Arithmetic Grade Four
Lesson TEN: Subtraction Review
You will be doing yourself a big favor if you train yourself to become fast
and accurate at subtraction. The only way to become fast and accurate at doing
subtraction problems is to drill and practice doing subtraction problems. If you
practice enough subtraction will become automatic. You won't even have to think
about subtracting. This will save you a lot of time and energy when you are faced
with more complicated problems in higher grades (and even college).
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