#21. Question of The Week

Updated: Dec 31, 2019


Peter, John and Anna had 60 stamps altogether. Peter had 30 stamps. John had 10 more stamps than Anna. How many stamps did Anna have?

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In QOTW 20, we shared the basic concept of "Comparison of Quantity", one of the first multi-step heuristic concept introduced in Primary 2. This week, we would like to share a different variation of the "Comparison of Quantity" concept that involves "Part and Whole" concept.

#GroupingConcept #patterns #suppositionconcept #area #MathTuition #PSLEMath #Mathspecialist #mathtrick #equalelimination #multiplication #DifferenceConcept #psle #pslemath #addition #assumption #speedconcept #supposition #guessandcheck #youngmathspecialist #MatrixMath #mathtuition

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