Rational Numbers – Solved Examples Example 1: Write the numerator of the following rational numbers. (i) (2/7) (ii) (-4/5) (iii) (-11/3) (iv) (-10/-17) (v) (13/-14) (vi) (9/8) (vii) (8/9) (viii) (29/4) (ix) (12/5) (x) (22/7) Solution: (i) Numerator of (2/7) is 2 (ii) Numerator of (-4/5) is -4 (iii) Numerator of (-11/3) is -11 (iv) […]

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 Solve One Digit Division Before beginning to learn one digit division, we shall become familiar with the different parts of division. Dividend – The number that have to be divided. Divisor – The number that the dividend, is being divide by.  Quotient – The result of the division. Remainder – The number we are left with after the division. Let’s […]

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Simple Interest Word Problems  Example 1: What is the simple interest and amount of $ 2000 at the rate of 8% per year for 2 1/2 years. Solution: Principal amount = P = $ 2000 Rate of interest per year = R = 8% Time for which it is borrowed = T = 2 1/2 year Thus, simple […]

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Percentage:  Solved Problems    When we solve different type of percentage problems then we solved examples on percentage, they will help us to understand problems easily. Now we will learn, the concept of percentage and  solve various real life examples on percentage. Example 1: In a village 35% are females, 50% males and remaining are children, find the […]

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Circle – Area – Formula and Problems with Solutions  Area of a circle is A = 𝝿r2 = 𝝿 (pi) x (radius)2 , where r is radius of the circle. or when we know the diameter A = (𝝿/4) x D2 when we know circumference A = c2/4𝝿 Let us now solve problems on area of a circle. (1) […]

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Congruent triangles Worksheet    Problems and Solutions Example : (1) In figure if AD = CD and AB =  CB. (i) Find the three pairs of equal parts in △ABD and △CBD. (ii) Is △ABD ≅ CBD ? Why or why not? (iii) Does BD bisect ∠ABC? give reason. Solution : (i) In △ABD and △CBD, three pairs of equal parts […]

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