PowerPoint slides in which pupils estimate and add weights. Worksheets that require pupils to convert from kg and grams and vice versa. Worksheets with simple problem solving differentiated three ways. Suitable from year 4 onwards.
PowerPoint presentation that provides an explanation of symmetry. Paper-folding activity in which pupils mark lines of symmetry on shapes with PowerPoint slides that show the lines of symmetry on each shape for children to use to mark/peer mark. Success criteria too. Suitable from year 3 onwards.