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A place-value chart shows: tens 2, ones 7, tenths 0, hundredths 4. Naveen reads the chart and writes 27.4. What went wrong?

Class 6DecimalsDecimals
  • AHe dropped the empty tenths column, so the 4 slid into tenths; the number is 27.04
  • BNothing — 27.4 is the correct reading of this chart
  • CHe should have written 274.0, because a chart is read straight across
  • DHe should have written 2.74, because the chart lists four entries

Step-by-Step Solution

The chart gives 20 + 7 + 0 tenths + 4 hundredths = 27.04. Naveen skipped the empty tenths column, which slides the 4 out of hundredths and into tenths and makes the decimal part ten times bigger than it should be.
Answer: A) He dropped the empty tenths column, so the 4 slid into tenths; the number is 27.04

Key idea: Place value to the right of the decimal point

To the LEFT of the decimal point: ones, tens, hundreds — each place is **10 times** bigger than the one to its right. To the RIGHT of the decimal point, the same rule continues — each place is **10 times smaller** than the one to its left. So:

- 1st place after the point: tenths (1/10)
- 2nd place: hundredths (1/100)
- 3rd place: thousandths (1/1000)

The decimal .

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