3.6.2 Multiplying Decimals: Compute as Whole Numbers, Then Place the Point
3.6 The Four Operations with Decimals: Line Up the Decimal Point
Point 2 of 5
3.6.2 Multiplying Decimals: Compute as Whole Numbers, Then Place the Point
Core idea
Ignore the point and find the product first, then count the total decimal places in both factors and place the point that many digits from the right.
Module goal. Master the methods for adding, subtracting, multiplying, and dividing decimals, understand why the point moves where it does, and learn to round and handle repeating cases.
eastmath.com · 3.6 The Four Operations with Decimals: Line Up the Decimal Point · 3.6.2 Multiplying Decimals: Compute as Whole Numbers, Then Place the Point