Adding larger numbers in your head is not always easy. If you need to use pen and paper, then the column method is a good way to add. It involves writing one number beneath the other, so that the ...

To calculate the probability of an event, the total number of possible outcomes is often required. For simple situations, making a list or completing a sample space diagram is enough but in more ...

The safest 4-digit PIN is '8068' — or at least it was, until researchers at Data Genetics told everyone this week. The researchers there went through a set of 3.4 million four-digit personal ...

The goats and their friends are having a party, but they need your help to reach the piñata. As a team, use your knowledge of thousands, hundreds, tens and ones place values to help the goats release ...

One such interesting question is: "I am a 4 digit number between 5000 and 6000. My ones place is half of my tens place. My hundreds place is 3 times my tens place. What number am I?" (Image credit: ...