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A Peek Beyond the Point

Which of the two is more

Two ribbons are 6.25 m and 6.4 m long. Which is longer?

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Compare column by column. The first difference decides it.

The rule

6.4 m is longer than 6.25 m. Here is why.

Compare the whole parts first. If they match, compare tenths. Then hundredths, then thousandths.

The first place that differs decides. Here both have 6 wholes. In tenths, 2 is less than 4. So 6.4 is more.

More digits does not mean more. 6.25 has more digits, but 6.4 is greater.

₹58.40 and ₹58.4 are the same price. ₹58.75 is more, because 7 tenths is more than 4 tenths.

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This track

  1. 0 Start here
  2. 1 One step past the ones column
  3. 2 The splitting does not stop at tenths
  4. 3 What the point separates
  5. 4 An exact spot between two whole numbers
  6. 5 Which of the two is more
  7. 6 Two names for one number
  8. 7 Line up the points, not the ends
  9. 8 Decimals at the shop and on the scale
  10. 9 A whole and a part, in one number
  11. 10 When the top digit is too small
  12. 11 A dot that is not a decimal point
  13. 12 Checkpoint
  14. 13 The big picture
  15. 14 Track quiz

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