Multiplicative Comparisons:
Learning Objectives:
4.OA.1 Interpret a multiplication equation as a comparison, e.g., interpret 35=5x7 as a statement that is 35 is 5 times as many as 7 and 7 times as many as 5.
4.OA.2 Multiply or divide to solve word problems involving multiplicative comparison, e.g. by using drawings and equations with a symbol for the unknown number to represent the problem, distinguishing multiplicative comparisons from additive comparisons.
Essential Concepts & Vocabulary:
4.OA.1 Interpret a multiplication equation as a comparison, e.g., interpret 35=5x7 as a statement that is 35 is 5 times as many as 7 and 7 times as many as 5.
4.OA.2 Multiply or divide to solve word problems involving multiplicative comparison, e.g. by using drawings and equations with a symbol for the unknown number to represent the problem, distinguishing multiplicative comparisons from additive comparisons.
Essential Concepts & Vocabulary:
- compare, comparison, comparison statement, addition/subtraction, additive comparison (greater than, less than, difference), multiplication/division, multiplicative comparison (greater than, less than, times as many as), models-comparison bars, equation, unknown variable,
Songs & Videos:
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