Give your children a real challenge and put their knowledge of rounding to the nearest 100,000 to the test with this Year 5 Round to the Nearest 100,000 Discussion Problem! Children need to investigate the different ways they can order their 6 digit cards so that there is a difference of 200,000. How many ways will they find?

This activity can be used in pairs or small groups as part of an extension of the main teaching of this lesson. The handy answer sheet is also a bonus!