When Charlie asked his grandmother how old she is, he didn't get a straightforward reply! Can you work out how old she is?
Nearly all of us have made table patterns on hundred squares, that is 10 by 10 grids. This problem looks at the patterns on differently sized square grids.
Crosses can be drawn on number grids of various sizes. What do you notice when you add opposite ends?
These eleven shapes each stand for a different number. Can you use the number sentences to work out what they are?
Leah and Tom each have a number line. Can you work out where their counters will land?
Annie and Ben are playing a game with a calculator. What was Annie's secret number?
Write a Logo program, putting in variables, and see the effect when you change the variables.
Learn to write procedures and build them into Logo programs. Learn to use variables.
