Representing Number
S3 Decimals and Percentages
Aligned to the NSW Syllabus for The Australian curriculum (https://educationstandards.nsw.edu.au/wps/portal/nesa/home)
- outcomes and content listed below
- outcomes and content listed below
Teachers and Caregivers are advised to review sites, before use, to assess suitability and to monitor advertising.
Soccer Shootout - funbrain
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Skittles Maths - Australian Curriculum
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Fractions Explained - coolmath
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Building Decimals - Place Value - topmarks
Decimals of the Carribean - mrnussbaum
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Ordering Decimals Game - softschools
Changing Fractions to Decimals - mathsplay
Place Value Pirates - mrnussbaum
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Hotel Decimalfornia - add/subtract decimals mrnussbaum
Fractions to Decimals - mathplayground
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Syllabus Outcomes
MAO-WM-01 Develops understanding and fluency in mathematics through exploring and connecting mathematical concepts, choosing and applying mathematical techniques to solve problems, and communicating their thinking and reasoning coherently and clearly
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
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
Content
Representing numbers using place value A
Decimals and percentages: Recognise that the place value system can be extended beyond hundredths
Decimals and percentages: Make connections between benchmark fractions, decimals and percentages
Decimals and percentages: Recognise that the place value system can be extended beyond hundredths
- Express thousandths as decimals
- Interpret decimal notation for thousandths
- Indicate the place value of digits in decimal numbers of up to 3 decimal places
- Use place value to partition decimals
- Compare and order decimal numbers of up to 3 decimal places
- Interpret zero digit(s) at the end of a decimal
- Compare the place value of digits by determining numbers that are 10 or 100 times the original decimal number as well as 1/10 or 1/100 times the original decimal numbers
- Approximate the size of decimals
- Place decimal numbers of up to 3 decimal places on a number line
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 1/ 2, 1/4, and 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)
- 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%
updated Feb 2023
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