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MTH121 sec 3-1.3 Worksheet - Multiple Choice 1 Using the...

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Unformatted text preview: Multiple Choice: 1. Using the set model for the addition of whole numbers. which of the following pairs of sets could be used to show that 2 + 4 is 6? a. la. bl and lb. c. d. e] b. [2] and 14] c. ix. yl and Ix. y. 2. wt. d. [1. 3| and I2. 4. 6. 8t 2. Which of the following does not model division? at. There are n objects. You can place them in at equivalent piles. How many will be In each pile? b. There are to objects. You can place the objects in a rectangular array with m rows. How many columns are there? c. There are n objects. You can make at piles. How many objects will each pile you obtain? 3. Which of these isfaise? a. 3‘-35=39-3' b. 49:2‘ c. 5“+5’=5*"‘2 d. 43-63=(4-s)3 8h ort Answer: 4. Rewrite the following expression as an illustration of the commutative property 01' addition. Give two answers. [3 + 4] + 5 = 5. Which properties would you use to justify the steps of the computation below? 5637 + 43) - 5|t30 + 7) + 43] 5|30 + [7 + 43)] 5(30 + 50) 5 - 30 + 5 - 50 6. Using this addition table find (A - Bl - C. 7. What multiplication problem is represented below. How else could it be represented? 0 2 4 6 B 10 12 the quotient and remainder of 179 divided by i l on 8. Explain how a fifth grader could find key. What is the quotient and remainder? a calculator without using the division ._..._-_—_..-_. ”a 9. For each of the following arithmetic statements. write a “story problem“ that would be solved with the statement and approach given. a. 56 -— 37 Take away .13. 89 — 16 Missing addend c. 26 x 18 Rectangular an'ay umbers l to 20. What patterns do you observe In the 10. Make a table at squares for the :1 ing digit of 75°. last digits? Explain how you could use your observations to find the end 56'. and 37” without doing the multiplication completely. ...
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