Additive strategies video
The video demonstrates a range of intuitive, efficient strategies such as compensation and partitioning. Estimation and rounding are also highlighted before using a strategy to work out the answer.
Access the supporting teaching guide that provides suggestions to follow up video.
|Year 2, Year 3, Year 4
|Teaching strategies and pedagogical approaches
|Worked examples, Concrete Representational Abstract model
|Real world maths
|Strand and focus
|Addition and subtraction, Estimation
|AC: Mathematics (V9.0) content descriptions
Partition, rearrange, regroup and rename two- and three-digit numbers using standard and non-standard groupings; recognise the role of a zero digit in place value notation
Add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in calculations without a calculator
Develop efficient strategies and use appropriate digital tools for solving problems involving addition and subtraction, and multiplication and division where there is no remainder
Choose and use estimation and rounding to check and explain the reasonableness of calculations including the results of financial transactions
Additive strategies (P8)
Number and place value (P7)
Education Services Australia
© 2023 Commonwealth of Australia, unless otherwise indicated. Creative Commons BY 4.0, unless otherwise indicated.