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# Unit 1 - Section 1

### Place Value, Comparing Numbers, and Rounding

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

What is the definition of place value? | The position of a digit in a number. |

What is the definition of value? | How much a digit in a number is worth. |

How do you find the value of a digit? | value = digit * place value Multiply the digit by the place value. |

What is the order (from largest to smallest) of the place values on the place value chart? | millions, hundred thousands, ten thousands, thousands, hundreds, tens, ones |

What is the value of the 5 in 645,201? | 5,000 |

What digit is in the ten thousands place of the number 1,365,837? | 6 |

What is the rule, or pattern, as you go from the right to the left on the place value chart? | *10 |

Which place value is 10 times the ten thousands place? How do you know? | hundred thousands, because it is to the left of the ten thousands place. |

Compare the value of the digit 3 in Grady's number (4,302) and in Dalia's number (3,402). | The value of the 3 in Dalia's number is 10 times the value of the 3 in Grady's number. |

Complete the equation with a multiplication or division symbol (* or /): 510,000 = 51,000 ____ 10 | * (times) |

Write the following number in expanded form: 7,289,491 | 7,000,000 + 200,000 + 80,000 + 9,000 + 400 + 90 + 1 |

Put the following numbers in order from least to greatest: 241,204; 241,402; 214,422 | 214,422; 241,204; 241,402 |

Compare: 9,898,989 ____ 9,899,989 | < (less than) |

Write the greatest number possible with the following digits: 3 6 8 5 4 2 1 | 8,654,321 |

Round 5,391 to the nearest: a.) thousands b.) hundreds c.) tens | a.) 5,000 b.) 5,400 c.) 5,390 |

Round each number to the highest place value: a.) 561,029 b.) 392,261 c.) 1,696,386 d.) 25,602 e.) 9,382 | a.) 600,000 b.) 400,000 c.) 2,000,000 d.) 30,000 e.) 9,000 |

Created by:
Mr. Kearns