1b. comparing numbers
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The document describes how to order numbers in descending and ascending order. To order numbers in descending order, partition the numbers into columns based on place value, order the leftmost column digits highest to lowest, and if ties, move to the next column. To order numbers in ascending order, follow the same steps but order the digits lowest to highest. Examples are provided to demonstrate ordering multi-digit numbers from highest to lowest and lowest to highest.
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1b. comparing numbers
- 1. Order Numbers Created by Richard Bull
- 2. Ordering numbers descending order: ascending order: 1. Partition the numbers. 2. Order the left hand digits first. 3. If they have same value, move to next column. 317 371 137 In descending order: 371, 317, 137 H T U 300 10 7 300 70 1 100 30 7
- 3. Arrange the following numbers in descending order: 581 158 518 • Remember… –Partition the numbers. –Order the digits in the left hand column. –If two digits have same value, move to next column. Answer: 581 518 158
- 4. • Rainfall in different cities (measured in mm): London 611.3 Rome 692.9 Moscow 613.6 Paris 611.4 • Order the rainfall in ascending order (remember ascending means smallest to biggest) Answers 611.3 611.4 613.6 692.9 Created by Richard Bull