CBSE · Class 7 · Mathematics · Chapter 3

A Peek Beyond the Point

Extend place value beyond the decimal point and develop an understanding of decimal numbers and operations.

11 lessons 45 min
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Lessons in this chapter

  1. 1The Need for Smaller Units and A Tenth PartDiscover why smaller equal parts help us describe lengths more precisely.
  2. 2Adding and Subtracting TenthsUse equal-sized parts to combine lengths, find differences, and extend patterns.
  3. 3A Hundredth PartSee how splitting tenths again lets us describe finer measurements.
  4. 4Adding and Subtracting HundredthsUnderstand the exchanges behind calculations with units, tenths, and hundredths.
  5. 5Decimal Place ValueExtend familiar place value to write and read fractional quantities efficiently.
  6. 6Units of MeasurementUse decimal place value to express the same length, mass, or money amount in different units.
  7. 7Locating and Comparing DecimalsFind decimal positions on number lines and compare quantities by place value.
  8. 8Closest DecimalsCompare distances to a target and reason through decimal digit puzzles.
  9. 9Addition and Subtraction of DecimalsConnect decimal calculations with place-value exchanges, patterns, and estimates.
  10. 10More on the Decimal SystemRecognise misleading notation and understand why units and decimal points matter.
  11. 11Chapter Summary and PracticeConnect the whole chapter through a quick recap and varied revision problems.
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