Interactive

Mental Math to Divide by Whole Number Powers of Ten: Mental Math to Divide Decimal Powers of Ten

Curated and Reviewed by Lesson Planet

Boost mental-math skills with an interactive that focuses on dividing whole numbers by powers of 10. Mathematicians solve five fill-in-the-blank and multiple-choice questions with help from a moveable decimal point in four example equations. Peers discuss division rules.  

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Provide a word bank for fill-in-the-blank questions 
  • Assign the link as a warm-up before direct instruction
  • Direct learners to answer the discussion question on a sheet of paper, when everyone has had the chance to complete the interactive, come back together as a class to discuss it
Classroom Considerations
  • A free CK-12 account is required to access the interactive 
  • Participants should be familiar with division and powers of 10
Pros
  • The decimal points stand out in a bright red color 
  • Questions are written clearly 
Cons
  • The decimal point does not move smoothly 
Common Core