This video is intended to be a teaching supplement. If a teacher makes a lesson out of the idea presented in this video then students will be able to experience a hands-on approach to percentages and taxation. It is meant to empower both students and parents to learn outside the classroom and not as a direct teaching tool or a replacement for proper instruction. I have often found that when a student is struggling in mathematics and there is no further time available for me to spend with them then parents or other educators must step in and help them. Normally at this point it is too late for a teacher to help with the catch-up work that the student must do but by providing students and parents with the resources and insights that they need to discover the material for themselves we are increasing their chances of success in the classroom later on. With that in mind, the creation of this movie signifies the beginning of a career long search and collection of resources that can, and will, be used both inside and outside of my classroom.
Grade Stream & Strand: Mathematics 8
Topic: Number
Timeline: 1 - 8 Minute Session
Big Idea: Teachers, parents, and students alike will become become aware of new ways to understand and teach GST.
NCTM Principles and Standards for School Mathematics covered in this presentation:
1. Number:
In Grades 6-8 all students should:
- develop meaning for percents greater than 100 and less than 1;
- work flexibly with fractions, decimals, and percents to solve problems;
In Grades 6-8 all students should:
- develop, analyze, and explain methods for solving problems involving proportions, such as scaling and finding equivalent ratios.
Specific Outcomes:
1. Demonstrate an understanding of percents greater than or equal to 0%, including greater than 100%. [CN, PS, R, V]
Vocabulary Focus
GST: A 5% tax on the supply of most goods and services in Canada.
(Canada Revenue Agency)
HST: A harmonized sales tax replaces both the five percent federal goods and services tax (GST) and the provincial sales tax and is applied on the same basis as the GST.
(Canada Revenue Agency)
PST: a provincial tax imposed on the consumers of most goods and particular services in a particular province. (Canada Revenue Agency)
Works Cited:
Alberta Education. (2008). The Alberta 10-12 Program of Studies. Edmonton: The Crown in Right of Alberta.
N. C. T. M. (2012, February 9). Principles and Standards for School Mathematics. Retrieved February 9, 2012, from National Council of Teachers of Mathematics: http://www.nctm.org/standards/content.aspx?id=3742
Ward, Susan. (2012, February 9). GST. Retrieved February 9, 2012, from Small Business: Canada: http://sbinfocanada.about.com/cs/taxinfo/g/gst.htm
Special thanks to Vi Hart, Dan Meyer, and John Scammell for their inspiring work.
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