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.

Additional details
Year level(s)	Year 2, Year 3, Year 4
Audience	Student
Purpose	Student task
Format	Video
Teaching strategies and pedagogical approaches	Worked examples, Concrete Representational Abstract model
Keywords	real world maths
Curriculum alignment
Strand and focus	Number
Topics	Addition and subtraction, Estimation
AC: Mathematics (V9.0) content descriptions	AC9M2N02 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 AC9M3N03 Add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in calculations without a calculator AC9M4N06 Develop efficient strategies and use appropriate digital tools for solving problems involving addition and subtraction, and multiplication and division where there is no remainder AC9M4N07 Choose and use estimation and rounding to check and explain the reasonableness of calculations including the results of financial transactions
Numeracy progression	Additive strategies (P8) Number and place value (P7)
Copyright details
Organisation	Education Services Australia
Copyright	© 2023 Commonwealth of Australia, unless otherwise indicated. Creative Commons BY 4.0, unless otherwise indicated.