## Textbook 6.2 Numbers 4.c, 4.d, 8, and 11.

**4. c.**1/5 ÷ 2 =

Share 1/5 between 2 groups.

First you change the whole number into a fraction by putting it over 1. Then you multiply it by the reciprocal which in this case is 2/1 x 1/2 = 2/2 (a whole). What you do to the whole number, you also do it to the fraction, so 1/5 x 1/2 =

**1/10**which is the product.

**4.d.**5/6 ÷ 4 =

Share 5/6 between 4 groups.

First you change the whole number into a fraction by putting it over 1.Then you multiply it by the reciprocal which in this case is 4/1 x 1/4 = 4/4 (a whole). What you do to the while number you also do to the fraction, so 5/6 x 1/4 =

**5/24**which is the product.

**8.**The areas of Alberta, Manitoba and Saskatchewan are approximately equal. The sum of their areas are 1/5 of the area of Canada. Express the area of these provinces as the fraction of the area of Canada.

Share 1/5 between 3 groups. (The 3 provinces)

First you change the whole number into a fraction by putting it over 1. Then you multiply it by the reciprocal which in this case is 3/1 x 1/3 = 3/3 (a whole). What you do to the whole number you also do to the fraction, so 1/5 x 1/3 =

**1/15**which is the product.

**11.**Iqaluit has frost on about 3/4 of the days in a year. It has frost on five times as many days as Vancouver. On what fraction of the days of the year does Vancouver have frost?

Share 3/4 between 5 groups.

First you change the whole number into a fraction by putting it over 1. Then you multiply it by the reciprocal which in this case is 5/1 x 1/5 = 5/5 (a whole). What you do to the whole number you also do to the fraction, so 3/4 x 1/5 =

**3/20**which is the product.

### Fraction Test Corrections

In computer terminology, a bit is 1/8 of a byte. How many bits is in 16 bytes?

There are 128 bits in 16 bytes

5/6 groups of 1/2

5/6 x 1/2 = 5/12

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