Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hi, my name is Miss James and I can't wait to find out just how clever you are in our lesson today. For ...

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 ...

You can find the difference between two numbers in more than one way. You can count up from the smaller number to the larger number. Or, you can count back from the larger number to the smaller number ...

Join Mrs. McCartney for an addition number talk with D.C.! Join Mrs. McCartney for an addition number talk with D.C.! Get ready to have some fun subtracting two-digit numbers with regrouping and ...

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, ...

You are debugging your microcontroller code. Your design should blink an LED after a counter has counted down 102 times. When the inital value of the counter is 10110011 it doesn’t seem to blink. What ...