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# Hesi Math

Term | Definition |
---|---|

Digit | Any number 1 through 9 and 0 (e.g., the number 7 is a digit) |

Place Value | The value of the position of a digit in a number (e.g., in the number 321 the number 2 is in the "tens" position) |

1 ten | 10 ones |

1 hundred | 100 ones |

1 thousand | 1,000 ones |

462+133= | 595 |

835+559= | 1,394 |

5,234-4,112= | 1,122 |

457-29= | 428 |

23*5= | 115 |

623*45= | 28,035 |

Dividend | The number being divided |

Divisor | The number by which the dividend is divided |

Quotient | The answer to a division problem |

Remainder | The portion of the dividend that is not evenly divisible by the divisor |

40 divided by 8 equals | The answer is 5 |

672 divided by 6 | The answer is 112 |

174 divided by 5 | The answer is 34.8 |

Five and seven tenths means | 5.7 |

Whole numbers | Whole numbers are written to the left of the decimal point (e.g., ones, tens, hundreds, ten thousands, hundred thousands, millions) |

Decimal fractions | Place values are written to the right of the decimal point (e.g., tenths, hundredths, thousandths, ten-thousandths, hundred-thousandths, millionths) |

2.6+3.1= | 5.7 |

5+12.34= | 17.34 |

7.21-4.01= | 3.20 |

12-8.99= | 3.01 |

75.7*2.1= | 158.97 |

0.002*3.4= | 0.0068 |

3.41*7= | 23.87 |

34 divided by 2.5 | The answer is 13.6 |

2.468 divided by 0.2 | The answer is 12.34 |

0.894 divided by 0.05 | The answer is 17.88 |

Numerator | The top number of the fraction. this represents the part or pieces |

Denominator | The bottom number of the fraction. This represents the total or whole amount |

Fraction bar | The line that separates the numerator and the denominator |

Factor | A number that divides evenly into another number |

Least common denominator (LCD) | The smallest multiple that two numbers share |

Improper fraction | A fraction where the numerator is larger than the denominator |

Proper fraction | A fraction where the denominator is larger than the numerator |

Common denominator | Two or more fractions having the same denominator |

Reciprocals | Pairs of numbers that equal 1 when multiplied together |

Terminating decimals | A decimal that is not continuous |

Ratio | A relationship between two numbers |

Proportion | Two ratios that have equal values |

Percent | Per hundred (part per hundred) Percent formula is part over whole equals % over 100 |

Variable | A letter representing an unknown quantity |

Constant | A number that cannot change |

Expression | A mathematical sentence containing constants and variables (e.g., 3x-2) |

Exponent | A number or symbol placed above and after another number or symbol, indicating the number of times to multiply |