5th Grade · Number & Operations in Base Ten

Compare Decimals

5.NBT.A.3b

Definition

To decide which decimal is greater or less by comparing place values from left to right.

Examples

  • 0.07 is greater than 0.02 because 7 hundredths is more than 2 hundredths.
  • 0.5 is greater than 0.48 because 5 tenths beats 4 tenths.

Key rule

Line up the decimal points, then compare matching places left to right.

Memory hook

Line up the dots, then race left to right.