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# Decimals

Question | Answer |
---|---|

Whole number | Simply the numbers 0, 1, 2, 3, 4, 5, |

Decimal number | A number (based on the number 10) that contains a decimal point. From Latin decima: a tenth part). |

Decimal point | A point or dot used to separate the whole number part from the fractional part of a number. |

What are Decimals, Fractions and Percentages? | Just different ways of showing the same value. |

Write a Half as a decimal: | 0.5 |

Write a quarter as a decimal: | 0.25 |

The easiest way to divide by 100 is... | Move the decimal point 2 places to the left. |

The easiest way to multiply by 100 is to... | Move the decimal point 2 places to the right. |

The easiest way to convert a fraction to a decimal is to... | Divide the numerator by the denominator. |

The easiest way to convert a decimal to a fraction is to... | Say it, write it, simplify it. |

As we move left, each place value... | Is 10 times bigger |

As we move right, each place value... | Is 10 times smaller |

Place Value | The position (or "place") of each digit. |

Addition | Finding the total, or sum, by combining two or more numbers. |

Sum | The result of adding on number to another. |

Addend | The numbers being added together in an addition problem. |

Minuend | The number that is to be subtracted from. |

Subtrahend | The number that is to be subtracted. |

Difference | The result of subtracting one number from another. |

What are the rules for multiplying with decimals? | Multiply normally, ignoring the decimal points. Then put the decimal point in the answer - it will have as many decimal places as the two original numbers combined. |

What are the rules for adding and subtracting decimals? | Write down the numbers, with the decimal points lined up. Put in zeros so the numbers have the same length. Add, put the decimal point in the answer. |

What are the steps to Divide a decimal by a whole number? | Divide as usual, but place the decimal point in the same spot as the dividend. |

Dividend | The number being divided. |

What is the rule for dividing with by a decimals number? | You must shift the decimal point of both numbers in the problem to the right until you are dividing by a whole number. |

"Divisible by" means... | When you divide one number by another the result is a whole number. |