Mathematics Videos (Primary/Secondary)

PRIMARY MATHEMATICS
Fraction Division Question
Albert had 5/6l of milk. He split it equally into cups. Each cup contained 1/12l of milk. How many cups did Albert use?

Fractions Word Problems
Albert bought a pizza. He cut it into 12 pieces. He ate 2 pieces and gave to his 2 brothers 3 slices each. What fraction of the pizza was left?

Fractions ‘Remainder’ Word Problems (Question 1)
John gave 3/8 of his money to his parents. He gave 1/10 of the remainder to his sister. What fraction of his money did he give his sister?

Fractions ‘Reminding’ Word Problems (Question 2)
There are 70 pages in a book. Halim read 49 pages on Sunday. He read 5/7 of the remaining pages on Monday. How many pages did Halim read on Monday?

Percentage Word Problems
There are 35 pupils in the class. 40% of the pupils are boys. How many boys are there in the class?

Percentage Word Problems
In a group of 80 children, 56 were girls. What is the percentage of boys?

Circle : Perimeter, Area; Semicircle and Quarter Circle

SECONDARY MATHEMATICS
Standard Form and Question
   Change 123.5 to standard form.   

Indices Rules and Example of ‘Simplifying Indices Question’
   Simplify (xy2)3 x (-3x2y)4

Question 1 : Indices Equation with a Power Variable
     Find a. 
     5 a+2 = 5 5 x 53

Question 2 : Indices Equation with a Power Variable
           Solve for z
              9z = 27