Question 7
Langford has a square piece of chocolate divided into unit squares. After eating some of the unit squares, what is left of the square piece is shown in the diagram. At least how many unit squares of chocolate must Langford have eaten?
IMAS 2013 — Upper Primary Grades 5–6 — Round 1 Question 7
IMAS · IMAS 2013 — Upper Primary Grades 5–6 — Round 1