Printable worksheet ยท 3 of 4
Use a pattern to explain the sign - Paper 3
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
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Extend the product pattern n x (-9) through n = 2, 1, 0, -1, -2. Each decrease of 1 in n increases the product by 9. This explains why two negative factors give a positive product. Check division by multiplying quotient and divisor; a zero divisor is never allowed.
Worksheet preview
- Write the five products for n = 2, 1, 0, -1, -2 when the other factor is -9.
- Calculate (-5) x 9 and (-5) x (-9).
- Calculate 45 / (-9) and give a multiplication check.
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