Eighteen double-sided penguins can be used to teach doubles and halves, or to show a 1-15 number line and show doubles on the reverse. Alternatively use as a whole class flashcard to identify the half or the double of the number. Comes with a photocopiable booklet.
24 Nov 2015
My pupils love them and they are brilliant for showing the inverse relationship between doubles and halves
06 Nov 2013
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