# MODULE 2: MAFS.4.OA.1.2 - 2 Day Powerpoint Lesson with worksheets

Subject
Common Core Standards
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Presentation (Powerpoint) File

242 KB|17 pages
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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 comparison from additive comparison.

 Understand that a symbol represents an unknown variable in an equation.
 Distinguish when a word problem is asking to solve using a multiplicative or additive comparison.
 Distinguish the difference between multiplicative comparison (e.g., Maria has 9 stickers. Joe has 3 times as many stickers as Maria. How many stickers do they have altogether?) and additive comparison (e.g Maria has 9 stickers. Joe has 3 stickers. How many more stickers does Maria have?)
 Solve a word problem by creating an equation using a variable or symbol to represent the unknown number.
 Represent multiplicative comparisons in word problems using models, illustrations, and/or writing.
Total Pages
17 pages
N/A
Teaching Duration
2 days
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