Unit 2 Lesson 12 – Problem Solving with Proportional Relationships

Unit 2 Lesson 13 – Proportional Relationships

Unit 3 Lesson 14

  • What will you learn:
    • Add and subtract linear expressions
    • Combine like terms
    • Determine if two expressions are equivalent
    • Write equivalent expressions
  • Vocabulary
    • coefficient – a number that is a factor of a variable term
    • constant – a term that is a number only with no variable factors
    • evaluate – to find the value of an expression
    • factor – a number, variable, or expression that is part of a multiplication expression
    • term – a number, a variable or the product of a number and a variable
    • variable – a letter that stands for an unknown number
  • Games
  • Practice Quiz

Unit 3 Lesson 15

  • What you will learn:
    • Rewrite expressions in different forms
    • Use expression to find perimeter and area of triangles and rectangles
  • Vocabulary
    • equivalent expressions – expressions that have that same value for every possible value of the variable
    • adjacent – next to each other
    • dimension – a length in one direction. A figure may have one, two, or three dimensions
  • Practice Quiz

Unit 3 Lesson 16

Unit 3 Lesson 17

  • What you will learn:
    • Write and solve real-life inequalities
    • Graph and interpret the solution set of an inequality
  • Vocabulary
    • inequality – two unequal values that are compared using less than and greater than symbols
    • solution set – a group of possible values that make an equation or inequality true
    • determine – decide based on evidence
    • reverse – change something to its opposite
    • suppose – to think or imagine something is true
  • Games
  • Practice Quiz

Unit 4 Lesson 22

  • What you will learn:
    • Understand that a scale is a ratio
    • Compute actual lengths from a scale drawing
    • Compute actual areas from a scale drawing
    • Reproduce a scale drawing using a different scale
  • Vocabulary
    • scale drawing – a drawing that shows an object with its measurements in proportion to the actual
    • scale – a ratio that compares the measurements used in a scale drawing with the actual measurements
    • scale factor – a constant of proportionality
    • actual – true; existing in reality
    • constant of proportionality – the unit rate in a proportional relationship
    • correspond – to relate to or with something
    • typical – usual
  • Games
  • Practice Quiz

8th Grade Unit 3 Lesson 12

  • What you will learn
    • Understand that similar triangles have proportional side lengths
    • Use the slope and y-intercept to derive an equation for a linear function
  • Vocabulary
    • similar triangles – triangles that are scale drawings of one another – they have the same shape but may have a different size
    • slope – the ratio of the vertical change to the horizontal change
    • y-intercept – the y-coordinate of the point where a line crosses the y-axis
  • Games
  • Practice Quiz

8th Grade Unit 3 Lesson 13

8th Grade Unit 3 Lesson 14

  • What you will learn
    • Identify and provide examples of equations that have exactly one solution, infinitely many solutions or no solutions
  • Vocabulary
    • infinitely many – an unlimited number of
  • Games
  • Practice Quiz

Unit 2 Vocabulary Test