Just published - a set of interesting little puzzles for children in Year 4 to solve. A grid of measurements is shown where each line across and down adds up to the same distance. A part of the grid is missing and all that needs to be done is find the missing measurements. All sounds very simple, but the catch is that the measurements are not all shown in the same units; some are in metres and some in kilometres. They also include fractions of km so a good understanding of the relationship between metres and kilometres is needed. I really like these pages.Go to Year 4 Measurement