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# Math Vocab Top. 5&6

### MATH VOCABULARY: TOPICS 5 & 6

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

Dividend | The number to be divided; Exam. 54÷9 = 6 or 54/9 – 54 is the dividend. |

Divisor | The number by which the dividend is being divided by; Exam. 54÷9= 6: 9 is the divisor |

Quotient | The answer in a division problem; Exam. 54÷9= 6: 6 is the quotient |

Remainder | The amount that is left after dividing a number into equal parts; the remainder is the numerator in the fraction; the denominator is the divisor. |

Product | The answer in a multiplication problem. |

Decimal | A number with one or more places to the right of a decimal point. |

Partial Products | Products found by breaking one of two factors into ones, tens hundreds, and so on, and then multiplying each of these by the other factor. |

Partial Quotients | We can use partial quotients to divide by a one-digit divisor. We can choose multiples of the divisor to find partial quotients we subtract the partial quotients from the dividend. |

Equivalent Decimals | Decimals that name the same amount; Exam: 0.7 = 0.70 |

Fraction | A symbol such as 2/3, 5/1, 8/5, used to describe one or more parts of a whole that is divided into equal parts. A fraction can name a part of a whole, a part of a set, a location on a number line, or a division of whole numbers. |

Estimate/estimation | To give an approximate value rather than an exact answer. |

Rounding | A process that determines which multiple of 10, 100, 1,000, and so on, a number is closest to. |

Compatible numbers | Numbers that are easy to compute mentally. |

Reasonable(ness) | Does the answer make sense? |

Model | When the real thing can’t be used, make a model. |

Area | The number of SQUARE units needed to cover a surface of figure; multiply; units must be written in square inches, square meters, or the number and exponent of 2 |

Perimeter | The distance around a figure; outer edge. |

Distributive property | Multiplying a sum or difference by a number is the same as multiplying each number in the sum or difference by the number & adding or subtracting the products. Exam: 3 x (10 +4) = (3 x 10) + (3 x 4) |

Associative Property of Multiplication | Factors can be regrouped & the product remains the same. Exam. 2 x (4 x 10) = (2 x 4) x 10 |

Associative Property of Addition | Addends can be regrouped & the sum remains the same. Exam. 1 + (3 + 5) = (1 + 3) + 5 |

Identity property of Addition | The sum of any number and zero is that number. Exam. 119 + 0 = 119. |

Identity Property of Multiplication | The product of any number and one is that number. Exam. 119 x 1 = 119 |

Commutative Property of Addition | The order of addends can be changed & the sum remains the same. Exam. 3 + 7 = 7 + 3 |

Commutative Property of Multiplication | The order of factors can be changed & the products remains the same. Exam. 3 x 5 = 5 x 3 |

Place value | The position of a digit in a number that is used to determine the value of the digit. |

Multiple | The product of a given whole number & any non-zero whole number. |

Communicate & Justify | Be able to explain the problem and how to solve it. |

Array | A way of displaying objects in rows & columns. |

Hexagon | A shape with 6 sides. |

Less than | < |

Greater than | > |