Print, project, annotate and reveal answers all from your whiteboard. Our worksheets are more than a simple piece of paper.
Get more out of this worksheet by using it together with its whiteboard resource - It's quiz show time. An incomplete sum is displayed along with a lot of numbers in boxes. Look carefully and decide which number will complete the sum. When the doors close on the boxes try to remember where the right answer is, click a door to open it and check if you made the right choice.
Preview the Sum in a Box iPad and Android tablet pupil activity that's available to accompany this IWB resource.