# Blog

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## Understanding Surface Area

Measuring surface area continues to be a challenge for many students in the junior grades.  Recently someone was asking me about this, so here are a few thoughts. EQAO Problem:  The container of popcorn shown is in the shape of a rectangular prism.  What is the smallest amount of paper … More Understanding Surface Area »

## Probability – Proportional Reasoning & Fractions

Learning about probability provides a great opportunity to revisit fractions and many other important math concepts such as proportional reasoning in a fun way! Much of this work involves the use of spinners. Big Ideas An experimental probability is based on past events and experiments. A theoretical probability is based … More Probability – Proportional Reasoning & Fractions »

## Probability – Lucky Numbers

Recently, I planned and implemented this probability lesson in both a Grade 5 and a Grade 3 classroom respectively.  This is a example of a lesson that could be used in any Primary/Junior classroom and would also be an easy game to send home for students to play with family … More Probability – Lucky Numbers »

## Perimeter and Multiplicative Thinking

Another exciting day of job-embedded learning with students and educators in a primary class.  The teacher had just introduced her students to perimeter the day before. – “estimate, measure, and record the distance around objects, using non-standard units”.  The students were organized into pairs and given a shape and snap … More Perimeter and Multiplicative Thinking »

## Birthday Party Best Deal

Here is a different “best deal”  problem!  In my daughter’s Grade 5 classroom we adapted a Patterning & Algebra problem that was shared on Twitter thanks to Michael Sloan. For your birthday, you have decided to take your friends to play Laser Tag.  You have two choices. Super Laser offers … More Birthday Party Best Deal »

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