Sarin learns Perimeter, Area and Volume in school part 104 (Math Question)

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The blog postings are about the Singapore Math. The readers can learn from the postings about Solving Singapore Primary School Mathematics. The blog presents the Math Concept, the Math Questions with solutions that teaches in Singapore Primary Schools. You or the kids can acquire the skill of dealing with the Math Modeling, the Math Problem Solving and the Problem Sum from Lower Primary School to Upper Primary School level after reading the blog postings. This posting is an upper primary school math question on Area.

You can read posting Sarin learns Perimeter, Area and Volume in school(Math Concept) to learn the concept of area.

Read also the posting on Sarin learns Shapes and Solids in school (Math Concept) to know about shapes.

Challenge yourself with the question before look out for the given solution‼!

Upper primary school mathematics question UPQ476

The figure below is made up of a 4-cm square and a 9-cm square. Find the area of the blue region.

UPQ476-1

Solution:

UPQ476-2

            Divides the 9-cm square by dotted lines as shown

            The area of the blue region = ½ × 5 × 5 + ½ × 4 × 13 – ½ × 4 × 4 = 30.5 cm2

More Questions on Area. Click here….

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