-Variability
and ChangeStudents
describe the relationships among variables, predict what will happen to
one variable as another variable is changed, analyze natural variation
and sources of variability, and compare patterns of change.
The learner will be able to:
- identify, analyze, and describe
change using a table to record and then identify the pattern when
playing "What's my rule?" or using an input/output
machine.
- explore how the element of
chance makes any set of data subject to variation.
- plot coordinate graphs.
- continue a growing pattern.
- use knowledge of variability
and change to make and defend their conjectures and predictions and
to solve problems-such as explaining a prediction for the next term.
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-Shape
and Shape Relationships-
Students develop spatial sense,
use shape as an analytic and descriptive tool, identify characteristics
and define shapes, identify properties and describe relationships among
shapes. The
learner will be able to:
- create models of 2 and 3
dimensional shapes using clay, straws, or paperclips and explore
their uses.
- understand the following terms:
plane, solid, lines and angles, linear, line, ray, segment,
parallel, and perpendicular.
- use specific language to
describe shapes. Ex. The opposite sides of a rectangle are
parallel, 6 faces of a cube are congruent.
- explore attributes of
quadrilaterals (square, rectangle, parallelogram, rhombus,
trapezoid).
- classify shapes by an attribute
such as: has corners, one curved edge, no curved edge.
- compare two shapes on a
geoboard by describing length.
- identify congruent shapes.
- explore attributes of
triangles.
- construct a shapes on the
geoboard and then record the shape on dot paper.
- use 4", 6", 8"
straws to construct as many triangles as possible and them record
results in a table.
- use tangram pieces to explore
sliding, flipping, and turning.
- explore rotations with tangrams.
- continue to discover
symmetrical properties by folding and reflective devices.
- draw, trace, and use models to
illustrate concepts of parallel and perpendicular lines.
- cut boxes to show what
2-dimensional shapes come together to form the original 3-D shape.
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-Position-
Students identify location
relative to other objects, and describe the effects of transformations
(e.g., sliding, flipping, turning, enlarging, reducing) on an object.
The learner will be able to:
- give positions of pegs on the
geoboard as inside or outside of the geoboard.
- create patterns or designs on
coordinate girds using number pairs.
- decide which letters of the
alphabet have lines or rotational symmetry.
- find a specific point on a map
using ordered pairs.
- locate cities on a map by
directional base: N, S, E, W.
- find and describe objects that
reequidistant to, parallel to, a perpendicular to each other.
- explore what happens when an
object is enlarged or reduced.
- list steps necessary to ravel
from the classroom to....
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-Measurement-
Students compare attributes of two
objects, or of one object with a standard (unit), and analyze situations
to determine what measurement (s) should be made and to what level of
precision.
The learner will be able to:
- discover why there is a need
for a standard unit of measurement.
- decide the best way to make
change for money.
- use bus, airline, train
schedules, TV, and movie schedules to explore the idea of elapsed
time.
- cover a grid with a tracing of
their foot and find out how many units are inside/outside the
tracing.
- model a scale drawing of a room
at home or school.
- explore enlarging or reducing
pictures using a square grid.
- read labels to determine volume
and weight.
- simulate purchases to determine
change due.
- analyze date and make
decisions.
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-Collection,
Organization and Presentation of Data-
Students collect and explore data,
organize data into a useful form and develop skill in presenting and
reading data displayed in different forms. The
learner will be able to:
- raise questions related to
their interests and activities which can be answered by collecting,
organizing, and presenting data.
- will organize and present data
using different formats such as: tallies, tables, picture graphs,
bar graphs, circle graphs, line graphs, coordinate graphing, tree
diagrams.
- find examples of data
presentation (e.g., newspaper, baseball card).
- identify what data need to be
collected to answer a question or solve a problem, and suggest
strategies for collecting and presenting their data.
- use current data-analysis
activities to surface new questions and explorations.
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-Description
and Interpretation-
Students examine data and describe
characteristics of the distribution; and they relate data to the
situation from which they arose and use data to answer questions
convincingly and persuasively. The
learner will be able to:
- describe and explain data
representations. (a bar graph from the newspaper, Top 5 from TFK,
Science and Social Studies Texts).
- provide an appropriate title
for a graph.
- write a summary about the
results of a survey.
- use data to defend conclusions
and to convince others.
- collect and discuss data
displays from print materials, such as newspapers, magazines, and
identifying the source of the data.
- discuss what data represents.
- different representations of
the same set of data can communicate different information about
data, such as comparing the ways different groups of students
displayed the same set of data.
- compare and contrast different
sets of data.
- consider how different
representations of the same set of data can be used to communicate
different information about data.
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-Inference
and Prediction-
Students draw defensible
inferences about unknown outcomes; make predictions and identify the
degree of confidence they have in their prediction. The
learner will be able to:
- explore how the element of
chance makes any set of data subject to variation.
- explore the concept of
randomness such as drawing students' names at random and collecting
data to see how often each student's name is drawn.
- determine whether events are
likely, unlikely, or equally likely to occur based on the data
collected.
- make and justify predictions
made from analyzing data.
- solve data-analysis problems
using an investigative approach which encourages: 1) raising
questions and brainstorming, 2) understanding the problem, 3)
gathering and exploring data, 4) describing, interpreting and
analyzing data making inferences and predictions, 5) making and
implementing decisions reflecting back.
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-Concepts
and Properties of Numbers-
Students experience counting and
measuring activities to develop intuitive sense about numbers; develop
understanding about properties of numbers; understand the need for and
the existence of different sets of numbers; and investigate properties
of special numbers. The
learner will be able to:
- investigate the base-ten
numeration system using tens frames and hundreds charts to recognize
the quantity of numbers, and the calculator to discover number
patterns using the constant feature.
- develop place-value concepts by
using base-ten blocks to show trading for regrouping purposes and
representing a quantity using a place-value holder.
- apply their understanding to
solve problems such as: 1) talking about and recognizing uses of
numbers in the environment by reading bottles, boxes, clocks,
license plates, meter sticks, money values, phone numbers, road
signs, rulers, scales, watches. 2) working with problems like
"If I have 2 bags of candy bars with 14 candy bars in each,
will I have enough fro everyone in our class? Too many?
How many is not enough? How many am I short?
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| -Representation
and Uses of Numbers-
Students recognize that numbers
are used in different ways like counting, measuring, estimating and
ordering; understand and produce multiple representations of a number;
and translate among equivalent representation.
The learner will be able to:
- represent whole numbers,
fractions, and decimals in concrete, pictorial forms by using the
ten frame or hundreds chart to display a given quantity.
- use fraction pie charts to
shade in a given quantity and show relationships between fraction
families.
- use decimal mats or graph paper
to shade in a given quantity.
- demonstrate how many ways they
can represent 35 by using base-ten blocks, counters, money values,
and answering, "How do you know you have found all possible
combinations?"
- demonstrate how fractions can
be equivalent (e.g. 1/2 = 3/6) using concrete materials.
- use strategies for estimation
like front end, rounding, and compatible numbers and then evaluating
the reasonableness of the answer.
- mentally estimate sums and the
corresponding differences and then decide if the calculation is an
overestimate or underestimate.
- select the appropriate
information from a word problem and solve it.
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-Number
Relationships-
Students investigate relationships
such as equality, inequality, inverses, factors and multiple; and
represent and compare very large and very small numbers.
The learner will be able to:
- represent, compare, and order
whole numbers to 10,000 using words and symbols (e.g.
"equals" (=), "less than" (<) or
"greater than" (>).
- add and subtract using the
decimal notation and symbols.
- find and recognize simple
fractions.
- develop strategies to classify
numbers as even or odd.
- explore concepts of factors and
multiples.
- use repeated addition, count by
multiples, and make arrays to demonstrate and understanding of
factors and multiples.
- know multiplication facts to 9
x 9.
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-Operations
and their Properties-
Students understand and use
various types of operations (e.g., addition, subtraction,
multiplication, and division) to solve problems.
The learner will be able to:
- model operations with concrete
objects, connecting the manipulative model to a symbolic/recorded
action.
- relate models to standard
expressions and algorithms.
- explain their reasoning for the
selection of method and thinking.
- know which operation to perform
in a given situation.
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Algebraic and Analytic Thinking-
Students analyze problems to
determine an appropriate process for solution and they use algebraic
notations to model or represent problems.
The learner will be able to:
- model different meanings/uses
for variables.
- create pictorial
representations.
- construct tables of input and
output.
- use a balance scale to write
algebraic sentences requiring equivalent weights like: m large paper
clips weight the same as y small paper clips.
- create and solve simple open
sentences (e.g., number sentences with missing numbers or
operational signs).
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-Probability-
Students develop and
understanding of the notion of certainty and of probability as a measure
of the degree of likelihood that can be assigned to a given event based
on the knowledge available; and, they make critical judgments about
claims that are made in probabilistic situations. The
learner will be able to:
- explore and discuss everyday
experiences (e.g., weather, sports, and games) which involve chance.
- explore ways to model the
probability of an event occurring.
- list the possible outcomes of a
simple event (e.g., tossing a coin, pulling colored marbles out of a
bag) and predict whether outcomes are certain, likely, unlikely, or
impossible.
- explore counting problems and
experiments which involve recording outcomes of events.
- develop strategies for
recording outcomes of events - such as pictures and tree diagrams.
- conduct simple probability
experiments where they can discuss possibilities, make predictions,
experiment, and then compare results with the expected outcome.
- use two-spinner activities to
introduce combining outcomes.
- use an investigative approach
to probability which engages them in: 1) recording and studying
possible outcomes, 2) examining results to see if they make sense,
3) searching for reasonable explanations for outcomes, 4) exploring
probability as ratio or fraction, 5) exploring how conditions affect
the outcome.
- experiment with methods which
generate random outcomes in order to develop a feel for randomness.
- look at a spinner or toss a
coin, and tell whether the situation seems fair or unfair, whether
outcomes are equally likely or whether outcomes should, or should,
not, occur an equal number of times.
- discuss situations where
results do not "come our right" and explore how the
element of chance makes any set of data subject to variation.
- make spinners that model
certain probabilities.
- investigate the likelihood of a
event and use data as the basis for making probability statements -
such as predicting what types of books children most frequently
check out of the library.
- use results of probability
experiments to predict future events.
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-Discrete
Mathematics-
Students investigate practical
situations such as scheduling routing sequencing, networking organizing
and classifying; and analyze ideas like recurrence relations, induction
and algorithm design.
The learner will be able to:
- explore a variety of problems
which involve counting and arranging objects.
- explore simple permutation,
where the order of objects is important, and combinations, where
order is not important.
- use diagrams (arrows, Venn
diagrams) to represent relationships.
- explore situations (e.g.,
networks, relationships, routes, circuits) which can be modeled
using vertices connected by edges.
- connect vertex-edge graphs to
familiar experiences such as planning trips or shortest paths,
planning bus routes.
- explore patterns activities
which repeat a procedure over and over to develop a sequence.
- explore pattern activities
which involve trying to describe what comes next by looking at
previous steps.
- sequence events.
- reassemble short
stories/nursery rhymes/cartoons that have been cut apart.
- develop and use a variety of
strategies and approaches to solve problems and explain the
approaches that others use.
- look for multiple solutions to
a problem.
- discuss whether there is a best
solution.
- justify their thinking as a way
to help clarify their reasoning such as asking questions like:
Why? How do you know? What makes you think that?
- coloring maps/drawings with
fewest colors so regions sharing boundaries do not use the same
color (minimize conflicts).
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