Essential Skills Manual - Automotive Service Technician

ESSENTIAL SKILLS NUMERACY AUTOMOTIVE SERVICE TECHNICIAN
INVENTORY NOC 7321
S-2

NAME:

DATE:

Calculate the following. You may use the percent circle.

1. What percent of $64.00 is a
   $6.00 discount?

_9.3%__

2. What is 5% of $95.00?

_$4.75__

P

% of W

X

3. If you lose two percent of your gas supply per day because of evaporation,
   how many litres do you lose each day from 3 tanks each holding 10,000
   litres?

__600 L___

Change to a percent:

4. ½” = 50% 5. ⅞” = _87.5%___

Change to a decimal:

6. ¾ ft. = _.75 ft. 7. ⅞” mi = _0.875 mi

Change to a fraction in its lowest terms:

8. .625 km = __5/8 km 9. .125 km = ^1 / 8 km


9. How many 0.001 inch long segments are in^1 / 64 inch? 15.625


10. You are using a wrist pin that is^5 / 8 ” in diameter. What is your micrometer
    reading for this measurement?
    0.6250


11. To what reading would you set a micrometer for^45 / 64 ”? Round your answer to
    the nearest 0.0001 inch.

__0.7031

Page 90

Automotive Service Technician

NOC 7321