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Lesson 2 - Area Rule for Parallelograms
To encourage students to have fun on the Web while learning about Area Rule for Parallelograms, here are some games and interactive activities they can do on their own or in pairs.
Develop and use a rule for calculating the area of a parallelogram.
Student Book pages 242-243
Instructions for Use
Area of a Parallelogram allows students to see how rectangles are related to parallelograms. Knowing this fact, students can find the area of a parallelogram.
To use Area of a Parallelogram, select Parallelogram under the word 'Shape'. Click ' Animate' to watch a parallelogram change into a rectangle.
To find the area of this rectangle, press the two buttons 'Click to measure the lengths', located below the work area. Two interactive lines appear. Grab one line to measure the length and the other to measure the height. Click on ' Show base and height' to check your work. Now click on the grid to see how many grid squares fall inside the rectangle. That is the area of the rectangle, and it is also the area of the parallelogram. Click on ' Show area' to check the answer.
Perimeter and Area of a Parallelogram helps students find a formula for the area of a parallelogram.
To use Perimeter and Area of a Parallelogram, drag the pink dots to change the dimensions of the parallelogram. Notice the changes in the perimeter and area as the dimensions change.
Calculating the Area of a Parallelogram helps students practice multiplying base by height to find the area of a parallelogram.
To use Calculating the Area of a Parallelogram, click the 'Start' button. Input the numbers in the text box for the area of a parallelogram in square metres. Click the 'Check' button to see if the answer is correct.