Arranging Additions and Sorting Subtractions
Order these four calculations from easiest to hardest. How did you decide?
Order these four calculations from easiest to hardest. How did you decide?
Explore ways of colouring this set of triangles. Can you make symmetrical patterns?
In this activity, shapes can be arranged by changing either the colour or the shape each time. Can you find a way to do it?
Pat counts her sweets in different groups and both times she has some left over. How many sweets could she have had?
On a farm there were some hens and sheep. Altogether there were 8 heads and 22 feet. How many hens were there?
How many balls of modelling clay and how many straws does it take to make these skeleton shapes?
There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. How many eggs are in each basket?