Math 7 Unit 2 Addition and Subtraction Past Paper PDF

Common Assessment Math 7 Unit 2 – Part A Addition and Subtraction Directions: Find or select the best answer. Record your response on your answer sheet. 1. Select all the true statements. ⬜...

Common Assessment Math 7 Unit 2 – Part A Addition and Subtraction Directions: Find or select the best answer. Record your response on your answer sheet. 1. Select all the true statements. ⬜ A. 2. 3 + (− 2. 3) is equal to zero. ⬜ B. (− 3. 7) + (− 4. 1) is positive. ⬜ C. − 2. 6 − (− 12 4 ) is positive. ⬜ D. 5 2 + (− 2. 5) is negative ⬜ E. 72 − (− 100) is negative. 2. A heron is perched in a tree 50 feet above sea level. Directly below the heron, a pelican is flying 17 feet above sea level. Directly below the birds is a trout, swimming 23 feet below sea level. Select the true statement. A. The difference in height between the pelican and the heron is -33 feet. B. The difference in height between the pelican and the heron is 33 feet. C. The distance between the heights of the pelican and heron is -33 feet. D. The difference in height between the pelican and the trout is -40 feet. 3. Kelcy is scuba diving. He stops 14.3 meters below the surface to look at a fish, and then, he swims down 5.8 meters deeper to look at a reef. Finally, he swims up 3.2 meters. Laila incorrectly says the BEST approximation of Kelcy’s position relative to the ocean’s surface is 11 meters because 14 - 6 +3 = 11. Identify and correct Laila’s error. Explain or show your reasoning.  Common Assessment Math 7 Unit 2 – Part A Addition and Subtraction Directions: Find or select the best answer. Record your response on your answer sheet. 4. Let 𝑥 =− 11 and 𝑦 =− 11. 8 4 Which expression does not have a negative value? A. 𝑥+𝑦 B. 𝑥−𝑦 C. 𝑦+𝑥 D. 𝑦−𝑥 5. Kymani wants to place a picture frame in the center of a wall that is 14 ⅙ feet wide. The picture is 2 ⅔ feet wide. How many feet from each side of the wall must the frame be so that it is centered? A. 12 ⅓ B. 7⅙ C. 6⅔ D. 5¾  Common Assessment Math 7 Unit 2 – Part A Addition and Subtraction Directions: Find or select the best answer. Record your response on your answer sheet. 6. The graph below shows the relationship between the number of calories burned by William and the number of minutes he spends jogging. Based on the data, which of the following equations can be used to calculate the total calories William burns (y) if he jogs for (x) minutes? A. y = 15x B. y = 6x C. y = 20x D. y = 5x  Common Assessment Math 7 Unit 2 – Part A Addition and Subtraction Directions: Find or select the best answer. Record your response on your answer sheet. 7. The table shows transactions from five different bank accounts. Part A What is the old account balance in account 4? Show your work. Part B Explain what each of the numbers -10, -20, and -30 tells you about Account 5.  Common Assessment Math 7 Unit 2 – Part A Addition and Subtraction Directions: Find or select the best answer. Record your response on your answer sheet. 8. Which situation could the numeric expression -7 + 11 represent? A. An atom has a positive charge because it contains 7 electrons that each have a charge of -1 and 11 protons that each have a charge of +1. B. Janine sold 7 goldfish for a total of $11. Therefore, she made a profit of $4. C. At a bus stop, 7 people got on the bus and 11 people got off. This means that the number of passengers decreased by 4. D. The temperature dropped 7 degrees and then another 11 degrees. The temperature is now -18 degrees. 9. Identify the number or numbers that make each statement true. You may select one or both numbers for each statement. Select from the drop-down list to correctly complete the sentence. -3.7 + = a positive number -4.52 + = a negative number 10. Identify the number or numbers that make the statement true. Select all that apply. ⃞ + −8=0 ⬜ A. -8 ⬜ B. 8 ⬜ C. -(-8) ⬜ D. (-8) ⬜ E. 0