Grade 5 · Number and Operations in Base Ten

CCSS.MATH.CONTENT.5.NBT.A.2

Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10.

Read this standard on the official Common Core site

Lessons that teach this standard

• Multiplying Decimals: Count the Decimal Places

  How to multiply decimals by ignoring the points, multiplying as whole numbers, then counting the decimal places — and why that count is what it is.