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Searching for ## Whole Numbers and Integers

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Math Foundations

You will round whole numbers to the nearest hundred, thousand or ten thousand.

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After completing this tutorial, you will be able to complete the following:

- Round whole numbers to estimate quantities.
- Round whole numbers to estimate quantities in contextual situations.

Rounding is one way to estimate larger numbers. This Activity Object provides background and practice for rounding whole numbers. Students should have previously learned how to round whole numbers in upper elementary school; however, many students continue to inappropriately apply the rule for rounding.

Each digit in a number has a place value as shown in the place value chart below.

Based on the place value you are rounding to:

· If the digit to the right is less than 5, do not change the "rounding digit," but change all digits to the right of the "rounding digit" to zero.

If that digit is greater than or equal to 5, add one to the "rounding digit" and change all digits to the right of the "rounding digit" to zero.

Approximate Time | 10 Minutes |

Pre-requisite Concepts | Students should be familiar with whole numbers. |

Course | Math Foundations |

Type of Tutorial | Concept Development |

Key Vocabulary | whole numbers, round, rounding numbers |