MATH 212 Study Guide - Midterm Guide: Ternary Numeral System, Divisibility Rule
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The first time takes 1 hour, 43 minutes, and 38 seconds. Draw a sketch to illustrate how to rewrite 2 1/4 as an improper fraction. Explain how your sketch shows the answer (one sentence). Write a word problem using the elevator model to illustrate the number sentence. Give the answer. c. draw a sketch that shows the problem and the answer. Draw sketches of base ten blocks to show each step in the process of calculating. Arnold says that 2 2/3 = 4/5, and he uses the diagram below to support his conclusion. Do not just state the correct way to convert. A student solves 112 45 using the following reasoning: "first you add 5 to both numbers to get 117 50, and then add 50 to both numbers to get 167 100, which gives a. Write an equation, using symbols correctly, to illustrate this student"s approach. b. What model of subtraction are they using? continued on other side.