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Mrs. Reynolds Section 2
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Terms in this set (24)
Borrowing
To rearrange quantities in place value of numbers during calculations
Exchanging
To rearrange quantities in place value of numbers during calculations
Regrouping
To rearrange quantities in place value of numbers during calculations
Expanded From
A way of writing a number that shows the value of each digit
Celsius
A scale used on some thermometers to measure temperature.
Degree
A unit for measuring temperature.
Fahrenheit
A scale used on some thermometers to measure temperature
Scale
A type of number line used for measuring.
a.m..
The period of time from midnight to just before noon.
Digital form
When referring to clock time, digital form is a way to write time that uses a colon and a.m. or p.m.
Elapsed Time
The difference between a starting time and an ending time.
Midnight
12:00 a.m.
Noon
12:00 p.m.
p.m.
The period of time from noon to just before midnight
Multiple
A product of a counting number and another number
Round
to express a calculation or measure to a specific degree of accuracy
Centimeter
One hundredth of a meter
Kilometer
A metric unit of length equal to 1000 meters
Meter
The basic unit of length in the metric system.
Metric System
A international system of measurement in which units are related by a power of ten also called the international system.
Millimeter
A metric unit of length.
Perimeter
The distance around a closed flat shape.
U.S. Customary System
A system of measurement used almost exclusively in the United States.
Yard
A customary measurement of length.
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Verified questions
ADVANCED MATH
Let $\mathbb{R}^{\infty}$ be the subset of $\mathbb{R}^{\omega}$ consisting of all sequences that are "eventually zero," that is, all sequences $\left(x_{1}, x_{2}, \ldots\right)$ such that $x_{i} \neq 0$ for only finitely many values of i. What is the closure of $\mathbb{R}^{\infty}$ in $\mathbb{R}^{\omega}$ in the box and product topologies? Justify your answer.
ADVANCED MATH
Sally has hidden her brother’s birthday present somewhere in the backyard. When writing instructions for finding the present, she used a coordinate system with each unit on the grid representing 1 m. The positive y-axis of this grid points north. The instructions read “Start at the origin, walk halfway to (8, 6), turn $90 ^ { \circ }$ left, and then walk twice as far.” Where is the present? How far is it from the origin?
ADVANCED MATH
Criticize the following definitions in light of the eight rules for lexical definitions: A house is a structure made of wood or stone intended for human habitation.
ADVANCED MATH
Consider a long roll of wallpaper that repeats its pattern every yard. Four sheets of wallpaper must be cut from the roll. With reference to the beginning (point 0) of the wallpaper, the beginning and end of each sheet are located as shown in Table 78. Thus, sheet 1 begins 0.3 yd from the beginning of the roll (and 1.3 yd from the beginning of the roll) and sheet 1 ends 0.7 yd from the beginning of the roll (and 1.7 yd from the beginning of the roll). Assume we are at the beginning of the roll. In what order should the sheets be cut to minimize the total amount of wasted paper? Assume that a final cut is made to bring the roll back to the beginning of the pattern. TABLE 78: $$ \begin{matrix} \text{Sheet} & \text{Beginning (Yards)} & \text{End (Yards)}\\ \text{1} & \text{0.3} & \text{0.7}\\ \text{2} & \text{0.4} & \text{0.8}\\ \text{3} & \text{0.2} & \text{0.5}\\ \text{4} & \text{0.7} & \text{0.9}\\ \end{matrix} $$