Online worksheet ยท 3 of 4

Use a pattern to explain the sign - Online practice 3

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Extend the product pattern n x (-5) through n = 2, 1, 0, -1, -2. Each decrease of 1 in n increases the product by 5. This explains why two negative factors give a positive product. Check division by multiplying quotient and divisor; a zero divisor is never allowed.

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  1. Write the five products for n = 2, 1, 0, -1, -2 when the other factor is -5.
  2. Calculate (-8) x 5 and (-8) x (-5).
  3. Calculate 40 / (-5) and give a multiplication check.

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