MTE 280. INVESTIGATING QUANTITY

INTEGERS

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Whole counting numbers (+) and their opposites (-) on a number line. Bank AccountsAltitudeTemperature0 = Origin

OPERATIONS

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Chip Method/ Positive & Negative Charge MethodLINK TO VIDEO - https://youtu.be/l6MKcyuqUYsNumber Linehttps://youtu.be/TPJjGMROQocAbsolute Value -Distance from Originhttps://youtu.be/r6hS_8nm1jM

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CONCEPTS

WHOLE NUMBERS

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Numbers that aren't fractions, decimals, or negative. (ex. 2, 27893)

PROPERTIES

MODELS

ALGORITHM

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al·go·rithmˈalɡəˌriT͟Həm/nouna process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.ALT ALG: Expanded Notation

STRATEGIES

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SUBTRACTION: Decomposition, Compensation, Number Line, Counting on

NUMBER SYSTEMS

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Hindu-Arabic (OURS)RomanGreekMayanUse different kind of bases. US uses base "10"

BASES

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Base 2: 0,1,10,11Base 3: 0,1,2,10,11,12Base 4: 0,1,2,3,Base 5: 0,1,2,3,4Base 10: 0,1,2,3,4,5,6,7,8,9

Fractions

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Fractions represent broken up parts of whole numbers. For example a pie can be cut into equal slices and a cookie can be broken into parts that make up a whole.Counting Fractional Parts: Iteration-Top number counts (numerator)-bottom number tells what is being counted (denominator)Improper fractions -https://youtu.be/-imFslMIN1g

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MODELS/CONCEPTS

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Area/Region Model ("Fair-share")https://youtu.be/_-JAEptalo0Linear/Length Modelhttps://youtu.be/SJ46hL_WRzQSet/Individual Modelhttps://youtu.be/MkFs11eEu9o

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DECIMALS

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dec·i·malˈdes(ə)məl/nounplural noun: decimalsa fraction whose denominator is a power of ten and whose numerator is expressed by figures placed to the right of a decimal point.the system of decimal numerical notation.https://www.mathsisfun.com/decimals.html

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Operations