#missing place

Why TTUltra avoids repeated questions and other types of question it can ask.

One of the banes of randomness on a computer is that it’s not really random. Instead, it’s a mathematical pseudo-random formula and, with small sets of options (such as one or two times tables), it can repeat the “random” choice two or even three times in a row. The only computer we know of that has a true random number generator is the specially built ERNIE series. Why does this matter? Well,…

Learn the way you want to

The free version of TT Ultra comes with a starter pack of times tables unlocked and with most of them selected. However, you don’t have to stick with that. You can focus on one or two tables or add variety by selecting all of them. If your child’s homework says to practise the 2 times table, then just select it. Need to practise 1, 2, 5 and 10? That’s fine, you can choose all of those or any…