Early stages in understanding written addition; adding the units, then the tens, then the hundreds before adding the three subtotals. See the Help button for more info on this method.
This method starts by adding the units and writing the answer, then the tens then the hundreds, finally adding all three subtotals.
This is an intermediate stage in learning about written addition. Add the tenths, then the units and finally add the two totals. ten questions to complete.
This is an intermediate stage in learning about adding decimals, starting by adding the pence. Press the Help button on the top right of the page to learn more about this method.
Start by adding the units and carrying into the tens. Make sure all boxes have been filled in. Click the Help link on the page with the question on if unsure of this method.
The method we are all used to, but done on the screen instead of paper! All boxes need to be completed before pressing return to see if it is correct.