PSLE Roshel had a rectangular piece of paper, 40 cm by 38.2 cm. She cut out as many squares as possible from the paper. The side of each square was 5 cm.
- How many squares did Roshel cut out?
- What area of the paper was left?
(a)
Number of squares that can be cut out breadthwise
= 38.2 ÷ 5
= 7 r 3.2
Number of squares that can be cut out lengthwise
= 40 ÷ 5
= 8 r 0
Total number of squares
= 8 x 7
= 56
(b)
Remaining breadth of the paper left = 3.2 cm
Area of the paper left
= 40 x 3.2
= 128 cm
2 Answer(s): (a) 56; (b) 128 cm
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