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 ...
There are two 25s in 50 and there are four 25s in 100. If you remember this, it helps you count in steps of 25. Look at this number line. With every two steps of 25 there is a bigger step of 50.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback