In one instance, the LS - TPACK framework was used to assess an LSG's TPACK related to teaching systems of equations
using graphing calculators.
For example, freshmen learning to
use graphing calculators interview museum visitors about their favorite exhibits and then graph the statistics they've gathered.
Their textbooks (and, probably, their teachers too) encouraged them to
use a graphing calculator.
Comparing the first lesson to the second, the two entrenched reasons for not
using the graphing calculator to make connections among representations and solution strategies were perceived time constraints and the fact that students would not be explicitly asked to make such comparisons on the state's standardized test.
The university faculty member reviewing the initial written lesson commented on the need to have students
use the graphing calculator to make connections among the algebraic, tabular, and graphical representations of functions.
A few students tried
using the graphing calculator and matrices to solve systems that had no solution, and the calculator produced an error message because the corresponding matrices were not invertible.
For example, the first inference drawn about teachers» knowledge in this paper might motivate the formation of items that measure teachers» knowledge of
using the graphing calculator to facilitate the exploration of multiple representations and solution strategies for systems of equations.
This baseline knowledge is an important prerequisite to learning to
use the graphing calculator more effectively in the classroom.
They acknowledged that in some situations black box use was detrimental to helping students develop mathematical understanding, but also gave examples of classroom situations where students can
use graphing calculators to make sense of mathematical concepts before doing hand computations.
Not exact matches
Those in the lower rungs (an increasing section, mind you) will be relegated to Algebra 1, and courses like «
Using A
Calculator To Plot A
Graph» or «Statistics for Those Who Weren't Allowed to Take Algebra 2.»
Rover was built specifically for
use in the classroom and lets students write programs on their TI
graphing calculators, learning how to get Rover's wheels turning and their minds learning in a fun, interactive and hands - on way.
A relatively small percentage of those working within the field of instructional technology are fluent with
graphing calculators or commonly
used tools such as the Geometer's Sketchpad, for example (see Figure 1).
Use and mastery of digital, interactive tools such as
graphing calculators and geometry software in assessment is good practice.
I am not talking about classroom sets of
graphing calculators, not that there is anything wrong with that, but I'd take that $ 175 per device, buy a Chromebook,
use one of the many free and high quality online
calculators, and have the technology to do so much more.
Computerized and online assessments, educators are discovering, will require kids to have certain digital skills:
using a mouse, highlighting text, dropping and dragging text, drawing lines and creating
graphs on a screen, operating an online
calculator,
using scroll bars (the «bubble in the straw»), and keyboarding, to name a few.
Although
graphing calculators open up new learning experiences like the ability to generate and compare multiple representations efficiently, they also pose a pedagogical dilemma: When should students be allowed to
use the technology, and when should they
use paper and pencil?
In addition, prospective teachers needed a
graphing calculator, spreadsheet, and all dynamic software programs
used in the curriculum text for the course (Lee, Hollebrands, & Wilson, 2010).
The main idea developed in the lesson was how to
use the matrix multiplication capabilities of the
graphing calculator to solve systems of equations.
I'm going to experiment
using this app to teach various
graph topics this year, letting pupils
use this on their iPod Touch rather than
using a graphic
calculator.
These
uses are particularly suited for specific disciplines «
graphing calculators were designed to support mathematics education, not English education.
Technology workshops from Cosenza & Associates, LLC, focus on
using particular technology tools, such as
graphing calculators, in service of learning content as described in the mathematics TEKS.
Spreadsheets and
graphing calculators are an integral part of the math education curriculum, but are less relevant to the social studies curriculum, which may focus on technologies such as
use of online primary source documents to facilitate inquiry (for example).
Garofalo et al. (2000) and Flores et al. (2002) described scaffolded mathematics content learning, in which preservice teachers were assigned mathematics problems to solve
using technologies such as parametric
graphing with
graphing calculators or exploring Pythagorean theorem
using The Geometer's SketchPad.
You can
use a retirement
calculator to get similar results, Every online broker has one — with cooler charts and
graphs too.
When you're selecting the best
graphing calculator, consider the course you're taking and whether you'd like to
use the
calculator on a standardized test like the PSAT, SAT, ACT or AP exams.
I know by experience that many online
calculators seem to provide numbers without any thought of who will be
using them or what information the user truly needs.Many of us learn things visually (rather than just reading a manual) and appreciate
graphs that explain how credit card debt elimination will work while others prefer reading text and numbers for an explanation of the process.
I had
used the wrong
calculator in making the original
graphs.
This
graph shows the general relationship between stocks and bonds in the period 1971 to 2015 in an investment portfolio
using the
calculator available at «Portfolio Visualizer».
I
used this water density
calculator to create the
graph below showing how one kilogram of sea water expands with temperature.