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Math puzzle up to 20 - addition and subtraction (set 2)

Math puzzle up to 20 - addition and subtraction (set 2)
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Article number: E523363
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Description

Practise addition and subtraction, with regrouping the tens, up to 20 in a playful way. Combine sums and answers to reveal the image. Contents: wooden frame (40 x 28 cm), 35 wooden puzzle pieces with a sum on the back side, plastic sheet with answers.