 B 32 C 40 D 144

  19. Question 8 Mark wrote the pattern below. 10, 15, 20, 25, 30, ___, 40, … A What is the rule for this pattern? B What is the missing number in the pattern? C The seventh term in the pattern is 40. What are the eighth and ninth terms?

  20. Question 9 Kalmi wrote the following word expression: five less than a number is equal to seven A Write a mathematical sentence that models the word sentence above. (let n represent the number) B Solve Kalmi’s mathematical sentence. Show your work.

  21. Question 10 The graph shows the growth of Sayeed’s plant.

  22. 10. A How much does the plant grow in 1 week? 10. B How tall will the plant be after 10 weeks? Explain your reasoning.

  23. Answers • B 4.7, 5.4 • C 53 • B 9 • D x = 63 • D 15 • C n/4 – 6 • A 9

  24. Answers 8. A. Add 5 B. 35 C. 45, 50

  25. Answers 9.A. n – 5 = 7 B. n – 5 = 7 + 5 + 5 n = 12

  26. Answers 10. A. ½ cm 10.B. The plant will be over 5 cm tall after 10 weeks. The growth is ½ cm per week.

More Related