calc

    Cards (189)

    • Why is it important to remove decimals before multiplying?
      It simplifies the multiplication process
    • What should you do after multiplying decimals?
      Put the decimals back in the answer
    • How should you round numbers for estimation?
      To one significant figure
    • What method can simplify division calculations?
      Cancel off zeros top and bottom
    • What do you need to know for rounding?
      Decimal places and significant figures
    • What does a negative power indicate?
      To take the reciprocal of the base
    • How do you find the highest common factor of two numbers?
      List factors and find the highest one
    • What is the process for finding the lowest common multiple?
      List multiples and find the lowest match
    • What is a prime factor tree used for?
      To find the prime factors of a number
    • How do you convert a large number to standard form?
      Count decimal jumps to find power of ten
    • What should you do when multiplying fractions?
      Multiply the tops and bottoms separately
    • What is required for adding or subtracting fractions?
      A common denominator must be found
    • What is the first step in working with percentages?
      Calculate ten percent of the amount
    • How do you calculate a percentage increase?
      Add the percentage to the original amount
    • How do you handle error intervals?
      Draw a number line to find bounds
    • What happens when you multiply powers with the same base?
      You add the exponents together
    • What is truncation in mathematics?
      Cutting off digits without rounding
    • What is the method for collecting like terms in algebra?
      Combine similar variables and constants
    • How do you expand brackets in algebra?
      Multiply each term inside by the outside term
    • What is the process for factorizing a quadratic expression?
      Identify common factors and reverse expansion
    • What does the term 'coefficients' refer to in algebra?
      Numbers in front of variables
    • How do you handle negative signs when expanding brackets?
      Change the signs of the terms in the second bracket
    • What should you do if you encounter coefficients higher than one in an expression?
      Incorporate the coefficient in the multiplication
    • How do you simplify expressions after expanding brackets?
      Combine like terms carefully
    • What is the result of multiplying two powers with the same base?
      Add the exponents together
    • What is the significance of the number one in algebraic expressions?
      It is the coefficient of any variable without a number
    • How do you substitute values into an algebraic expression?
      Replace variables with their corresponding values
    • What is the process for working backwards in algebra?
      Use trial and error or reverse operations
    • What does the term 'index rules' refer to?
      Rules for manipulating powers and exponents
    • What is the first step in dividing powers with the same base?
      Subtract the exponents
    • How do you handle brackets in algebra?
      Multiply everything inside by the factor outside
    • What should you do when expanding double brackets?
      Perform four multiplications
    • How do you factorize a quadratic expression fully?
      Identify common factors and write them outside
    • What is the result of expanding a single bracket?
      Multiply the term outside by each term inside
    • What does it mean to collect like terms?
      Combine terms with the same variable and exponent
    • How do you simplify an expression after expanding brackets?
      Combine like terms carefully
    • What is the significance of recognizing double brackets in factorization?
      It indicates two factors that multiply to a number
    • What should you do if coefficients are higher than one?
      Incorporate the number in front of the letter
    • What is the process for simplifying a quadratic expression?
      Get the middle two pieces and simplify
    • How do you factorize a quadratic expression?
      Look for factors that go into both terms
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