8th Grade · Expressions & Equations

Coefficient

8.EE.A.3

Definition

In scientific notation, the decimal number multiplied by a power of ten. It must be greater than or equal to one and less than ten.

Teach it

Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.

Examples

  • 3.6 × 105: 3.6 is a valid coefficient (between 1 and 10).
  • 36 × 104 is NOT valid — 36 is too big.

Key rule

The coefficient must be at least 1 and less than 10.

Memory hook

The front number, always between 1 and 10.