Estimation - JSS1 Mathematics Past Questions and Answers - page 2
11
Estimate the total number of chairs in a classroom with 5 rows and approximately 10 chairs per row.
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12
Estimate the average height of 5 classmates whose heights are measured as 140 cm, 150 cm, 135 cm, 155 cm, and 145 cm.
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13
Estimate the total length of a hallway by measuring and counting 30 of your steps, each step approximately 1 meter.
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14
Estimate the total weight of 4 boxes, each weighing approximately 2.5 kg.
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