40592267
Description
Flashcards by Edilyadiel Gonzalez, updated about 1 month ago
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Created by Edilyadiel Gonzalez
about 1 month ago
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| Question | Answer |
| Decimal Place Value | Each digit to the right of the decimal point represents tenths, hundredths, thousandths, etc. |
| Rounding Decimals | The process of approximating a decimal number to the desired place value (e.g., tenth, hundredth, thousandth. |
| Decimal Fraction | A fraction whose denominator is a power of 10 (10, 100, 1000, etc.), easily convertible to a decimal. |
| Converting Fractions to Decimals | Divide the numerator by the denominator to obtain the decimal equivalent. |
| Converting Mixed Numbers to Decimals | Transform the fractional part of a mixed number into a decimal and add it to the whole number. |
| Converting Decimals to Fractions | Place the digits to the right of the decimal point as the numerator, and as the denominator use a power of 10 according to the number of decimal places |
| Adding Decimals | Align the decimal points and add vertically. |
| Subtracting Decimals | Align the decimal points and subtract vertically, adding zeros if necessary. |
| Multiplying Decimals | Multiply as if they were whole numbers, then move the decimal point to the left according to the total number of decimal places. |
| Dividing Decimals | Make the divisor a whole number by moving the decimal point, then divide as usual. |
| Foreign Currency Applications | The use of decimals to convert between currencies by multiplying by the exchange rate. |
| Shortcut Multiplication by 10s | Move the decimal point to the right as many positions as zeros are in the multiplier. |
| Shortcut Division by 10s | Move the decimal point to the left as many positions as zeros are in the divisor |
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