teaching resource

Compensation Strategy Teaching PowerPoint

  • Updated

    Updated:  19 Apr 2024

Teach your students to use the compensation strategy for addition with an interactive teaching slide deck.

  • Editable

    Editable:  Google Slides, PowerPoint

  • Pages

    Pages:  1 Page

  • Curriculum
  • Year

    Year:  3

Curriculum

  • VC2M3A01

    Recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences <ul> <li>partitioning numbers using materials, part-part-whole diagrams or bar models, and recording addition and subtraction facts for each representation, explaining how each fact is connected to the materials, diagrams or models (for example, 16 + 8 = 24, 24 − 8 = 16, 8 = 24 − 16)</li> <li>using the inverse relationship between addition and subtraction to find unknown values with a calculator or by counting on; for example, representing the problem ‘Peter had some money and then spent $375. Now he has $158 left. How much did Peter have to start with?’ as □ − $375 = $158 and solving the problem using $375 + $158 = $533; or solving 27 + □ = 63 using subtraction, □ = 63 – 27, or by counting on 27, 37, 47, 57, 60, 63, so add 3 tens and 6 ones, so □ = 36</li> <li>exploring Aboriginal and/or Torres Strait Islander Peoples’ stories and dances that show the connection between addition and subtraction, representing this as a number sentence and discussing how this conveys important information about balance in processes on Country/Place</li> </ul>

  • VC2M3A02

    Extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator <ul> <li>partitioning using materials and part-part-whole diagrams to develop subtraction facts related to addition facts, such as 8 + 7 = 15 therefore 15 − 7 = 8 and 15 − 8 = 7</li> <li>using partitioning to develop and record facts systematically (for example, ‘How many ways can 12 monkeys be spread among 2 trees?’, 12 = 12 + 0, 12 = 11 + 1, 12 = 10 + 2, 12 = 9 + 3, …), explaining how they know they have found all possible partitions</li> <li>understanding basic addition and related subtraction facts and using extensions to these facts; for example, 6 + 6 = 12, 16 + 6 = 22, 6 + 7 = 13, 16 + 7 = 23, and 60 + 60 = 120, 600 + 600 = 1200</li> </ul>  

  • Compensation Strategy Teaching PowerPoint teaching resource
teaching resource

Compensation Strategy Teaching PowerPoint

  • Updated

    Updated:  19 Apr 2024

Teach your students to use the compensation strategy for addition with an interactive teaching slide deck.

  • Editable

    Editable:  Google Slides, PowerPoint

  • Pages

    Pages:  1 Page

  • Curriculum
  • Year

    Year:  3

Teach your students to use the compensation strategy for addition with an interactive teaching slide deck.

What is the Compensation Strategy?

The compensation strategy, in the context of addition, is a mental maths technique that involves adjusting or compensating one number to make the addition process easier. This strategy is particularly useful when working with numbers that are close to a multiple of ten or a round number. The purpose of the compensation strategy is to simplify the addition problem by adjusting one of the numbers to create a more friendly or easier-to-calculate sum.

Adding Larger Numbers Just Got Easier!

This PowerPoint uses the skills necessary to apply the compensation strategy successfully when adding numbers mentally. The presentation includes worked-out examples of rounding off numbers to a ten, with gradual release towards independent work.

The interactive animations in this teaching slide deck lead you and your students through the process step-by-step.

Easily modify this teaching presentation to suit the abilities of your class by duplicating slides and changing the numbers used in the examples.

Download and Teach!

This resource requires no prep! Simply click download and you’re ready to teach! Use the dropdown arrow on the download button to select the Google Slides resource file.

Lindsey Phillips, a Teach Starter collaborator, contributed to this resource.

Curriculum

  • VC2M3A01

    Recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences <ul> <li>partitioning numbers using materials, part-part-whole diagrams or bar models, and recording addition and subtraction facts for each representation, explaining how each fact is connected to the materials, diagrams or models (for example, 16 + 8 = 24, 24 − 8 = 16, 8 = 24 − 16)</li> <li>using the inverse relationship between addition and subtraction to find unknown values with a calculator or by counting on; for example, representing the problem ‘Peter had some money and then spent $375. Now he has $158 left. How much did Peter have to start with?’ as □ − $375 = $158 and solving the problem using $375 + $158 = $533; or solving 27 + □ = 63 using subtraction, □ = 63 – 27, or by counting on 27, 37, 47, 57, 60, 63, so add 3 tens and 6 ones, so □ = 36</li> <li>exploring Aboriginal and/or Torres Strait Islander Peoples’ stories and dances that show the connection between addition and subtraction, representing this as a number sentence and discussing how this conveys important information about balance in processes on Country/Place</li> </ul>

  • VC2M3A02

    Extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator <ul> <li>partitioning using materials and part-part-whole diagrams to develop subtraction facts related to addition facts, such as 8 + 7 = 15 therefore 15 − 7 = 8 and 15 − 8 = 7</li> <li>using partitioning to develop and record facts systematically (for example, ‘How many ways can 12 monkeys be spread among 2 trees?’, 12 = 12 + 0, 12 = 11 + 1, 12 = 10 + 2, 12 = 9 + 3, …), explaining how they know they have found all possible partitions</li> <li>understanding basic addition and related subtraction facts and using extensions to these facts; for example, 6 + 6 = 12, 16 + 6 = 22, 6 + 7 = 13, 16 + 7 = 23, and 60 + 60 = 120, 600 + 600 = 1200</li> </ul>  

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Teach Starter Publishing

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