Q.1: Give expressions in the following cases:
a) 10 added to p
b) 5 multiplied by q
c) 8 subtracted from z
d) k added to 27
e) f divided by 6
f) 6 times z added to 6
g) j is multiplied by 6 and the result is then subtracted from 18
h) 13 added to 3m
Q.2: Which of the following are equations?
a) 2m – 3 = 7
b) 8 + 3 = 11
c) g – 5 > 3
d) 24/5 + m
e) 2k + 5 = 25
Q.3: Pick out the solutions from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation.
a) 3p = 21 ( 8, 9, 10, 7 )
b) 4 + l = 16 ( 10, 15, 20, 12 )
c) t/5 = 4 ( 21, 25, 20, 30 )
d) h – 6 = 21 ( 28, 5, 27, 23 )
e) 9x = 90 ( 100, 90, 80, 70 )
Q.4: Which of the following expressions are with numbers only?
a) 8 – 3
b) z + 3 = 8
c) 8 x 3 + 5
d) ( 5 – 3 ) x 8
e) 6 – 7x
Q.5: Identify the operations ( addition, subtraction, multiplication, division ) used in forming the following expressions:
a) d + 8
b) 8g
c) 9 – d
d) r/3
e) 10t
They really should have stopped when they merged the alphabet into the numerical world.
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