Mathematics 5 curriculum guide 2015 I table of contents acknowledgements

Achievement Indicator:

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MATHEMATICS 5 CURRICULUM GUIDE 2015
Suggested Assessment Strategies
Resources/Notes
MULTIPLICATION
General Outcome: Develop Number Sense
Authorized Resource
Interview
• Use some of these questions to discuss with students the strategies 
they use for multiplication:
(i) Given the fact that 7 × 8 = 56, explain how you could use this
to determine 8 × 8 and 9 × 8. Use words, diagrams and numbers
to explain.
(ii) Bill says that because 7 × 7 = 49, he knows that 6 x 7 = 42.
Explain his thinking.
(iii) Amy knows that 4 x 9 = 36. How can she use this fact to help
her determine 8 x 9? Explain. 
(iv) Jack states that 9 x 7 = 64. Jill sees right away that Jack’s answer
is incorrect because 6 + 4 = 10. What pattern did Jill use?
(v) Explain how to use the repeated doubling strategy to determine
any of the eight times facts.
(5N3.1)
Portfolio
• After reading and discussing Gregory Tang’s 
The Best of Times,
ask 
students to create their own illustrated booklet on multiplication fact 
strategies.
(5N3.1)
Performance
• Students could play a loop game (I Have..., Who Has...) to 
reinforce multiplication facts. Prepare a set of cards with various 
multiplication fact questions and products (see sample below).
Shuffle and distribute. One student starts by reading aloud his or 
her question (i.e., Who has 9 × 7?). The student with the correct 
product responds (“I have 63”) and continues by asking the question 
on the bottom of his or her card. The cycle continues until the 
loop has been completed and the student who began gives his or 
her answer. To scaffold this for students who are unsure, consider 
giving pairs of students a card or two cards for each pair. If desired, 
the questions can be phrased: We have... Who has...? Ask students 
which strategy they used to determine their answer.
Sample cards:
1. I have 28. Who has 4 x 4?
2. I have 49. Who has 3 x 5?
3. I have 16. Who has 8 x 8?
4. I have 15. Who has 7 x 6?
5. I have 64. Who has 7 x 8?
6. I have 42. Who has 6 x 6?
7. I have 56. Who has 7 x 7?
8. I have 36. Who has 7 x 4?
(5N3.1, 5N3.3)
Math Focus 5
Lesson 1: Multiplication 
Strategies
TR: pp. 12-15
SB: pp. 176-179