Ninja Notes

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Math Lessons

Love Math and Explore Perimeter With Your Young Mathematicians

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There are lots of fun ways to explore perimeter measurement in your upper elementary classroom and we've written up a whole post full of our favourite ideas. Come read it today!

When people ask, “When will I ever use this?” perimeter is often an example of a real-world skill that people need. Understanding how to measure it is important for construction, landscaping, sewing, and painting.

Students usually start off understanding perimeter when we measure with non-standard units. But, as soon as we start adding formulas or other measurements, like area, students begin to struggle. Check out the ways we help build a strong foundation for measuring perimeter with our upper elementary students.

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Teach Your Students How to Create Line Plots

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Teaching line plots can be challenging, but we've got some tried and true methods to teach dot plots (or line plots) to your students when you are introducing graphing or reviewing. Come take a look.

Most students feel comfortable making a bar graph, but line plots (or dot plots) can be difficult for some students. It is important to understand line plots so you can teach your students to master them. Come learn how we introduce and teach dot plots to our students as part of our graphing and statistics lessons.

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How to Teach Decimals Place Value

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Are you looking for ways to help your students master decimal place value? We put together our best activities to help teach, review, practice and assess decimals place value in your upper elementary math class.

For some students, place value comes second nature, but for others, it can be very challenging. Once you add decimals into the mix, it can become downright confusing. Come check out some of the strategies we use to help students master decimals place value.

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Plotting on the Cartesian Plane During Math Class

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If you are looking for ways to teach the Cartesian plane, ordered pairs or coordinates in your elementary math class, come check out this post full of practical ideas.

The Cartesian plane was named after the mathematician René Descartes. This is now an outcome in the Alberta Mathematics Curriculum and somehow we made it through all our university math classes without needing that information.

The plane is a fundamental tool that can represent relationships between two variables. Most of that goes right over the heads of elementary students, but if you talk to them about the game Battleship, most realize they’ve already been using the Cartesian plane. Come learn how we teach the quadrants and coordinates.

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Ways to Teach Classifying Triangles

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Are you looking for some innovative ways to help students understand classifying triangles? We've put together lessons to teach, review, practice and assess triangles in your upper elementary math class. Come check it out!

Triangles are fundamental shapes in your geometry lessons. Understanding their properties lays a strong foundation for further mathematical learning. Students need to understand measurements of side lengths and angles to classify triangles. Come learn some of the ways to teach classifying triangles in your upper elementary classroom.

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How to Teach Rounding Numbers

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Are your students needing help rounding numbers? We pulled together our best strategies so you can master rounding with your elementary students and get your math class back on track.

Rounding numbers is an important mathematical skill for everyday life. Understanding how to round whole numbers and decimals not only strengthens numeracy skills but empowers students to make informed estimations and calculations. Gone are the days of teachers being able to use the “you won’t have a calculator with your every way you go” as the excuse for learning to round numbers. Instead, students need to understand all the different uses for rounding and how it relates to estimating. Learn how we teach rounding numbers in our upper elementary classroom.

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