Maths By SK

1. Write the fractions. Are all these fractions equivalent? Solutions: (a) (i) The shaded portion is \(\dfrac{1}{2}\). (ii) The shaded portion is \(\dfrac{2}{4} = \dfrac{1}{2}\). (iii) The shaded portion is \(\dfrac{3}{6} = \dfr…

1. Find the rule which gives the number of matchsticks required to make the following matchsticks patterns. Use a variable to write the rule. Solutions: (a)Two matchsticks are required to make a letter T. Hence, the pattern is …

1. Give first the step you will use to separate the variable and then solve the equation. (a) x – 1 = 0 Solution:-  x = 0 + 1  x = 1 (b)  x  + 1 = 0 Solution:- x  = 0 – 1 x = – 1 (c)  x  – 1 = 5 Solution:-  x  = 5 + 1  x = 6 (d) …

1. Complete the last column of the table. S. No. Equation Value Say whether the equation is satisfied (Yes/No) (i) x + 3 = 0 x = 3 (ii) x + 3 = 0 x = 0 (iii) x + 3 = 0 x = -3 (iv) x – 7 = 1 x = 7 (v) x – 7 = 1 x = 8 (vi) 5x = 25 …