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2.NO
Number, operation, and quantitative reasoning.
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2.111.14.2.1
The student understands how place value is used to represent whole numbers.
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2.111.14.2.1.A
use concrete models of hundreds, tens, and ones to represent a given whole number (up to 999) in various ways;
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2.111.14.2.1.B
use place value to read, write, and describe the value of whole numbers to 999; and
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2.111.14.2.1.C
use place value to compare and order whole numbers to 999 and record the comparisons using numbers and symbols (<, =, >).
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2.111.14.2.2
The student describes how fractions are used to name parts of whole objects or sets of objects.
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2.111.14.2.2.A
use concrete models to represent and name fractional parts of a whole object (with denominators of 12 or less);
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2.111.14.2.2.B
use concrete models to represent and name fractional parts of a set of objects (with denominators of 12 or less); and
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2.111.14.2.2.C
use concrete models to determine if a fractional part of a whole is closer to 0, ½, or 1.
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2.111.14.2.3
The student adds and subtracts whole numbers to solve problems.
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2.111.14.2.3.A
recall and apply basic addition and subtraction facts (to 18);
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2.111.14.2.3.B
model addition and subtraction of two-digit numbers with objects, pictures, words, and numbers;
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2.111.14.2.3.C
select addition or subtraction to solve problems using two-digit numbers, whether or not regrouping is necessary;
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2.111.14.2.3.D
determine the value of a collection of coins up to one dollar; and
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2.111.14.2.3.E
describe how the cent symbol, dollar symbol, and the decimal point are used to name the value of a collection of coins.
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2.111.14.2.4
The student models multiplication and division.
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2.111.14.2.4.A
model, create, and describe multiplication situations in which equivalent sets of concrete objects are joined; and
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2.111.14.2.4.B
model, create, and describe division situations in which a set of concrete objects is separated into equivalent sets.
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2.PAT
Patterns, relationships, and algebraic thinking.
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2.111.14.2.5
The student uses patterns in numbers and operations.
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2.111.14.2.5.A
find patterns in numbers such as in a 100s chart;
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2.111.14.2.5.B
use patterns in place value to compare and order whole numbers through 999; and
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2.111.14.2.5.C
use patterns and relationships to develop strategies to remember basic addition and subtraction facts. Determine patterns in related addition and subtraction number sentences (including fact families) such as 8 + 9 = 17, 9 + 8 = 17, 17 - 8 = 9, and 17 - 9 = 8.
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2.111.14.2.6
The student uses patterns to describe relationships and make predictions.
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2.111.14.2.6.A
generate a list of paired numbers based on a real-life situation such as number of tricycles related to number of wheels;
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2.111.14.2.6.B
identify patterns in a list of related number pairs based on a real-life situation and extend the list; and
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2.111.14.2.6.C
identify, describe, and extend repeating and additive patterns to make predictions and solve problems.
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2.GEO
Geometry and spatial reasoning.
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2.111.14.2.7
The student uses attributes to identify two- and three-dimensional geometric figures. The student compares and contrasts two- and three-dimensional geometric figures or both.
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2.111.14.2.7.A
describe attributes (the number of vertices, faces, edges, sides) of two- and three-dimensional geometric figures such as circles, polygons, spheres, cones, cylinders, prisms, and pyramids, etc.;
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2.111.14.2.7.B
use attributes to describe how 2 two-dimensional figures or 2 three-dimensional geometric figures are alike or different; and
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2.111.14.2.7.C
cut two-dimensional geometric figures apart and identify the new geometric figures formed.
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2.111.14.2.8
The student recognizes that a line can be used to represent a set of numbers and its properties.
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2.111.14.2.8.A
The student is expected to use whole numbers to locate and name points on a number line.
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2.MEA
Measurement.
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2.111.14.2.9
The student directly compares the attributes of length, area, weight/mass, and capacity, and uses comparative language to solve problems and answer questions. The student selects and uses nonstandard units to describe length, area, capacity, and weight/mass. The student recognizes and uses models that approximate standard units (from both SI, also known as metric, and customary systems) of length, weight/mass, capacity, and time.
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2.111.14.2.9.A
identify concrete models that approximate standard units of length and use them to measure length;
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2.111.14.2.9.B
select a non-standard unit of measure such as square tiles to determine the area of a two-dimensional surface;
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2.111.14.2.9.C
select a non-standard unit of measure such as a bathroom cup or a jar to determine the capacity of a given container; and
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2.111.14.2.9.D
select a non-standard unit of measure such as beans or marbles to determine the weight/mass of a given object.
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2.111.14.2.10
The student uses standard tools to estimate and measure time and temperature (in degrees Fahrenheit).
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2.111.14.2.10.A
read a thermometer to gather data;
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2.111.14.2.10.B
read and write times shown on analog and digital clocks using five-minute increments; and
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2.111.14.2.10.C
describe activities that take approximately one second, one minute, and one hour.
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2.PROB
Probability and statistics.
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2.111.14.2.11
The student organizes data to make it useful for interpreting information.
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2.111.14.2.11.A
construct picture graphs and bar-type graphs;
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2.111.14.2.11.B
draw conclusions and answer questions based on picture graphs and bar-type graphs; and
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2.111.14.2.11.C
use data to describe events as more likely or less likely such as drawing a certain color crayon from a bag of seven red crayons and three green crayons.
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2.PROC
Underlying processes and mathematical tools.
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2.111.14.2.12
The student applies Grade 2 mathematics to solve problems connected to everyday experiences and activities in and outside of school.
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2.111.14.2.12.A
identify the mathematics in everyday situations;
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2.111.14.2.12.B
solve problems with guidance that incorporates the processes of understanding the problem, making a plan, carrying out the plan, and evaluating the solution for reasonableness;
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2.111.14.2.12.C
select or develop an appropriate problem-solving plan or strategy including drawing a picture, looking for a pattern, systematic guessing and checking, or acting it out in order to solve a problem; and
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2.111.14.2.12.D
use tools such as real objects, manipulatives, and technology to solve problems.
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2.111.14.2.13
The student communicates about Grade 2 mathematics using informal language.
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2.111.14.2.13.A
explain and record observations using objects, words, pictures, numbers, and technology; and
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2.111.14.2.13.B
relate informal language to mathematical language and symbols.
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2.111.14.2.14
The student uses logical reasoning.
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2.111.14.2.14.A
The student is expected to justify his or her thinking using objects, words, pictures, numbers, and technology.
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