- MA4-RAT-C-01 solves problems involving ratios and rates, and analyses distance–time graphs
📖 Prior Knowledge
| Content | Prerequisite relationships |
|---|---|
| Non-spatial Measure B | - Represent time intervals as decimals → Convert between decimal hours and hours–minutes–seconds |
| Fractions Decimals Percentages | - Find the highest common factor (HCF) → Simplify ratios |
| Algebraic Techniques | - Substitute values into algebraic expressions → Calculate distance, speed and time |
| Equations | - Solve one-step linear equations → Solve problems involving rates |
| Volume | - Convert between units of volume and capacity → Determine the best buy |
Recognise and simplify ratios.pdf
- Use ratios to compare 2 or more quantities measured in the same units
- Identify and express one part of a ratio as a fraction of the whole
- Simplify ratios
Solve problems involving ratios.pdf
- Apply the unitary method to solve ratio problems
- Divide a quantity in a given ratio
- Solve real-life problems involving ratios
Recognise and simplify rates.pdf
- Explain the differences between ratios and rates
- Represent given information as a simplified rate
- Convert between units for rates
Solve problems involving rates.pdf
- Solve a variety of real-life problems involving rates
- Examine financial applications of rates, such as best buys
Interpret and construct distance–time graphs from authentic data.pdf
- Interpret distance–time graphs made up of straight-line segments with a negative, zero or positive slope
- Calculate speeds for straight-line segments of given distance–time graphs
- Create distance–time graphs made up of straight-line segments