Learning Resource Type

Classroom Resource

Cyberchase Games: Rounding

Subject Area

Mathematics

Grade(s)

3, 4

Overview

Discover how rounding off numbers helps you estimate faster. Round the numbers and make an estimation about their totals in this interactive Cyberchase activity.

    Mathematics (2019) Grade(s): 3

    MA19.3.10

    Identify the nearest 10 or 100 when rounding whole numbers, using place value understanding.

    Unpacked Content

    UP:MA19.3.10

    Vocabulary

    • Place value
    • Round
    • Nearest 10
    • Nearest 100
    • Benchmark number
    • Midpoint

    Knowledge

    Students know:
    • Values of the digits in the ones, tens, and hundreds places.
    • How to determine what is halfway between two multiples of 10 or 100.
    • Strategies for rounding to the nearest 10 or 100.
    • Use place value vocabulary and logical reasoning to justify solutions when rounding.

    Skills

    Students are able to:
    • Round whole numbers to the nearest 10 or 100.
    • Identify a possible value for a number which will result in a given number rounded to the nearest 10 or 100.
      Example: What value will result in 270 when rounded to the nearest 10? Identify the possible values.

    Understanding

    Students understand that:
    • rounding is determining which ten or hundred a number is closer to.
    Mathematics (2019) Grade(s): 4

    MA19.4.9

    Round multi-digit whole numbers to any place using place value understanding.

    Unpacked Content

    UP:MA19.4.9

    Vocabulary

    • Round
    • Place value
    • Ones
    • Tens
    • Hundreds
    • Thousands
    • Ten thousands
    • Approximately
    • Halfway point

    Knowledge

    Students know:
    • The relationship among positions of digits in a number and place value. They can use that knowledge to round numbers to nay place.

    Skills

    Students are able to:
    • Use place value strategies to round multi-digit whole numbers to any place.

    Understanding

    Students understand that:
    • rounding multi-digit numbers is an estimation strategy used when writing the original number as the closest multiple of a power of 10.
    Link to Resource

    CR Resource Type

    Interactive/Game

    Resource Provider

    PBS
    Accessibility
    License

    License Type

    CUSTOM
    ALSDE LOGO