8th Grade · Expressions & Equations
Renormalize
8.EE.A.4
Definition
To rewrite a number so the coefficient is between 1 and 10, adjusting the power of ten accordingly. Needed after multiplying or adding in scientific notation.
Teach it
Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.
Examples
- 42 × 105 renormalizes to 4.2 × 106.
- 0.6 × 105 renormalizes to 6 × 104.
Key rule
If the coefficient is 10 or more, move the decimal left and add to the exponent; if less than 1, move right and subtract.
Memory hook
Adjust the coefficient back between 1 and 10.