8
S Chapter 8: Variables and Equations Math Grade 7

Chapter 8: Variables and Equations Math Grade 7

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Page 1: Chapter 8: Variables and Equations Math Grade 7

S

Chapter 8: Variables and

EquationsMath Grade 7

Page 2: Chapter 8: Variables and Equations Math Grade 7

ThursdayJanuary 23rd

Mental math (2min)

Review (vocabulary)

Page 3: Chapter 8: Variables and Equations Math Grade 7

Algebraic expression: Set of letters and

numbers which are interconnected by sign

Variable(s): Letters that replace

numbers Term(s):

Each term is separated by the plus sign (+) or minus (-).

Like terms: Terms whose variables

are the same

Key WordsIn this equation: 3x2 + 2x + 3 + x, what are:

Constant(s): Single number

Coefficient(s): Number stuck beside a

letter Exponent(s):

The number of times a number is to be multiplied by itself

Page 4: Chapter 8: Variables and Equations Math Grade 7

Variables and Equations

Correct homework p. 233 #26-49 p.234 #10-27 p. 235 #1-21

8.5 Using Equations to solve Problems

Homework: p.239 #1-39 (only odd #)

Page 5: Chapter 8: Variables and Equations Math Grade 7

Friday: Problem SolvingJanuary 24th

Textbook p. 247 #1, 4, 8 et 11

Extension: Our school went whale watching. The cost was $8 per student and $10 per adult. The total cost for the whale-watching trip was $518 for 63 tickets. How many students went whale watching? How many adults?

Page 6: Chapter 8: Variables and Equations Math Grade 7

Tuesday, 4th February

Variables and Equations

Correct homework 8.5 Using Equations to solve Problems

2x + 3y – ( 4xy2 - 5y) +10 + 4 – (7x2y + y2x) Reduce the equation

Find the perimeter of both figures:

Practice/Homework: p.239 #1-39 (only odd #)

7s -2

13s +3

10t +1

4t -5

Page 7: Chapter 8: Variables and Equations Math Grade 7

Thursday, February 6th

Using Equations to solve Problems

Correction Homework : p.239 #1-39 (only odd #)

p. 240-241 (together)

Homework: Review p.244-p.245 (odd number only)

Algebra Exam Tuesday

Page 8: Chapter 8: Variables and Equations Math Grade 7

Review/Problem Solving

Questions homework??? Review??? -(3xy + 3 – 5yx) + 6y – 4xy3 – 3y3 +

7x3y - 1

p.247 #2, #6

Exam Tuesday