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Addition 1 - Sets of objects
Addition 2 - Dots
Addition 3 - Number lines single jumps
Addition 4 - Number lines bigger jumps
Addition 5 - Number lines bridging across multiples of 10
Addition 6 - Number lines using partitioning
Addition 7 - Number lines bridging
Addition 8 - Adding by partitioning
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Subtraction 1 - Crossing out
Subtraction 2 - Counting back on number line
Subtraction 3 - Bigger jumps on number line
Subtraction 4 - Count back multiple jumps
Subtraction 5 - Difference by counting on
Subtraction 6 - Difference by counting up
Subtraction 7 - Standard method
Subtraction 8 - Standard method with borrowing (decomposition)
Subtraction 9 - Dealing with decimals
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