Can I convert units of length using cm and mm?
Key fact for this lesson is 1cm = 10mm
To convert cm to mm multiply by 10 Example 9cm = 9x10 = 90mm
To convert mm to cm divide by 10 Example 110mm = 110 ÷10 = 11cm
67 mm = 6cm 7mm
Watch the White Rose video by clicking on the link below.
There is a worksheet and some extra reasoning questions to try if you have time. Remember to check your work using the answers and do any corrections if you have them.