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The Number System: Adding and Subtracting Rational Numbers
Subtracting Decimals with Mixed Signs
Description
Subtracting Decimals with Mixed Signs
Introduction
Subtracting decimals with mixed signs involves working with both positive and negative decimal numbers. This skill is important for solving real-world problems wh...
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Transcript
Amanda is doing her homework on subtracting decimals with mixed signs.
She learns the additive inverse rule: subtract by adding the opposite. A positive becomes negative, and a negative becomes positive. Using addition makes calculations easier.
Amanda tries her first question: three point five minus positive one point two.
The...
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