Author note — to cover

Draw and interpret pictograms where the key fixes the symbol value; include part-symbols for halves and quarters, choosing a sensible key, and finding totals and differences. Question types: complete the pictogram, find a frequency, spot the missing key. Categorical or ungrouped discrete data only. Both tiers. (S2)

• Fluency — direct questions on pictograms, limited to this lesson's stated scope (4 questions).
• Application — use the same skill in unfamiliar or contextual questions without introducing a later method (4 questions).
• Check — questions built around the exclusions and likely misconceptions named in the lesson brief (4 questions).