Unformatted text preview: -Pictorial approach- fraction addition can be illustrated by rectangular area models, chopping vertically to show the first summand and horizontal to show the second. Pg. 140-Abstract approach- finding the lowest common multiple. Example 2.7 Common student error: Instructional counterexample Pg 142...
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- Spring '10
- Fractions, Elementary arithmetic, Divisor, improper fractions, approach- fraction addition