Different kinds of problems you can use the rekenrek for.
Join problems Join where the result is unknown What is 5 + 8? Join where the start is unknown What number + 8 = 13? Join where the change is unknown I start with 5 and finish with 13, what is added? Separate problems Separate where the result is unknown 14 – 6 = Separate where the start is unknown ?–5=9 separate where the change is unknown 14 - ? = 8 Part- part- whole problems Part-part-whole where the whole is unknown 5 + 2 + 5 + 2= Part- part- whole where the part is unknown 5 + ? + 5 + ? = 18 Compare problems Compare where the result is unknown Which is bigger 14 or 12? Compare where the quantity is unknown What is 3 bigger than 12?
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