SUBTRACT:
1,356-1,172=?
One Way...Trade-First Method of Subraction
Another Way...Traditional Method of Subtraction
Yet another way...Partial-Differences Method of Subtraction
ADDITION:
3,164+5,791=?
One way...Traditional Method of Addition
Another way...Partial-Sums Method of Addition
One more way...Column-Addition Method of Addition
1 comment:
This helped me a lot
Super Cheese
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