Technology Education IRPAppendix F: Illustrative Examples
Mathematics 8


NUMBER (Number Operations)

In order to prepare students to apply arithmetic operations on rational numbers to solve problems apply the concepts of rate, ratio, percent and proportion to solve problems in meaningful contexts, it is expected that students will:

Prescribed Learning Outcomes
Illustrative Examples

It is expected that students will:

  • add, subtract, multiply, and divide fractions concretely, pictorieally, and symbolically

Eric ordered several large pizzas for a party, and pepperoni pizzas and of a pineapple pizza were not eaten. Was there more than one large pizza left over? Explain how you can estimate the answer. Add + , using a pencil-and-paper method, and use paper circles to explain your method and your answer.

 

 

*Mr. Blair's gas tank was full when he left home. He used of a tank of gas on his errands. What fraction of a tank of gas was left? Explain how you know the answer is less than by subtracting , using a pencil-and-paper method, and use fraction strips to explain your method and your answer.

 

 

Lisa had of a large candy bar. She gave of what she had to Shannon. Explain how you know that Shannon got less than of a whole bar by:

  • multiplying , using a pencil-and-paper method
  • explaining your method and your answer by folding a piece of paper that represents a whole candy bar

 

 

Miko has m of blue cloth. How many pieces m long can she cut from her piece? Estimate the answer and explain the solution by:

  • dividing , using a pencil-and-paper method
  • using Cuisenaire rods or fraction tiles to explain your method and your answer
 

*In the community hall, of the people present are men, are women and the rest are children. There are 840 people in the hall. How many children are there?

 


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