🔵 Rounding Multi-Digit Numbers Day 23

Rounding Multi-Digit Numbers

Introduction

Mathematicians! The visual below is an awesome way to assist in remembering how to use our mathematical tools, the number line, in order to round whole numbers with a number line.  Let this artifact help you to solve the number riddles below that can prove to be a little more difficult without a number line.


Visual

First endpoint: 100s place in the number. Next endpoint: +100 more than the number. Plot halfway. Plot your number.

Rounding with a Number Line.pdf Download Rounding with a Number Line.pdf 


Assignment IconIndependent Practice: Number Riddles

Click "Next" to view the directions and complete the practice.

 

Choose the correct response based on the given clues.

  1.  The number rounded to the nearest thousand is 5,000.  The number is greater than 4,800.  The number is less than 5,000.  What number am I?  
    1. 5,009
    2. 4,670
    3. 5,900
    4. 4,900
  2. The number rounded to the nearest thousand is 1,000.  The number is less than 1,200.  The sum of the digits is 4. What number am I?
    1. 1,508
    2. 1489
    3. 1,111
    4. 964
  3. The number rounded to the nearest thousand is 20,000.  The number is less than 20,100.  The number is between 19,500 and 20,000.  What number am I?
    1. 19,055
    2. 20,080
    3. 20,399
    4. 19,671
  4. The number rounded to the nearest thousand is 145,000.  The number is more than 144,000 and less than 145,400. What number am I?
    1. 144,289
    2. 145,203
    3. 145, 511
    4. 145,099
  5. The number rounded to the nearest thousand is 340,000.  The number has a digit in the tens place that is ten times the digit value in the ones place.  What number am I?
    1. 335,943
    2. 340,983
    3. 339,471
    4. 340,099

 

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