- MA5-MAG-C-01 solves measurement problems by using scientific notation to represent numbers and rounding to a given number of significant figures
📖 Prior Knowledge
| Content | Prerequisite relationships |
|---|---|
| Represents Numbers A | - Approximate decimals to a given number of places → Round to significant figures |
| Multiplicative Relations B | - Multiply and divide decimals by powers of 10 → Express numbers in scientific notation |
| Fractions Decimals Percentages | - Find a percentage of a quantity → Calculate percentage error |
| Indices | - Apply index laws with numerical bases → Calculate with scientific notation |
| Indices A | - Apply negative-integer indices → Express numbers in scientific notation |
Identify and describe very small and very large measurements.pdf
- Identify and describe the meaning of common prefixes, such as milli, centi and kilo
- Establish the meaning of prefixes for very small or very large measurement units
Find absolute and percentage error.pdf
- Determine the precision of a measuring instrument by finding the smallest division on the instrument
- Find the absolute error of measuring instruments ()
- Calculate the percentage error of a given measurement by applying the formula:
Estimate and round numbers to a specified degree of accuracy.pdf
- Apply the language of estimation appropriately, including the terms rounding, approximate and level of accuracy
- Round numbers to a specified number of significant figures
- Examine the effect that truncating or rounding during calculations has on the accuracy of the results
Express numbers in scientific notation.pdf
- Recognise the need for notation to express very large or very small numbers
- Represent numbers using scientific notation in practical contexts
- Order numbers expressed in scientific notation
- Represent numbers expressed in scientific notation as a decimal
- Estimate the value of calculations involving scientific notation by applying knowledge of index laws
- Solve problems with calculations involving scientific notation using digital tools