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Learn: Essential Mathematical Symbols and Operations
iGCSE Mathematics
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Welcome!Welcome to today's lesson on Essential Mathematical Symbols and Operations. We'll explore key mathematical symbols, their meanings, and how they are used in various operations. Let's get started!
What are Mathematical Symbols?Mathematical symbols are characters or notations used to represent numbers, operations, relationships, or sets in mathematics. They help simplify equations and calculations, making it easier to solve problems.
Common Mathematical SymbolsThere are many important symbols in mathematics. Here are a few examples: - + (addition): Adds numbers or values. - − (subtraction): Subtracts one number or value from another. - × (multiplication): Multiplies numbers or values. - ÷ (division): Divides one number or value by another.
Which mathematical symbol is used to represent addition?
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Order of OperationsIn mathematics, the order of operations tells us the correct sequence to solve problems. The acronym BODMAS helps us remember the order: - B for Brackets - O for Orders (e.g., powers or roots) - D for Division - M for Multiplication - A for Addition - S for Subtraction.
What does the 'B' in BODMAS stand for?
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Match the items on the left with their correct pairs on the right
Start the lesson to answer this matching question
Using Symbols in CalculationsMathematical symbols are used in calculations to solve problems. For example, to find the sum of 7 and 5, you would write 7 + 5 = 12. Similarly, to divide 20 by 4, you would write 20 ÷ 4 = 5.
In the equation 15 ÷ 3 = {{blank0}}, the symbol ÷ represents {{blank1}}.
Start the lesson to answer this fill in the blank question
Understanding Equality and InequalityEquality is represented by the symbol '=' and shows that two values are the same. Inequality symbols include '' (less than, greater than), '≤', '≥' (less than or equal, greater than or equal).
Which symbol shows that two values are equal?
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Common Mathematical OperationsMathematical operations are processes we perform on numbers. The four basic operations are addition, subtraction, multiplication, and division. These operations help us solve everyday problems, like calculating costs or sharing items equally.
Match the items on the left with their correct pairs on the right
Start the lesson to answer this math equation question
Review Time!Great work! You've learned about Essential Mathematical Symbols and Operations. Now let's test your understanding with a few questions.
Which of the following are mathematical symbols? (Select all that apply)
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The symbol {{blank0}} represents addition, and the result of 9 + 6 is {{blank1}}.
Start the lesson to answer this fill in the blank question
Match the items on the left with their correct pairs on the right
Start the lesson to answer this matching question
Match the items on the left with their correct pairs on the right
Start the lesson to answer this math equation question
Well Done!You've completed the lesson on Essential Mathematical Symbols and Operations. Keep practising to strengthen your skills!
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