8th Grade · Expressions & Equations

Standard Form

8.EE.A.3

Definition

A number written out in full with all of its digits and place values, as opposed to scientific notation. Also called ordinary or expanded numeric form.

Teach it

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

Examples

  • 3.6 × 105 in standard form is 360,000.
  • 7.2 × 10−3 in standard form is 0.0072.

Key rule

A positive exponent moves the decimal right (bigger); a negative exponent moves it left (smaller).

Memory hook

Every digit written out, no powers of ten.