Understanding multiplicative relationships: fractions and ratio
Why this, why now
This unit introduces the concept of multiplicative relationsihps, and connects fractions to the idea of ratios. Ratios are then explored in depth and used to solve contextual problems such as those involving exchange rates and general conversions.
Prior knowledge requirements
- Ardaydu waa inay yaqaanaan aasaaska maadada.
- Ardaydu waa inay awoodaan inay raacaan tilmaamo fudud.
Unit 9 / 10
Understanding multiplicative relationships: fractions and ratio
This unit introduces the concept of multiplicative relationsihps, and connects fractions to the idea of ratios. Ratios are then explored in depth and used to solve contextual problems such as those involving exchange rates and general conversions.
17 lessons- Checking and securing finding a fraction of a given amount
- Deepening understanding with fractions of a given amount
- Checking understanding of multiplicative relationships
- Expressing multiplicative relationships as ratios and fractions
- Expressing one number as a fraction of another
- Representing a multiplicative relationship
- Determining the part
- Describing exchange rates with ratio
- Problem solving with fractions and ratios
- Securing understanding of ratio as a multiplicative relationship
- Describing more conversions with ratio
- Determining the whole
- Multiplicative relationships in context
- Equivalent multiplicative relationships
- Multiplicative relationships
- Ratio language and notation
- Dividing a quantity into a given ratio