# Length

**Online Activities for 3rd - 6th Classes**

Matholia - Length: A number of video lessons that cover converting metres and centimetres; converting metres to centimetres; converting metres and kilometres; using bar models to solve length multiplication problems and using bar models to solve length division problems.

White Rose Length & Perimeter: a series of lessons, that could be followed up with other measurement lessons in year 3, year 4, year 5, and/or year 6.

Khan Academy - Perimeter (Third Grade): Watch the videos and then answer the practice questions. Afterwards, for something more challenging, look at the Fourth Grade activities on Area and Perimeter, the Metric System and/or Converting Metric Units. Or even the Fifth Grade activities on Converting Metric Length Units. You can also register for a free Khan Academy account to record your progress and explore other topics/grades.

Finding the Area & Perimeter of a Rectangle: A video lesson from Mashup Math.

That Quiz - Measurement: Measure the length of the fish. Select level 1 on the left hand side, initially and then work up to level 2 and 3.

That Quiz - Geometry: Options to calculate the perimeter of rectangles, triangles, circles and trapezoids. You can also choose to calculate the area of the shapes.

Splash Learn - Measurement Games: These games cover how to measure length, measure the perimeter of regular shapes, the perimeter of non-regular shapes, calculate a side length when given perimeter, calculate the perimeter of simple shapes, perimeter of complex shapes, converting metric units, including metric units with decimals.

Coconut Ordering Game: Select Length to order amounts of cm and m.

I know it – Third Grade: Scroll down to Measurement (metric units of length) to select those activities. For perimeter activities scroll down to Geometry (perimeter). There are similar activities in Fourth Grade and Fifth Grade.

Measurement: a selection of games from ixl.com. Choose the games to do with length and metric units of length. You can do a number of free quizzes each day without having a subscription.

Comparing and converting metric units: Practice games incorporating metric units of weight, capacity and length.

Math is Fun - Length: Background information on length and its main metric units.