Column subtraction is a way of subtracting larger numbers. It is called column subtraction, because you write one number underneath the other, using place value to sort the tens and ones in separate ...

Subtracting larger numbers in your head is not always easy, so you can use the column method to take one number away from another. You write the larger number above the smaller number, so that the ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hi superstars. My name's Ms. White and I'm so looking forward to being on this learning adventure with ...

People tend to add rather than subtract in all types of situations, even when solving problems. In some cases, however, it's better to deduct. Your health choices may affect your work, relationships, ...

“For some, common core is creating common confusion,” said education correspondent Rehema Ellis on a recent NBC News segment. The crux of the news piece was that parents are struggling to help their ...

Scientists believe stingrays and zebra mbuna fish can do simple maths involving addition and subtraction of numbers between one and five. It follows a study at the University of Bonn, in Germany, ...