Narrator: Okay. Draw a rectangle.Now, measure the perimeter. It’s the total length around a shape. But what if you couldn’t measure the sides? Then you’d have to use what information you do know to ...

The perimeter is the distance around the outside of a 2D shape. The distance can be measured in units like millimetres, centimetres, metres and kilometres. To work out the perimeter, add up the ...

It’s around fourth grade that many youngsters become discouraged by math and begin to think of it as a subject they’re just not good at. Be aware of this and try to prevent your child from developing ...