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Learn: Essential Mathematical Symbols and Operations
iGCSE Mathematics
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Welcome!Welcome to our lesson on Essential Mathematical Symbols and Operations! Today, we'll explore key symbols and operations in mathematics that will help you solve problems with ease. Let's get started!
What Are Mathematical Symbols?Mathematical symbols are special characters or notations used to represent mathematical concepts and operations. They help us express ideas clearly and concisely. Understanding them is essential for solving problems in iGCSE Mathematics.
Key Mathematical OperationsThe four main operations in maths are addition (+), subtraction (-), multiplication (×), and division (÷). These operations allow us to calculate and solve a wide range of problems.
Which of the following is the symbol for multiplication?
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Order of OperationsIn mathematics, the order of operations tells us the sequence in which to perform calculations. The acronym BODMAS (Brackets, Orders, Division/Multiplication, Addition/Subtraction) helps us remember this order.
The correct order of operations is {{blank0}}, {{blank1}}, Division/Multiplication, Addition/Subtraction.
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Special Symbols in MathematicsSome commonly used mathematical symbols include:=: Indicates equality between two expressions.≠: Indicates inequality (not equal).∝: Shows proportionality between two variables.√: Represents the square root of a number.
Match the items on the left with their correct pairs on the right
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Working With FractionsFractions show parts of a whole. The top number is the numerator, and the bottom number is the denominator. Operations with fractions include addition, subtraction, multiplication, and division.
In the fraction 3/4, what is the numerator?
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Decimals and PercentagesA decimal is another way to express fractions or parts of a whole. Percentages represent parts out of 100. To convert between decimals and percentages, multiply or divide by 100.
Match the items on the left with their correct pairs on the right
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Review Time!Great work! You've learned about essential mathematical symbols and operations. Let's test your understanding with a few questions.
Which of the following are true about mathematical operations? (Select all that apply)
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The percentage equivalent of 0.4 is {{blank0}}%.
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Match the items on the left with their correct pairs on the right
Start the lesson to answer this math equation question
Match the items on the left with their correct pairs on the right
Start the lesson to answer this matching question
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