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The Addition Strategies are closely linked to the Subtraction Strategies. A strong understanding in Addition will support children in developing their understanding of Subtraction.
Addition & Subtraction as Inverse Operations
Addition & Subtraction as Inverse Operations
This video explains what inverse operations are and how understanding this can support students' understanding in Addition and Subtraction
This video also explores the relationship between Addition and Subtraction. It shows how number sentences are related and demonstrates that if you understand one number sentence you can use this to help you solve 3 more.
Progression of Learning
Progression of Learning
This progression of learning shows a child's development in understanding of Subtraction. It demonstrates the sequence of learning of different skills and strategies.Â
This can be used to determine where your child is and what skill or strategy they should focus on next.
Subtraction Progression of LearningSubtraction Mental Computation Strategies
Subtraction Mental Computation Strategies
At St Peter Chanel we use specific mental computation strategies to assist us to solve subtraction problems in our head. This video gives a brief overview of these strategies.
Subtraction strategies overview video for familiesCount Back 1, 2, 3
Count Back 1, 2, 3
Count Back 1, 2, 3Count back Subtraction .mp4Elevator Race Instructions & Game boardCount Up to
Count Up to
Count Up ToSubtraction - Count up to .mp4Tens Facts
Tens Facts
The thinking for this strategy is very similar when comparing Tens Facts for Addition and Subtraction. The difference is evident when children explain their thinking. Addition thinking is expressed as '7 and 3 makes 10', while Subtraction thinking can be expressed as '10 take away 3 is 7' or '3 less than 10 is 7' or 'the difference between 10 and 3 is 7'.Â
Tens FactsSubtraction tens facts videoTens Fact FlashcardsSalute You Instructions (Tens Facts)Go Fish Instructions (Tens Facts)Tens Fact GamesSubtract Ten
Subtract Ten
Subtract TenSubtraction subtract ten video.mp4Criss CrossCriss Cross Board gameRace to 0 Instructions & Record SheetEXTENSION:
EXTENSION:
Target 0 is a game that extends the Subtract Ten strategy by applying this understanding to decimals.
Target 0 Instrcutions & Record SheetDoubles
Doubles
When applying this strategy to subtraction children are halving.
DoublesSubtraction doubles videoSalute You Instructions & Cards (Doubles Facts)Go Fish Instructions & Cards ( Doubles)Bridging Ten
Bridging Ten
Bridging TenSubtraction bridging ten video.mp4Written Subtraction Strategies for Subtracting Larger Numbers
Written Subtraction Strategies for Subtracting Larger Numbers
The Jump Strategy: using a Number line to solve Subtraction problems
The Jump Strategy: using a Number line to solve Subtraction problems
Using the Count Back Strategy
Using the Count Up to Strategy
Copy of Number line Subtraction - 4 digit, 5 digit & 3 decimal places.MOVSubtracting 4 digit numbers, 5 digit numbers and decimal numbers
The Split Strategy: using Partitioning to solve Subtraction problems
The Split Strategy: using Partitioning to solve Subtraction problems
Subtracting 2 digit numbers and 3 digit numbers
Copy of Partitioning Subtraction - 5 digit & 3 decimal places examplesSubtracting 5 digit numbers and decimal numbers
The Compensation Strategy
The Compensation Strategy
The Traditional Algorithm
The Traditional Algorithm
Copy of Algorithm Subtraction: 5 digit and 3 decimal places.MOVSubtracting 5 digit numbers and decimal numbers
Addition and Subtraction beyond Whole Numbers
Decimals (Subtraction section begins at 3 minutes and 15 seconds)
Integers: positive and negative numbers
Fractions
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