Multiplying Whole Numbers by Powers of Ten (Mastery Check) | 5th Grade Math
From Math with Mr. J
5 min5thMath
Summary
How powers of ten work -- multiplying and dividing by 10, 100, and 1000 and seeing the pattern of moving the decimal point. Mr. J connects it to place value.
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Teaching resources
Discussion questions
Multiplying or dividing by a power of ten shifts every digit to a new place value.
- What happens to a number when you multiply it by 10?
- Which way does the decimal point move when you divide by 100?
- How is this a pattern, not a trick?
Quick work-a-long
Words to know: power of ten, place value, decimal point
- Solve 3.4 x 100.
- Solve 250 divided by 10.