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5th Grade Unit 2 Vocabulary Everyday Math EM4
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Key Concepts:
Terms in this set (21)
dividend
In division, the number that is being divided.
divisor
In division, the number that divides another number.
expanded form
A way of writing a number that is the sum of the value of the digits.
exponent
A small elevated number used in exponential notation.
exponential notation
A nickname to show a number being multiplied by itself.
number model
Same as an expression.
standard notation
The most common way to write numbers using digits.
remainder
The amount left over after dividing.
quotient
The result of dividing one number by another.
power of 10
A number written as a multiple of 10s. (for example: 100 is 10 x 10)
place value
The value of a digit depending on its place in a number.
dividend
The number "35" in: 35 ÷ 7 = 5
divisor
The number "5" in: 35 ÷ 5 = 7
expanded form
5,123 = 5000 + 100 + 20 + 3
expanded form using exponential notation
5,123 = (5 x 10^3) + (1 x 10^2) + (2 x 10^1) + (3 x 10^0)
expanded form using powers of 10
5,123 = (5 x 1000) + (1 x 100) + (2 x 10) + (3 x 1)
number model
[2 x (6 + 3) ] - 4
quotient
The number "7" in: 35 ÷ 5 = 7
remainder
The number "3" in: 38 ÷ 7 = 5r3
base number
The bottom number in an exponential expression.
area model
a model for multiplication: length and width are factors, the area is the product
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