Find a great variety of ways of asking questions which make 8.
Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?
Noah saw 12 legs walk by into the Ark. How many creatures did he see?
How many different triangles with one dot in the middle can you draw?
How do you know have found them all?
You may like to experiment with the pegboard interactivity below, or you could print off this page of dotty grids to work on.