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2.2.1
Use patterns to describe the world and to solve problems.
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2.2.1.1
Demonstrate an understanding of repeating patterns (three to five elements) by:
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2.2.1.1.a
describing patterns using manipulatives, diagrams, sounds and actions.
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2.2.1.1.b
extending patterns using manipulatives, diagrams, sounds and actions.
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2.2.1.1.c
comparing patterns using manipulatives, diagrams, sounds and actions.
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2.2.1.1.d
creating patterns using manipulatives, diagrams, sounds and actions.
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2.2.1.2
Demonstrate an understanding of increasing patterns by:
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2.2.1.2.a
describing numerical (numbers to 100) and non-numerical patterns using manipulatives, diagrams, sounds and actions.
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2.2.1.2.b
reproducing numerical (numbers to 100) and non-numerical patterns using manipulatives, diagrams, sounds and actions.
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2.2.1.2.c
extending numerical (numbers to 100) and non-numerical patterns using manipulatives, diagrams, sounds and actions.
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2.2.1.2.d
creating numerical (numbers to 100) and non-numerical patterns using manipulatives, diagrams, sounds and actions.
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2.2.1.3
Sort a set of objects, using two attributes, and explain the sorting rule.
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2.2.2
Represent algebraic expressions in multiple ways.
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2.2.2.4
Demonstrate and explain the meaning of equality and inequality, concretely and pictorially.
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2.2.2.5
Record equalities and inequalities symbolically, using the equal symbol or the not equal symbol.
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2.3.1
Use direct and indirect measurement to solve problems.
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2.3.1.1
Relate the number of days to a week and the number of months to a year in a problem-solving context.
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2.3.1.2
Relate the size of a unit of measure to the number of units (limited to nonstandard units) used to measure length and mass (weight).
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2.3.1.3
Compare and order objects by length, height, distance around and mass (weight), using nonstandard units, and make statements of comparison.
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2.3.1.4
Measure length to the nearest nonstandard unit by:
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2.3.1.4.a
using multiple copies of a unit
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2.3.1.4.b
using a single copy of a unit (iteration process).
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2.3.1.5
Demonstrate that changing the orientation of an object does not alter the measurements of its attributes.
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2.3.2
Describe the characteristics of 3-D objects and 2-D shapes, and analyze the relationships among them.
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2.3.2.6
Sort 2-D shapes and 3-D objects, using two attributes, and explain the sorting rule.
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2.3.2.7
Describe, compare and construct 3-D objects, including:
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2.3.2.7.a
cubes
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2.3.2.7.b
spheres
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2.3.2.7.c
cones
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2.3.2.7.d
cylinders
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2.3.2.7.e
pyramids.
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2.3.2.8
Describe, compare and construct 2-D shapes, including:
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2.3.2.8.a
triangles
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2.3.2.8.b
squares
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2.3.2.8.c
rectangles
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2.3.2.8.d
circles.
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2.3.2.9
Identify 2-D shapes as parts of 3-D objects in the environment.
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