PSLE math questions 2019 P2 Q15
PSLE math questions 2019 P2 Q15
Jack has 8 identical large cubes and some identical small cubes. He packed all the cubes tightly into a rectangular box such that cubes of the same size are stacked on top of each other. The box is filled to its brim exactly.
The figure shows the first layer of cubes packed in the box.
a) How many small cubes does Jack have?
b) The volume of the box is 4032 cm³. The total volume of the 8 large cubes is 𝟑/𝟕 of the volume of the box. What is the length of one edge of the small cube?
"Helen and Ivan" is not the only daunting question from Singapore's Primary School Leaving Examination. Year after year, our 12-year-olds are overwhelmed and feel at a loss when it comes to solving these questions 😔.
Here’s a question that requires students to put on their visualisation/3D glasses in order to solve it 🤓.
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