Gr 10 Math Lit: Ch 1.2 Operations
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Questions and Answers

What is the purpose of estimating answers to calculations?

  • To think about a problem before working it out (correct)
  • To use a calculator
  • To perform complex mathematical operations
  • To get an exact answer

    • What is the function of the M+ key on a basic calculator?

  • Displays the number stored in memory
  • Adds a number to the memory (correct)
  • Divides a number by 2
  • Subtracts a number from the memory

    • What is the correct order of operations when performing calculations?

  • Multiplication, Division, Addition, Subtraction
  • Division, Multiplication, Addition, Subtraction
  • Brackets, Orders, Division and Multiplication, Addition and Subtraction (correct)
  • Addition, Subtraction, Multiplication, Division

    • What is the result of multiplying a number by 100?

    <p>Shift each digit two places to the left</p> Signup and view all the answers

    What is a proper fraction?

    <p>A fraction with a numerator smaller than the denominator</p> Signup and view all the answers

    How do you add and subtract fractions?

    <p>Convert fractions to have a common denominator before performing the operation</p> Signup and view all the answers

    What is the result of multiplying two fractions?

    <p>Multiply the numerators together and the denominators together</p> Signup and view all the answers

    What is the purpose of the change sign key on a calculator?

    <p>To change the sign of a number</p> Signup and view all the answers

    Which key on a basic calculator can be used to display the number stored in memory?

    <p>MRC</p> Signup and view all the answers

    What is the purpose of breaking down and multiplying in calculations?

    <p>To make multiplication and addition easier</p> Signup and view all the answers

    What happens when you multiply a number by 1000?

    <p>Each digit is shifted three places to the left</p> Signup and view all the answers

    What type of fraction has a numerator larger than the denominator?

    <p>Improper Fraction</p> Signup and view all the answers

    When dividing fractions, what operation is performed?

    <p>Multiplication by the reciprocal of the divisor</p> Signup and view all the answers

    What is the purpose of grouping in multiplication and addition?

    <p>To make multiplication and addition easier</p> Signup and view all the answers

    Which of the following is an example of a mixed number?

    <p>2 1/3</p> Signup and view all the answers

    What is the result of multiplying a fraction by its reciprocal?

    <p>1</p> Signup and view all the answers

    What is the primary purpose of using the memory functions on a basic calculator?

    <p>To store and recall intermediate calculations</p> Signup and view all the answers

    When multiplying a number by 10, what happens to the digits of the original number?

    <p>Each digit is shifted one place to the left</p> Signup and view all the answers

    What is the result of multiplying an improper fraction by its reciprocal?

    <p>1</p> Signup and view all the answers

    When adding and subtracting fractions, what must be done to the denominators?

    <p>They must be converted to a common denominator</p> Signup and view all the answers

    What is the purpose of using brackets in calculations?

    <p>To indicate the order of operations</p> Signup and view all the answers

    What is the result of multiplying a number by -1 using the change sign key?

    <p>The number becomes negative</p> Signup and view all the answers

    What is the primary advantage of breaking down and multiplying in calculations?

    <p>It reduces the complexity of the calculation</p> Signup and view all the answers

    What is the result of dividing a fraction by its reciprocal?

    <p>1</p> Signup and view all the answers

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