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Deb Russell

Mathematics

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Memorizing Trig's Functions?

Wednesday April 23, 2014

Here's what you need to help you commit Trig's functions to memory. It's called Alison's Triangle and was found in the book 'Twenty Years Before the Blackboard' which was written by who else of course? A math teacher!

See more on the Trigonometric Formula.

Easter Egg Hunt

Thursday April 17, 2014

Are you read for a quadratic equation word problem that relates to Easter? I can't think of anything more entertaining to do this Easter that links the holiday with Math! Jennifer Ledwith provides us with this entertaining set of questions for a fun filled 'mathy' Easter.  See the exercise questions here.
(All questions are supported with answers.)

Measures of Central Tendancy

Wednesday April 9, 2014

This concept is taught as early as the 3rd grade and refers to the law of averages. When the term average is used, most of us mean the 'mean' average. However, there are other averages which are the median and the mode.  If you are looking for a 101 on the Mean, the Median and the Mode, you'll find a quick overview here.

See also,  free median worksheets.

Beginning of Base 10

Saturday April 5, 2014

Base 10 concepts begin in Kindergarten. At this early age, base 10 refers to the ability to understand that in a number like 12, the one represents 1 ten or 10 ones, it no longer is the same as 1 when 1 is in isolation. It is also showing the ability to count onward when 10 is recognized, looking at a group of 10 and automatically knowing to count up to determine how many there are when there is a group of 10 and 5 more or 6 more.

Although this concept sounds simple, it's quite difficult for new learners. This article focuses on teaching strategies for the kindergarten learner, using the Common Core Standards for understanding and decomposing numbers from m11 to 19.

Best Graduate Level Math Programs

Wednesday April 2, 2014

Are you ready to move on to a graduate degree in math? Whether you're looking to pursue graduate level in Algebra, Number Theory, Algebraic Geometry, Analysis, Applied Math, Discrete Math, Topology, Logic or Geometry, you might just find this list of the top schools to pursue graduate level math to be quite helpful. You'll find score levels and useful information to help you guide your decision.

See also, What to do with a Degree in Math and Careers in math.

Algebraic Reasoning in Kindergarten?

Sunday March 30, 2014

When you think of algebraic reasoning, I'm sure that kindergarten is the last thing on your mind. However, algebraic reasoning occurs as early as kindergarten and is certainly one of the benchmarks in the Common Core Standards. This week, I've written an article about how to address subtraction to five, addition to 10 and what it means to reason algebraically in kindergarten. The strategies in this article address K.0A in the Common Core Standards.

See also: All articles on Common Core in Kindergarten.

Something Uncommon for Common Core

Wednesday March 26, 2014

Khan's Academy just went live with a variety of online math activities to address the Common Core State Standards for grades Kindergarten through to grade 12. For those new to Khan's site, he provides a wealth of tutorials on math for practically every concept from kindergarten through to college. The Common Core activities are free and offer a differentiated approach but don't take my word for it, check it out.

See more about Common Core

 

 

Quick Graph Paper

Friday March 21, 2014

Are you on the last page of your pad of isometric dot paper? Graph Paper? Blank coordinate grid paper? No worries, whether you need portrait or landscape, the many math charts, graphs and grid paper can all be found right here. Whether you`re looking to draw something to scale or whether you just need to plot something, you will always be able to get a quick print right here.

Typical Courses of Study for Math

Monday March 17, 2014

What should children know in math in Kindergarten, 3rd grade, 7th grades or any grade for that matter? Many states follow the Common Core Standards which relate closely to the NCTM standards and of course there are sets of curriculum or standards that vary somewhat,  depending on the educational jurisdiction.  For a quick glimpse at what is expected from a pre-school level through to grade 12, you'll find the grade by grade goals to be quite helpful. When looking through the standards, curriculum or grade by grade goals, remember that these expectations are meant to be achieved by the end of that year.

Happy Pi Day on March 14

Wednesday March 12, 2014

Pi Day is celebrated usually by math enthusiasts on March 14th because March is the 3rd month and the 14th (day) represents Pi the constant which is 3.14 The symbol Pi looks something like an upside down u:   this symbol is also the 16th letter of the Greek alphabet. Pi is actually the ratio of the circumference of the circle to the diameter. Everything else you need to know about Pi is found right here.

See some great activities to celebrate Pi with your students.

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