Represents Numbers B

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Represents numbers B | NSW Curriculum Website

• 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

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%