Are these statements always true, sometimes true or never true?
Are these statements always true, sometimes true or never true?
Can you find some examples when the number of Roman numerals is fewer than the number of Arabic numerals for the same number?
Can you find any two-digit numbers that satisfy all of these statements?
Watch this animation. What do you see? Can you explain why this happens?
In these addition, subtraction, multiplication and division games, you'll need to think strategically to get closest to the target.
We can arrange dots in a similar way to the 5 on a dice and they usually sit quite well into a rectangular shape. How many altogether in this 3 by 5? What happens for other sizes?
Investigate the different shaped bracelets you could make from 18 different spherical beads. How do they compare if you use 24 beads?
How many different shaped boxes can you design for 36 sweets in one layer? Can you arrange the sweets so that no sweets of the same colour are next to each other in any direction?
