Math K-7 IRP Number (Number Operations)

Students demonstrate an understanding of and a proficiency with calculations. They decide which arithmetic operation or operations can be used to solve a problem and then solve the problem.

Prescribed Learning Outcomes Illustrated Examples

It is expected that students will:
  • add and subtract decimal fractions to hundredths concretely, pictorially, and symbolically
  • -> You just got a gift of three goldfish from your grandmother and she gave you $20 to buy a bowl, a bowl ornament, and a supply of fish food. This chart shows the prices of these items at three different stores.

    Pet ZooPampered Pets
    Shop
    Johnson's
    Animals
    Bowl$7.00$6.00$8.00
    Ornament$8.50$8.00$4.75
    Fish Food$5.50$4.50$5.25

    Choose a possible selection of bowl, ornament, and food that you could buy with the $20.
    • What is the cost of your selection?
    • How much change would you receive?
    • How many different ways could you buy the three things and still spend $20 or less? Show each combination.

  • estimate, mentally calculate, or compute and verify the product (three-digit by two-digit numbers) and quotient (three-digit by one-digit numbers) of the multiplication and division of whole numbers
  • -> Greg and Nabat used base-ten blocks to build an array for 12 x 13.


    Greg and Nabat recorded their thinking differently.


    Explain the reasoning of each student. Build a model to explain 24 x 21.

  • multiply and divide decimal fractions to hundredths concretely, pictorially, and symbolically using one-digit, whole number multipliers and divisors
  • -> A total of $295.79 was collected by seven Grade 5 students for a field trip. What was the average amount collected by each student? Use play money to explain your answer.

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    Maintained by: Mathematics Coordinator

    Revised: October 20, 1997

      BC Ministry of Education