MATHEMATICS PROBLEM SOLVER

It is a site for parents, students and teachers. This site can help O-LEVEL or GCSE secondary school students in mastering mathematics subject. It intends to involve the learners by making them follow up the examples before they can do questions on their own at the TRY THIS.... section. There are some videos, tests, quizzes and past examination questions. Learning the examples will ultimately give students the required confidence in solving various questions in mathematics.

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Wednesday, 6 September 2023

ALGEBRA K4

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    If 48 + 24 =56; Find a.             a   Solution   48 + 88 =56         a      88  = 56 - 48     a      88  =  ...

ALGEBRA K3

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  The sum of four consecutive numbers is 606. Find the 3rd number.   Solution   Let the numbers be as shown in the table below   1...

EXPONENTIALS K5

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  Simplify (7a) 2 + 31a 2 .     Solution   = (7a) 2 + 31a 2        = 7 2 .a 2 + 31a 2               Since (mn) 2 =m 2 . n 2 ...

EXPONENTIALS K4

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  Find x if 128 x = 0.125; find x.   Solution   128 x = 0.125   (2 7 ) x = 0.125          [since 128=2 7 ]   2 7x = 0.125            2 7...

SETS K2

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  In a certain school, 140 students take either Chemistry or physics. 160 take chemistry and 100 take both subjects. Find those who take phy...
Tuesday, 5 September 2023

VARIATION K3

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  x is directly proportional to y. x=32 while y=4. Find y when x is 152.   Solution   x ⍺ y x = ky   32 = k x 4   32 = 4...

EXPONENTIALS K3

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  If 8 10+2a = 32 a-2 ; find a Solution 8 10+2a  = 32 a-2  (2 3 ) 10+2a  = (2 5 ) a-2  2 30+6a = 2 5(a-2)  2 30+6a  = 2 5a-10...

QUADRATICS K1

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  What must be added to x 2  + 60x to make the expression a perfect square? Solution a=1, b=60,c=? b 2 = 4ac (60) 2 = 4 x 1 x c 3600 = 4c ...

LOGARITHMS K4

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  If log 3 (10x - 29)=4; find x.   Solution   log 3 (10x - 29)=4    (10x - 29)=3 4                                            ...

VARIATION K2

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  x is inversely proportional to y. x=12 while y=20. Find y when x is 15.   Solution   x ⍺ k      y   x = k      y   12...
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