August 2026

Everything that arrived this month, in one place — so you can look back over it whenever you like.

New this month 8

• The bar modelWhen someone gives someone else something — the trick behind Drill 1, Question 5. Tap “Teach me this” and it explains itself out loud.
• How many rectangles?Counting without losing count — pick two lines, then two more. (#32)
• How many ways from A to B?The add-as-you-go trick, and the bump in the figure that catches people. (#32)
• Sharing in a ratioAn takes 3 while Bình takes 4, and they end up with 133 — why the parts trick works, and what changes when the question gives you a gap instead of a total. (#32)
• Two towers, the same height6 cubes reach as high as 5 cylinders — so why does the working say 5 : 6? Reading a ratio off a picture, and the check that catches you when you read it backwards. (#32)
• SMC Primary 4 — Drill 15 questions · 10 marks
• SMC Primary 4 — Drill 2: bars and units5 questions · 10 marks
• SMC Primary 4 — Drill 3: counting without losing count6 questions · 12 marks