## Tag: composite figures

## Mowing the Lawn

Real World Mathematics Using Proportional Reasoning, Linear Equations & Measurement In the Mowing the Lawn task, students will have an opportunity to utilize skills related to proportional reasoning, linear equations, and measurement after watching the information Mr. Pearce collected while mowing his lawn. This activity is geared for his grade 9 applied class, however it can be modified to suit many other levels. Math Topics Related To This Activity: Proportional reasoning Linear equations Finding the area of composite figures. Act 1: Introducing the Task http://youtu.be/QHkFBtL0-0E Some images to assist: Problem To Be Solved: How long will it take Mr. Pearce to mow ...

## Cookie Cutter

Solving Problems Involving Area of Composite Figures In this 3 act math task, we will explore the measurement strand of the Ontario mathematics curriculum. Specifically, we will look at the area of composite figures including the area of a rectangle and the area of a circle. Act 1: Introducing the Problem Making Cookie Dough, Rolling Dough and Cookie Cutting In the first act of this real world math problem, we show students the video of cookie dough being mixed and rolled with a rolling pin. The cookies are then cut using a circular cookie cutter in a very particular fashion. http://youtu.be/lviA1zUJTD0 After showing the video, give students some time to brainstorm the possible questions that we could ask in this si...