Here are two games you can play. Which offers the better chance of winning?
Investigate how you can work out what day of the week your birthday will be on next year, and the year after...
What do you notice about the sum of two identical triangular numbers?
Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?
Some of the numbers have fallen off Becky's number line. Can you figure out what they were?
Kimie and Sebastian were making sticks from interlocking cubes and lining them up. Can they make their lines the same length? Can they make any other lines?
Draw some isosceles triangles with an area of $9cm^2$ and a vertex at (20,20). If all the vertices must have whole number coordinates, how many is it possible to draw?
This page, and the accompanying webinar recordings, highlight the benefits of working systematically and the importance of offering students opportunities to appreciate the value of working in this way.
What happens when you add three numbers together? Will your answer be odd or even? How do you know?
