Prove that the angle marked $a$ is half the size of the angle marked $b$
Think of a number and follow the machine's instructions... I know what your number is! Can you explain how I know?
How could you arrange at least two dice in a stack so that the total of the visible spots is 18?
The illustration shows the graphs of fifteen functions. Two of them have equations $y=x^2$ and $y=-(x-4)^2$. Find the equations of all the other graphs.
Ask a friend to choose a number between 1 and 63. By identifying which of the six cards contains the number they are thinking of it is easy to tell them what the number is.
This task focuses on distances travelled by the asteroid Florence. It's an opportunity to work with very large numbers.
This part introduces the use of Logo for number work. Learn how to use Logo to generate sequences of numbers.
