This activity exposes children to various types of measurement and encourages them to use addition and other maths skills to determine the sizes of different spaces.

What this activity will develop:
Maths and physical skills

What you'll need:

• Large piece of cardboard
• Ruler or tape measure
• Pencil
• Craft knife
• Nail
• Small bolt and nut
• Marker

What to do:

1. Work out what unit of measure to use (centimetres or inches). Cut a cardboard circle using one of the following diameters:
   • 31.9cm
   • 3¾ins

2. Measure a comfortable length for the handle. Cut a narrow strip of cardboard about twice the length of the circle's diameter. Fold the handle in half.

3. Make a small nail hole in the centre of the wheel. Make another hole in the open end of the handle.

4. Slip the wheel between the open handle ends. Line up the holes, insert the bolt, and fasten the nut. Make sure the wheel turns easily.

5. Mark a large arrow on the wheel from where the handle is attached to the edge of the circle.

How to use:

1. Work in partners to measure distances. Begin with the arrow pointing at the ground.

2. While one person holds the handle and rolls the wheel, the other person counts the number of times the arrow touches the ground. For example, to measure the width of a room in metres, start at one end and record the number of times the metre wheel turns while crossing the room.

3. Try measuring a bedroom, the distance from school to the park, or the distance to a friend's house.

Select more skills:
• Listening Skills
• Math Skills
• Motor Skills Help
• Science Fun
• Reading Skills
• Vocabulary Builder

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