Algebraic Expressions. Everyday Math Lesson 10.3. Lesson Objectives. I can identify and use patterns in tables to solve problems I can write algebraic expressions to model rules I can use variables to write number models that describe situations. Mental Math. 4 + 7 30 + 70 50 + 60
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Everyday Math Lesson 10.3
4 + 7 30 + 70 50 + 60
84 + 7 30 + 78 150 + 260
84 + 47 30 + 778 152 + 263
Joe and Maria are 5th graders. Joe is 2 inches taller than Maria. Make a table of 4 possible heights for Joe and Maria.
* The table of Maria and Joe’s height is similar to a “What’s My Rule?” table.
M + 2
M + 2
* These are called “Algebraic Equations” (number sentences that contain algebraic expressions)