Lesson: Differentiate between Expressions and Equations

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Lesson Objective

SWBAT differentiate between expressions and equations. SWBAT define and identify variables, coefficients and terms.

Lesson Plan

 

Element/Time

Teacher

Do Now

(8:30 – 8:40)/(10:00 –10:10) 

·         Teacher walks around to greet students and check in with students about their do now and homework

HW Check

·         Teacher walks around to help/spot check student HW

Mental Math

(8:40 – 8:50) /(10:10 – 10:20)

·         Teacher reads and reveals a series of 6 problems – helping students to think of strategies to help students solve the problems

·         Teacher pulls sticks (cold call) to have students answer the questions

Mini Lesson

(8:50 – 9:25)/(10:20 – 10:55)

Opening:

·         Today we are starting a new unit called finding the unknown. 

·         Over the course of this unit we are going to focus on different number sentences that have an unknown value. 

·         Sometimes the unknown value can be figured out, sometimes you will be given the unknown value and will use it to evaluate an expression

·         Today we are going to focus on vocabulary that will help us to understand the work we will be doing for this unit.

Intro:

·         As you know, vocabulary is very important in mathematics.  It helps us to describe things and talk in a language so that we are all clear about what we are describing. 

·         Before we get started, I know that you all have been working on vocabulary and context clues.  Let’s see if we can read this article together and figure out what some of these terms means – have students work in pairs to discuss 

·         Discuss conclusions 

·         Provide students with actual definitions and refer to the reading. 

·         Demonstrate visually with bags for variables and cards for constants. 

·         Model identifying with symbols (written form)

·         Note the difference between equations and expressions with the students - equations have equal signs.  Equations are made up of two different expressions that are equal to each other.

Guided:

·         With students, mark up and equation/expression by identifying it’s parts.

·         Have students walk through marking up some of the examples in the notes as well.

 Independent:

·         Students will independently identify different parts of an equation or expression and identify expressions from equations. 

Closing: 

·         Discuss with students why it is important to have a common language.

·         Review what was learned that day, why it’s important for us to know this, and misconceptions one might have. 

Skills Time

(9:35- 9:50) /(11:05-11:25)

·         Hand back tests to students – share the positive results with them.

·         Hand back other graded work – allow students to make corrections while pull students that failed the test and review work with them. 

 

Lesson Resources

Notes Equations/Expressions  
3,679
CW Expressions and Equations   Classwork
2,240
HW Expressions Equations  
1,456
CW Expressions and Equations  
1,307
U8 L1 Finding the Unknown Expressions Equations  
1,540
U8.L1.Finding.the.Unknown.Expressions.Equations.docx  
1,029

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