Mathematics 7 | Saskatchewan Curriculum

Develop and demonstrate an understanding of adding and subtracting positive fractions and mixed numbers, with like and unlike denominators, concretely, pictorially, and symbolically (limited to positive sums and differences).

[C, CN, ME, PS, R, V]

Indicators for this outcome

(a)	Estimate the sum or difference of positive fractions and/or mixed numbers and explain the reasoning.
(b)	Model addition and subtraction of positive fractions and/or mixed numbers using concrete or visual representations, and record the process used symbolically.
(c)	Determine the sum or difference of two positive fractions or mixed numbers with like denominators and explain the strategy used.
(d)	Explain how common denominators for fractions and/or mixed numbers and factors are related.
(e)	Explain how a common denominator can help when adding fractions and/or mixed numbers.
(f)	Determine the sum or difference of two positive fractions or mixed numbers with unlike denominators and explain the strategy used.
(g)	Simplify a positive fraction or mixed number by identifying and dividing off the common factor between the numerator and denominator.
(h)	Generalize and explain personal strategies for determining the sum or difference of positive fractions and/or mixed numbers.
(i)	Solve a problem involving the addition or subtraction of positive fractions or mixed numbers.
(j)	Explain how the sum or difference of positive fractions and/or mixed numbers can be represented symbolically in different ways.

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N7.6 →

Resources

R012392

Open Questions for Rich Math Lessons. Grades 7-9 (WNCP)

The resources in this series provide a range of open questions that cover the various parts of a problem-solving lesson. These questions may be used to discuss math concepts, to provide practice for concepts and skills, to create extra challenges for students or to act as models for developing your own open questions. Each book in the series focuses on a specific strand: Number, Patterns and Relations/Statistics and Probability and Shape and Space.

Please see the related resources below.

• Open Questions for Rich Math Lessons. Grades 7-9, Number Strand

• Open Questions for Rich Math Lessons. Grades 7-9, Patterns and Relations, Statistics and Probability

• Open Questions for Rich Math Lessons. Grades 7-9, Shape and Space

Media and Formats : Book

Price : $54.95 ea.

Record posted/updated: February 10, 2020

R044342

Elementary and Middle School Mathematics: Teaching Developmentally(5th Canadian ed.)

This professional resource offers suggestions to teach concepts and procedures specific to mathematics in grades K-8 students. There are suggestion to differentiate instruction for English Language Learners, advanced learners, and learners with difficulties. The resource references real experiences and assessment practices to address the foundations of how children learn. This edition focuses on mathematical inquiry through rich tasks and classroom discourse. There is a companion website listed for blackline masters, activities, additional tools and expanded lessons.

(More information)

Media and Formats : Book

Price : See publisher.

Record posted/updated: May 18, 2022