Fractions and Decimals questions for class 7

Fractions and decimals class 7 Fractions and decimals  class 7 ( Short  Answer type questions) Question 1: If of a number is 15, find the number. Solution: Let be the required number. ÷ Hence the required number is 9. Question 2: Solve   . Solution.                                                            =  = Hence  =   Question 3: Multiply  . Solution. = = = Hence = .  Question 4:  Solve  . Solution: = = = = Question …

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Laws of exponents class 7

Laws of exponents class 7 Exponents are used to express large numbers in shorter form to make them easy to read, understand, compare and operate upon. The base is the number that is being repeated as a factor in the multiplication. For example, The exponent tells you how many times the base is repeated as a factor in the multiplication . Here exponent is 3 . Laws of exponents  with examples class 7 Laws of exponents Class 7 questions Laws of exponents class 7 (solved examples) Simplify the following using laws of exponents class 7 Example 1. Find the value …

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Integers class 7

Integers class 7 It includes all natural numbers , 0  and negative of natural  numbers . It is denoted by ,                                                                                     representation of integers on number line Negative  integers are on the left side of 0 Positive integers are on the right side of the zero 0 is neither +ve  nor -ve. Integers are closed under addition. It …

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Simplification questions for class 7 PDF

Simplification questions for class 7 Different types of questions on simplifications are explained here step by step. Simplification questions for class 7(Solved examples)  (i)16+8 ÷ 4-2 x  3 Sol.  According to the   ‘BODMAS’    rule  we have to perform division first followed by  multiplication , addition and subtraction. 16+8 ÷ 4-2 x  3 =16+2-2 x  3                    ( performing division) =16+2-6                              (performing multiplication) =18-6                                 (performing …

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