Mathematics 5 curriculum guide 2015 I table of contents acknowledgements

5N11 Continued...
Achievement Indicator:
5N11.5 (Continued) Create 
and solve problems that involve 
addition and subtractions of 
decimals, limited to thousandths.
5N11.6 Correct errors of decimal 
point placements in sums and 
differences without using pencil 
and paper.

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MATHEMATICS 5 CURRICULUM GUIDE 2015
Suggested Assessment Strategies
Resources/Notes
ADDING AND SUBTRACTING DECIMALS
General Outcome: Develop Number Sense
Authorized Resource
Note
Creating and solving problems 
(5N11.5) is not addressed in the 
Math Focus 5
student book.
Performance
• 
Provide students with flyers and newspapers (e.g., sports or 
business sections). Ask them to create a series of problems based 
on the information they find using decimal numbers limited to 
thousandths. Have them present their problems to the class.
(5N11.5)
• 
Bob and Alex caught three salmon with masses of 0.725 kg, 1.02 kg, 
and 0.689 kg. Bob bragged that he and Alex had caught 24.34 kg of 
salmon. Ask students how they could help Alex explain to Bob the 
correct mass of the salmon they had caught.
(5N11.6)
Portfolio
• 
Ask students to create money word problems that involve adding or 
subtracting decimals.
(5N11.5)

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MATHEMATICS 5 CURRICULUM GUIDE 2015
ADDING AND SUBTRACTING DECIMALS

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Measurement
Suggested Time: 4 Weeks
September October November December