AC9M9M02 Year 9 Mathematics

This Content Descriptor from Year 9 Mathematics provides the specific knowledge and skills students should learn. Use it to plan lessons, create learning sequences, and design assessments that align with the Australian Curriculum v9.

solve problems involving very small and very large measurements, time scales and intervals expressed in scientific notation

Elaborations

• 1 representing very large and small real numbers in scientific notation, converting real numbers expressed in scientific notation into decimal form; for example, the approximate geological age of the earth is \(4.6\times 10^9\) years, the mass of a sugar molecule is \(5.68\times 10^{-21}\) grams
• 2 using knowledge of place value and applying exponent laws to operate with numbers expressed in scientific notation in applied contexts; for example, performing calculations involving extremely small numbers in scientific and other contexts
• 3 examining the degree of accuracy that different measurement instruments provide in a science laboratory, such as a measuring cylinder compared with a pipette, and recording data values to the correct degree of accuracy using appropriate scientific notation

Related Achievement Standards