Mathematical Operations and Applications
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Questions and Answers

What is the result of the expression $20 + 5 \times 2 - 4 \div 2$?

  • 26 (correct)
  • 25
  • 27
  • 24
  • A recipe calls for $3$ cups of flour, $2$ cups of sugar, and $5$ cups of milk. If you want to make half the recipe, how many total cups of ingredients will you use?

  • 7.5 (correct)
  • 6
  • 4
  • 5
  • If you start with $36$ and perform the operations in the order of addition ($+4$), multiplication ($\times2$), and then subtraction ($-10$), what is the final result?

  • 66
  • 58 (correct)
  • 62
  • 68
  • Which of the following scenarios exemplifies the use of combined operations in a real-life context?

    <p>Calculating the total cost of items after a discount</p> Signup and view all the answers

    What value-based approach can enhance understanding of whole number operations in primary education?

    <p>Integrating real-life scenarios for practice</p> Signup and view all the answers

    What is the correct order of operations to solve the expression $8 + 2 imes 3 - 4$?

    <p>Multiplication, Addition, Subtraction</p> Signup and view all the answers

    Combining operations can greatly simplify shopping calculations, such as determining total costs after applying discounts and tax.

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

    Explain how to integrate value-based education with the concept of whole number operations in primary mathematics classes.

    <p>By encouraging cooperation and teamwork through group problem-solving activities that use whole number operations, fostering respect and understanding among students.</p> Signup and view all the answers

    When performing combined operations with whole numbers, _______ is performed first.

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

    Match the following operations with their corresponding symbols:

    <p>Addition = + Subtraction = - Multiplication = × Division = ÷</p> Signup and view all the answers

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