#NumberAndAlgebra >[!info]- [Represents numbers B | NSW Curriculum Website](https://curriculum.nsw.edu.au/learning-areas/mathematics/mathematics-k-10-2022/content/stage-3/fa0a18f458) >- MA3-RN-01 applies an understanding of place value and the role of zero to represent the properties of numbers >- MA3-RN-02 compares and orders decimals up to 3 decimal places >- MA3-RN-03 determines percentages of quantities, and finds equivalent fractions and decimals for benchmark percentage values >[!abstract]- Prior Knowledge >- [[Represents Numbers A]] ## Whole numbers: Locate and represent integers on a number line - Recognise the location of negative whole numbers in relation to zero and place them on a number line - Use the term _integers_ to describe positive and negative whole numbers and zero - Interpret integers in everyday contexts - Recognise that negative whole numbers can result from subtraction (Reasons about quantity) ## Decimals and percentages: Make connections between benchmark fractions, decimals and percentages - Recognise that the symbol % means _percent_ and 100% is the whole amount - Recall commonly used equivalent percentages, decimals and fractions including $\frac{1}{2}$, $\frac{1}{4}$, and $\frac{3}{4}$  - Represent common percentages of quantities and lengths as fractions and decimals - Recognise that 10% is one-tenth of 100% and use this to find 10% of a quantity (Reasons about relations) ## Decimals and percentages: Determine percentage discounts of 10%, 25% and 50% - Equate 10% to dividing by 10, 25% to finding a quarter by dividing by 4, and 50% to finding half - Use mental strategies to estimate discounts of 10%, 25% and 50% - Calculate the sale price of an item after a discount of 10%, 25% and 50%