anchor.diff:  2.NBT.5,Number And Operations In Base Ten,Use Place Value Understanding And Properties Of Operations To Add And Subtract.,"Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction."
   2.NBT.6,Number And Operations In Base Ten,Use Place Value Understanding And Properties Of Operations To Add And Subtract.,Add up to four two-digit numbers using strategies based on place value and properties of operations.
   2.NBT.7,Number And Operations In Base Ten,Use Place Value Understanding And Properties Of Operations To Add And Subtract.,"Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three- digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds."
  -2.NBT.8,Number And Operations In Base Ten,Use Place Value Understanding And Properties Of Operations To Add And Subtract.,"Mentally add 10 or 100 to a given number 100900, and mentally subtract 10 or 100 from a given number 100900."
  +2.NBT.8,Number And Operations In Base Ten,Use Place Value Understanding And Properties Of Operations To Add And Subtract.,"Mentally add 10 or 100 to a given number 100Ð900, and mentally subtract 10 or 100 from a given number 100Ð900."
   2.NBT.9,Number And Operations In Base Ten,Use Place Value Understanding And Properties Of Operations To Add And Subtract.,"Explain why addition and subtraction strategies work, using place value and the properties of operations.3"
   2.MD.1,Measurement And Data,Measure And Estimate Lengths In Standard Units.,"Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes."
   2.MD.2,Measurement And Data,Measure And Estimate Lengths In Standard Units.,"Measure the length of an object twice, using length units of different lengths for the two measurements; describe how the two measurements relate to the size of the unit chosen."
  
positive.code: 2.MD.5,Measurement And Data,Relate Addition And Subtraction To Length.,"Use addition and subtraction within 100 to solve word problems involving lengths that are given in the same units, e.g., by using drawings (such as drawings of rulers) and equations with a symbol for the unknown number to represent the problem."
  2.MD.6,Measurement And Data,Relate Addition And Subtraction To Length.,"Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2, ..., and represent whole-number sums and differences within 100 on a number line diagram."
  2.MD.7,Measurement And Data,Work With Time And Money.,"Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m."
  2.MD.8,Measurement And Data,Work With Time And Money.,"Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and  symbols appropriately. Example: If you have 2 dimes and 3 pennies, how many cents do you have?"
  2.MD.9,Measurement And Data,Represent And Interpret Data.,"Generate measurement data by measuring lengths of several objects to the nearest whole unit, or by making repeated measurements of the same object. Show the measurements by making a line plot, where the horizontal scale is marked off in whole-number units."
  2.MD.10,Measurement And Data,Represent And Interpret Data.,"Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put- together, take-apart, and compare problems4 using information presented in a bar graph."
  2.G.1,Geometry,Reason With Shapes And Their Attributes.,"Recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces.5 Identify triangles, quadrilaterals, pentagons, hexagons, and cubes."
  2.G.2,Geometry,Reason With Shapes And Their Attributes.,Partition a rectangle into rows and columns of same-size squares and count to find the total number of them.
  2.G.3,Geometry,Reason With Shapes And Their Attributes.,"Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape."
  3.OA.1,Operations And Algebraic Thinking,Represent And Solve Problems Involving Multiplication And Division.,"Interpret products of whole numbers, e.g., interpret 5 _ 7 as the total number of objects in 5 groups of 7 objects each. For example, describe a context in which a total number of objects can be expressed as 5 _ 7."
  3.OA.2,Operations And Algebraic Thinking,Represent And Solve Problems Involving Multiplication And Division.,"Interpret whole-number quotients of whole numbers, e.g., interpret 56  8 as the number of objects in each share when 56 objects are partitioned equally into 8 shares, or as a number of shares when 56 objects are partitioned into equal shares of 8 objects each. For example, describe a context in which a number of shares or a number of groups can be expressed as 56  8."
  3.OA.3,Operations And Algebraic Thinking,Represent And Solve Problems Involving Multiplication And Division.,"Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.1"
  3.OA.4,Operations And Algebraic Thinking,Represent And Solve Problems Involving Multiplication And Division.,"Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 _ ? = 48, 5 =   3, 6 _ 6 = ?."
  3.OA.5,Operations And Algebraic Thinking,Understand Properties Of Multiplication And The Relationship Between Multiplication And Division.,"Apply properties of operations as strategies to multiply and divide.2 Examples: If 6 _ 4 = 24 is known, then 4 _ 6 = 24 is also known. (Commutative property of multiplication.) 3 _ 5 _ 2 can be found by 3 _ 5 = 15, then 15 _ 2 = 30, or by 5 _ 2 = 10, then 3 _ 10 = 30. (Associative property of multiplication.) Knowing that 8 _ 5 = 40 and 8 _ 2 = 16, one can find 8 _ 7 as 8 _ (5 + 2) = (8 _ 5) + (8 _ 2) = 40 + 16 = 56. (Distributive property.)"
  3.OA.6,Operations And Algebraic Thinking,Understand Properties Of Multiplication And The Relationship Between Multiplication And Division.,"Understand division as an unknown-factor problem. For example, find 32  8 by finding the number that makes 32 when multiplied by 8."
  3.OA.7,Operations And Algebraic Thinking,Multiply And Divide Within 100.,"Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 _ 5 = 40, one knows 40  5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers."
  3.OA.8,Operations And Algebraic Thinking,"Solve Problems Involving The Four Operations, And Identify And Explain Patterns In Arithmetic.",Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.3
  3.OA.9,Operations And Algebraic Thinking,"Solve Problems Involving The Four Operations, And Identify And Explain Patterns In Arithmetic.","Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. For example, observe that 4 times a number is always even, and explain why 4 times a number can be decomposed into two equal addends."
  3.NBT.1,Number And Operations In Base Ten,Use Place Value Understanding And Properties Of Operations To Perform Multi-Digit Arithmetic.4,Use place value understanding to round whole numbers to the nearest 10 or 100.
  3.NBT.2,Number And Operations In Base Ten,Use Place Value Understanding And Properties Of Operations To Perform Multi-Digit Arithmetic.4,"Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction."
  3.NBT.3,Number And Operations In Base Ten,Use Place Value Understanding And Properties Of Operations To Perform Multi-Digit Arithmetic.4,"Multiply one-digit whole numbers by multiples of 10 in the range 1090 (e.g., 9 _ 80, 5 _ 60) using strategies based on place value and properties of operations."
  3.NF.1,Number And OperationsFractions5,Develop Understanding Of Fractions As Numbers.,Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.
  3.NF.2,Number And OperationsFractions5,Develop Understanding Of Fractions As Numbers.,Understand a fraction as a number on the number line; represent fractions on a number line diagram.
  3.NF.2.a,Number And OperationsFractions5,Develop Understanding Of Fractions As Numbers.,Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.
  3.NF.2.b,Number And OperationsFractions5,Develop Understanding Of Fractions As Numbers.,Represent a fraction a/b on a number line diagram by marking off a lengths 1/b from 0. Recognize that the resulting interval has size a/b and that its endpoint locates the number a/b on the number line.
  3.NF.3,Number And OperationsFractions5,Develop Understanding Of Fractions As Numbers.,"Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size."
  3.NF.3.a,Number And OperationsFractions5,Develop Understanding Of Fractions As Numbers.,"Understand two fractions as equivalent (equal) if they are the same size, or the same point on a number line."
  3.NF.3.b,Number And OperationsFractions5,Develop Understanding Of Fractions As Numbers.,"Recognize and generate simple equivalent fractions, e.g., 1/2 = 2/4, 4/6 = 2/3). Explain why the fractions are equivalent, e.g., by using a visual fraction model."
  3.NF.3.c,Number And OperationsFractions5,Develop Understanding Of Fractions As Numbers.,"Express whole numbers as fractions, and recognize fractions that are equivalent to whole numbers. Examples: Express 3 in the form 3 = 3/1; recognize that 6/1 = 6; locate 4/4 and 1 at the same point of a number line diagram."
  3.NF.3.d,Number And OperationsFractions5,Develop Understanding Of Fractions As Numbers.,"Compare two fractions with the same numerator or the same denominator by reasoning about their size. Recognize that comparisons are valid only when the two fractions refer to the same whole. Record the results of comparisons with the symbols >, =, or <, and justify the conclusions, e.g., by using a visual fraction model."
  3.MD.1,Measurement And Data,"Solve Problems Involving Measurement And Estimation Of Intervals Of Time, Liquid Volumes, And Masses Of Objects.","Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram."
  3.MD.2,Measurement And Data,"Solve Problems Involving Measurement And Estimation Of Intervals Of Time, Liquid Volumes, And Masses Of Objects.","Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l).6 Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units, e.g., by using drawings (such as a beaker with a measurement scale) to represent the problem.7"
  3.MD.3,Measurement And Data,Represent And Interpret Data.,"Draw a scaled picture graph and a scaled bar graph to represent a data set with several categories. Solve one- and two-step how many more and how many less problems using information presented in scaled bar graphs. For example, draw a bar graph in which each square in the bar graph might represent 5 pets."
  3.MD.4,Measurement And Data,Represent And Interpret Data.,"Generate measurement data by measuring lengths using rulers marked with halves and fourths of an inch. Show the data by making a line plot, where the horizontal scale is marked off in appropriate units whole numbers, halves, or quarters."
  3.MD.5,Measurement And Data,Geometric Measurement: Understand Concepts Of Area And Relate Area To Multiplication And To Addition.,Recognize area as an attribute of plane figures and understand concepts of area measurement.
  3.MD.5.a,Measurement And Data,Geometric Measurement: Understand Concepts Of Area And Relate Area To Multiplication And To Addition.,"A square with side length 1 unit, called a unit square, is said to have one square unit of area, and can be used to measure area."
  3.MD.5.b,Measurement And Data,Geometric Measurement: Understand Concepts Of Area And Relate Area To Multiplication And To Addition.,A plane figure which can be covered without gaps or overlaps by n unit squares is said to have an area of n square units.
  3.MD.6,Measurement And Data,Geometric Measurement: Understand Concepts Of Area And Relate Area To Multiplication And To Addition.,"Measure areas by counting unit squares (square cm, square m, square in, square ft, and improvised units)."
  3.MD.7,Measurement And Data,Geometric Measurement: Understand Concepts Of Area And Relate Area To Multiplication And To Addition.,Relate area to the operations of multiplication and addition.
  
negative.code: A.REI.12,Reasoning With Equations And Inequalities,Represent And Solve Equations And Inequalities Graphically,"Graph the solutions to a linear inequality in two variables as a half- plane (excluding the boundary in the case of a strict inequality), and graph the solution set to a system of linear inequalities in two variables as the intersection of the corresponding half-planes."
  F.IF.1,Interpreting Functions,Understand The Concept Of A Function And Use Function Notation,"Understand that a function from one set (called the domain) to another set (called the range) assigns to each element of the domain exactly one element of the range. If f is a function and x is an element of its domain, then f(x) denotes the output of f corresponding to the input x. The graph of f is the graph of the equation y = f(x)."
  F.IF.2,Interpreting Functions,Understand The Concept Of A Function And Use Function Notation,"Use function notation, evaluate functions for inputs in their domains, and interpret statements that use function notation in terms of a context."
  F.IF.3,Interpreting Functions,Understand The Concept Of A Function And Use Function Notation,"Recognize that sequences are functions, sometimes defined recursively, whose domain is a subset of the integers. For example, the Fibonacci sequence is defined recursively by f(0) = f(1) = 1, f(n+1) = f(n) + f(n-1) for n ³ 1."
  F.IF.4,Interpreting Functions,Interpret Functions That Arise In Applications In Terms Of The Context,"For a function that models a relationship between two quantities, interpret key features of graphs and tables in terms of the quantities, and sketch graphs showing key features given a verbal description of the relationship. Key features include: intercepts; intervals where the function is increasing, decreasing, positive, or negative; relative maximums and minimums; symmetries; end behavior; and periodicity._"
  F.IF.5,Interpreting Functions,Interpret Functions That Arise In Applications In Terms Of The Context,"Relate the domain of a function to its graph and, where applicable, to the quantitative relationship it describes. For example, if the function h(n) gives the number of person-hours it takes to assemble n engines in a factory, then the positive integers would be an appropriate domain for the function._"
  F.IF.6,Interpreting Functions,Interpret Functions That Arise In Applications In Terms Of The Context,Calculate and interpret the average rate of change of a function (presented symbolically or as a table) over a specified interval. Estimate the rate of change from a graph._
  