PSLE Math 2023 Paper 2 Question 5

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(Sam Part-Whole & Comparison Pen Question)

PSLE Math 2023 Paper 2 Question 5

Handwritten notes comparing two different bag color ratios with calculations for number of red pens and total pens, including diagrams of a rectangle divided into smaller squares marked with measurements, and some calculations in blue ink.

Method 1:

Red pens → red/total
= 6+5/30+15
=11/45

Method 2:

Red pens → 3u + 3u + 3u = 11u
Total pens → 30u + 15u = 45u
Total pens → 11/45