Grade 8 Videos
Grade 8 videos relate to two algebraic ideas:
- Growing, Growing, Growing: Exponential Relationships and Patterns with Exponents
- Say It with Symbols: Making Sense of Symbols
These videos were filmed in a Grade 8 class in the same school as the Grade 7 and Grade 6 videos.
From CMP2 Growing, Growing, Growing, Investigation 4: Exponential Decay and Investigation 5: Patterns with Exponents
Relates to
CMP3 Growing, Growing, Growing, Investigation 4: Exponential Decay and Investigation
5: Patterns with Exponents
CMP4 Growing, Growing, Growing, Investigation 3 Exponential Decay and Investigation 4 Patterns with Exponents
The segments for Investigation 3 cover 3 days of exploring exponential decay relationships. Prior to this, students have studied exponential growth relations over three investigations.
Exponential decay relationships are similar except the growth factor is less than one, which means that as the independent variable increases, the dependent variable decreases. Students work with verbal, tabular, graphical, and symbolic representations to develop their understanding of these relationships.
In Investigation 5, students develop rules for operation with exponents.
Topics
From CMP2 Investigation 1: Equivalent Expressions
Relates to:
CMP3 Say It with Symbols, Investigation 1: Making Sense of Symbols: Equivalent Expressions
CMP4 Say It with Symbols, Investigation 1: Making Sense of Symbols: Equivalent Expressions and Equations
The two big algebraic ideas in CMP are patterns of change and equivalence. In this Unit, equivalence moves to the forefront. Students explore different expressions written for the same situation and decide if they are equivalent and if so, what information each represents about the situation.
