How 2 Do Math Work

INTRODUCTION TO HOW 2 DO MATH WORK

How 2 do math work is nothing but doing math problems. The main importance of how 2 do math work is the sequence of steps we follow to solve the math problem. Solve math problems relates important role in our daily life. Everyone should know the importance of math and how 2 do math work. How 2 do math work depends on the topics of the math work we do. Every topic has different steps to do the problem. Some topics follow formula method. Problems of different topics have many logic's. Many chapters undergoes math. All the problems of math cannot be solved by same way.  Every problem has to be solved by using different methods, different steps, etc.

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PROBLEMS ON HOW 2 DO MATH WORK


1. Find the area and perimeter of a square of the side a = 9cm

Solution

This problem is based on formula method.

The side of the square = 9 cm

Formula to calculate the area of the square = a^2 or (side * side)

Area of the square = 9 * 9

= 81 square centimeter.

Formula to calculate the perimeter of the square is 4* side

Perimeter of the given square = 4 * 9

= 36 cm

2. How 2 do math work of (5*7) + 9 – 8 / 2 *2 + 2

Solution

Here we work out this problem by using PEMDAS rule

35 + 9 – 8 / 2 * 2 + 2 ------------(Parenthesis first)

35 + 9 – 8 / 4 + 2------------------(No exponents so net multiplication)

35 + 9 – 2 +2 ---------------------(Division)

44-4---------------------------------(Addition)

40

3. How 2 do math work of Multiplication of 7.8 x 3.2

Solution

7.8

3.2 x

----------

156

234   +

-------------

2 4.96

--------------

The process is first multiply the once digit and then multiply the tens digit. After the multiplication add at last and count the number of digits after decimal point in the question and place the decimal digit counting from last digit. This is the process of how 2 do math work of this multiplication.

Understanding 7th grade math problems with answers is always challenging for me but thanks to all math help websites to help me out.

Practice problems on how 2 do math work

Multiply 78 * 51
Add 84569 + 45213
Divide 235 / 5
Answer

3978
129782
47