June Exemplar Examination Memo 1.1 −3 √ √


1.3.1 Directly proportional because the ratio x 1.3.2 Neither


1.2.1 √ 1.2.2 3


√


______ 3 375 = √


2.1.1


______ 4 a 5 y = 22b y 4


88 a 2 b y 5


2.1.2 5xy z −2 2.2


______ 115x y 4 z = 1


__ 16


_ 8


1


___ 100 = 19


95 2.3.1 1 2 2.3.2 3 2 2.3.3 4 1


__ 5 − 4 1


__ 2 = 7


__ 3 × 1 4


__ 2 ÷ 3 3


__ 20


__ 5 − 9


__ 7 = 11


__ 4 = 9


= 6


__ 2


= 14 − 45 = 121


__ 5


3.1.1 x −2 × (xy)4 × y −3


_____________ x −1 y 4


= x 2 y = x 3


__ y 3


_____ x −1 y 4


(2)


___ 21


__ 2 × 4


___ 15


(2) [12]


______ 10 = − 31


___ 3 × 11


___ 7


(2)


___ 10


_____ a 3


_____ 23 y 3 z 3


Common fractions 5


Decimal fraction 0,3125


0,125 0,95


Percentage 31,25%


12,5% 95%


(3) (2)


Number ℕ0 No


___ 9


__ 16


3,45 −0, ˙


__ 6


6 2 345


_______ 53 361 = √


No No


No No


Yes ℤ


Yes No No


No No


Yes ℚ


Yes Yes Yes


Yes No


Yes


ℚ' No


No No


No


Yes No


ℝ


yes Yes Yes


Yes Yes


Yes


____________________ 3 × 3 × 3 × 5 × 5 × 5 = 3 × 5 = 15


______________________ 3 × 3 × 7 × 7 × 11 × 11 = 3 × 7 × 11 = 231


__ y is constant.


(6) (3)


(3) (2) (2)


[16] (1)


(2)


324 Section 4: Teaching Mathematics


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