Addition to 10 colour by code — butterfly

Wings, body and antennae are each a separate colour block in the mask, which means the picture reads clearly even at a glance — a parent or teacher can tell from across the room whether a child is on track before marking a single answer.

Because the underlying maths is identical to the rocket version (bonds to ten, six answers, six colours), the two sheets are interchangeable for spaced repetition: same skill, different reveal, so a second attempt the next day does not feel like redoing yesterday's worksheet.