decimals - Master This Word
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decimals Word Meanings
- related to a system of numbers based on ten
- expressed in the scale of tens
- a fraction where the denominator is a power of ten
decimals Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
decimals Phonetic & Pronunciation
UK
/ˈdɛsɪməl/
US
/ˈdɛsɪməl/
decimals Word Etymology
Root: 'dec' (ten) + suffix '-al'. Historical origin: Latin 'decimus' → Old French 'decimale' → English 'decimal'. Memory image: Picture a large decimal clock with ten segments, each representing a part of something divided into ten parts, reminding you of the decimals.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputReal Context
The decimal concept sits at the heart of our base-ten number system. Decimals describe numbers expressed with a decimal point and digits after the point, representing tenths, hundredths, thousandths, and so on. In everyday use, decimals appear in prices, measurements, and scores, often rounded to two or three places. The word itself comes from Latin decimus, meaning tenth, via Old French decimale. When teaching, beginners benefit from linking decimals to fractions with powers of ten, such as 0.5 = 5/10, 0.25 = 25/100. Understanding place value helps recognize why shifting the decimal point changes the value. In programming and science, decimals enable precise representation and arithmetic with floating-point numbers.
Usage Reminders
- Watch the decimal point placement
- Round decimals when appropriate
- Connect decimals to fractions with powers of ten
- Use decimals for precise measurements
- Be mindful of floating-point limits in computing
- Practice reading and writing decimals aloud
Common Misconceptions
- Decimals are the same as fractions
- The decimal point is always a dot, never a comma
- All decimals terminate (no repeating decimals)
- Decimals and percentages are interchangeable without conversion
- Rounding always fixes errors in decimals
Thinking Differences
English speakers often anchor decimals to familiar fractions and use words like point, tenths, or hundredths. Learners frequently stumble when decimals are written with a comma in some locales or when converting decimals to percentages. Emphasis on place value can prevent mistakes when shifting the decimal point.
Learning Tips
- Practice reading decimals aloud
- Convert decimals to fractions to see the relation
- Check rounding rules in your region
- Learn common prefixes (tenths, hundredths, thousandths)
- Use real-world examples like prices and measurements
- Explore decimals in short Python/Excel tasks
Related Listening
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