article
An alphanumeric
Freddie Manners, of Packwood Haugh School in Shropshire solved an
alphanumeric without using the extra information supplied and this
article explains his reasoning.
Place value
-
-
articleLearn about number bases
We are used to writing numbers in base ten, using 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. Eg. 75 means 7 tens and five units. This article explains how numbers can be written in any number base. -
gameFavouriteDicey operations in line
Age7 to 11Challenge level
In these addition, subtraction, multiplication and division games, you'll need to think strategically to get closest to the target.
-
gameFavouriteDicey operations
Age7 to 14Challenge level
In these addition and subtraction games, you'll need to think strategically to get closest to the target.
-
gameCalculator bingo
Age7 to 11Challenge level
This is a game for two players. What must you subtract to remove the rolled digit from your number? The first to zero wins!
-
problemSubtraction surprise
Age7 to 14Challenge level
Try out these calculations. Are you surprised by the results?