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CBSE worksheets for Simple Equations worksheet for class 7 in PDF for free download. Mathematics worksheets for class 7 CBSE includes worksheets on Simple Equations as per NCERT syllabus. CBSE class 7 worksheets as PDF for free download Simple Equations worksheets. Users can download and print the worksheets on class 7 Mathematics Simple Equations for free.

Download Simple Equations worksheet for class 7

Simple Equations worksheet for class 7 Important Topics

Recall : Expressions and Equations
Setting up an equation
Solving an equation
Tracing Back: from solution to equation
Application of simple equations to practical situations

Some important Facts about Simple Equations worksheet for class 7

An equation is a condition on a variable such that two expressions in the variable should have equal value.
The value of the variable for which the equation is satisfied is called the solution of the equation. 3. An equation remains the same if the LHS and the RHS are interchanged.
In case of the balanced equation, if we (i) add the same number to both the sides, or (ii) subtract the same number from both the sides, or (iii) multiply both sides by the same number, or (iv) divide both sides by the same number, the balance remains undisturbed, i.e., the value of the LHS remains equal to the value of the RHS
The above property gives a systematic method of solving an equation. We carry out a series of identical mathematical operations on the two sides of the equation in such a way that on one of the sides we get just the variable. The last step is the solution of the equation.
Transposing means moving to the other side. Transposition of a number has the same effect as adding same number to (or subtracting the same number from) both sides of the equation. When you transpose a number from one side of the equation to the other side, you change its sign. For example, transposing +3 from the LHS to the RHS in equation x + 3 = 8 gives x = 8 – 3 (= 5). We can carry out the transposition of an expression in the same way as the transposition of a number.
We have learnt how to construct simple algebraic expressions corresponding to practical situations.
We also learnt how, using the technique of doing the same mathematical operation (for example adding the same number) on both sides, we could build an equation starting from its solution. Further, we also learnt that we could relate a given equation to some appropriate practical situation and build a practical word problem/puzzle from the equation.

NCERT class 7 Mathematics Solved Worksheets

Chapter 1 – Integers
Chapter 2 – Fractions and Decimals
Chapter 3 – Data Handling
Chapter 4 – Simple Equations
Chapter 5 – Lines and Angles
Chapter 6 – Practical Geometry
Chapter 7 – The Triangle and its Properties
Chapter 8 – Congruence of triangles
Chapter 9 – Comparing Quantities
Chapter 10 – Rational numbers
Chapter 11 – Perimeter and Area
Chapter 12 – Algebraic Expressions
Chapter 13 – Exponents and Powers
Chapter 14 – Symmetry
Chapter 15 – Visualizing Solid Shapes

CBSE Worksheets for class 7 Mathematics in PDF

REVIEW OF WHAT WE KNOW

The word variable means something that can vary, i.e. change. A variable takes on different numerical values; its value is not fixed. Variables are denoted usually by letters of the alphabets, such as x, y, z, l, m, n, p, etc. From variables, we form expressions. The expressions are formed by performing operations like addition, subtraction, multiplication and division on the variables. From x, we formed the expression (4x + 5). For this, first we multiplied x by 4 and then added 5 to the product. Similarly, from y, we formed the expression (10y – 20). For this, we multiplied y by 10 and then subtracted 20 from the product. All these are examples of expressions.

The value of an expression thus formed depends upon the chosen value of the variable. As we have already seen, when x = 1, 4x + 5 = 9; when x = 5, 4x + 5 = 25. Similarly,

when x = 15, 4 x + 5 = 4×15 + 5 = 65;

when x = 0, 4 x + 5 = 4 × 0 + 5 = 5; and so on.

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Simple Equations worksheet for class 7