# Lesson 3: Multiplying and Dividing by Powers of 10

Operations with Decimals and Percentages Unit Plan - Year 5 and Year 6 | Lesson 3 | 60 minutes

A 60 minute lesson in which students will multiply and divide decimals by powers of 10.

#### Common Core State Standards alignment

Grade 5 > Standards for Mathematical Practice > Number & Operations in Base Ten > Understand the place value system > CCSS.MATH.CONTENT.5.NBT.A.1
Recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.

Grade 5 > Standards for Mathematical Practice > Number & Operations in Base Ten > Understand the place value system > 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.