PSLE Kathy had a rectangular piece of paper, 65.8 cm by 40 cm. She cut out as many squares as possible from the paper. The side of each square was 5 cm.
- How many squares did Kathy cut out?
- What area of the paper was left?
(a)
Number of squares that can be cut out lengthwise
= 65.8 ÷ 5
= 13 r 0.8
Number of squares that can be cut out breadthwise
= 40 ÷ 5
= 8 r 0
Total number of squares
= 8 x 13
= 104
(b)
Remaining length of the paper left = 0.8 cm
Area of the paper left
= 0.8 x 40
= 32 cm
2 Answer(s): (a) 104; (b) 32 cm
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