Subtraction
引き算の基本を解説します。引き算の記号、計算の練習問題、復習に役立つ例文と応用問題。日常の計算とテスト対策に最適です。
Learn the basics of subtraction: the minus sign, practice problems, and example sentences to reinforce understanding. Ideal for everyday calculation and exam prep.
Subtraction is the process of taking one amount away from another and finding the difference. This guide covers key vocabulary for subtraction in everyday contexts.
Vocabulary
Key words in subtraction include subtract, take away, difference, minus, and less. These terms help describe the action and result of removing one quantity from another.
| English Word(s) | English Word(s) | |
|---|---|---|
| subtract | less | |
| take away | difference | |
| minus | decrease | |
| difference | reduce | |
| less than | remove |
Para encontrar la diferencia, puedes restar el número más pequeño del mayor.
Expressions
Common expressions for subtraction appear in word problems and everyday speech, such as "take away," "left," "more than," and "less than." These phrases signal which quantities to subtract.
'Quitar' en un problema escrito a menudo significa que debes restar.
Examples
Mental Math
Simple subtraction can often be done in your head by rounding, breaking numbers apart, or using related addition facts. Practicing mental strategies speeds up calculations.
Related Operations
Subtraction is closely linked to addition, as they are inverse operations. Understanding that "adding" can check a subtraction and that quantities can be compared or balanced helps with word problems.
Summary
Subtraction vocabulary centers on taking away and finding the difference. Learning key terms and phrases makes it easier to follow instructions and solve problems in everyday and academic contexts.
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