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TUTORIAL TEST 1 (11 Feb)  : SOLUTIONS

1. EIGHT BILLION, ONE MILLION, TWO THOUSAND AND SIXTY FOUR POINT ZERO, ZERO, EIGHT, NINE

Or

EIGHT THOUSAND AND ONE MILLION, TWO THOUSAND AND SIXTY ……ETC.

1. –(14-19) = -(-5) = +5 ( Neg times Neg = Pos)

-12 + 5 - 25 + 21 – 17 :  Sum of  Pos. Numbers = 26

Sum of  Neg. Numbers = 54

Refer to CR, pp.81-82

1. -28 × -4 = 112
2. -13+60 = 47
3. -2 ( )

Is -2 ( )  = -2  ?

1. 2. 3. = = = Is = ?

1.       6
2. 3. = 0.5625 = 56.25%

Use the long or short division ALGORITHM to work this out (or any method which you know of, which does not involve the use of a CALCULATOR)

1.   2 -­­ 600+0.06 = -597.94 metres

NOTE: 1 metre = 0.001 km = 1000 mm = 100 cm

13. 14.   2 15. 16.   R0.26

Use the long MULTIPLICATION ALGORITHM to work this out (or any method which you know of, which does not involve the use of a CALCULATOR)

17. 18. 19 20. ©  DESMOND DESAI, DMD EDU-HOME, 2010

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