Thursday, October 20, 2016

Day 40: Evaluate Algebraic Expressions / Generate Equivalent Expressions

Today, Mr. Giomini introduced and modeled Lesson 3.4: Write Algebraic Expressions. The focal point was for students to utilize their current level of understanding of mathematical language, such as the ones listed below, and translate them into algebraic expressions using numbers, variables, and operations.
  • more than a number / sum of
  • fewer than / less than / the difference
  • a number squared / a number cubed
  • times a quantity / the product of 
  • divided by / the quotient

Image result for translate word phrases into expressions

In Math 6(3/7°) and Math 6+, Mr. Giomini reviewed Lesson 3.5: Evaluate Algebraic Expressions with students by giving them three problems to begin class. Once answers were verified, Mr. Giomini introduced Lesson 3.6: Generate Equivalent Expressions.

Students spent time working with the distributive property as well as GCF to help with creating equivalent algebraic expressions. 

Lesson Objectives: The student will be able to...
  • evaluate expressions at specific values of their variables. (1°)
  • perform arithmetic operations. (1°)
  • write equivalent algebraic expressions. (2/3/7°)
  • identify equivalent algebraic expressions. (2/3/7°)
  • justify whether two expressions are equivalent. (2/3/7°)

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