| Grade Level | Concept |
| 2.0 | Number eleven Number twelve Number thirteen Sums and differences, largest number 13 Number fourteen Number fifteen Addition and subtraction, second or third position missing, to 15 Number sixteen Number seventeen Number eighteen Number nineteen Column addition and subtraction, to 19 Adition of two or three numbers, subtraction, all equation format, to 19 |
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| 2.1 | Measurement, inches, feet Measurement, dozen, half dozen Application, money Telling time, on the hour or half hour Counting by twos, threes, fours, fives, tens Missing plus or minus signs Column addition, two digits, up to five rows Analysis of tens and ones in two digit notation Groups of ten Groups of tens and ones Equational sums to 10, mixed missing position Equational sums to 100, all numbers multiples of ten, mixed missing position Adding tens, using tens analysis Subtracting tens, using tens analysis Subtraction equations, largest number always 10, second or third position missing Subtraction equations, largest number always 100, all numbers multiples of ten |
| 2.2 | Counting 101 - 200 Analysis of three digit numbers in terms of hundreds, tens, and ones Addition and subtraction equations with variable in second position, to ten Addition and subtraction equations with variable in second position, to one hundred, all numbers multiples of ten Addition of hundreds, words and digits, largest number 900, all numbers multiples of 100 Addition with mixed notation, to 502 Three digit column addition, three rows Adding or subtracting by tens, fives, threes, and twos Order of months of the year Ordinal numbers, days of the week Fractions, one half shapes One half sets of objects and measurement Subsets, multiple choice answers, larger set missing Subsets, multiple choice answers, smaller set missing Subsets and equal sets, multiple choice answers Subsets with union argument missing, multiple choice answers Review of hundreds, tens, ones |
| 2.3 | Review of three digit column addition More on subsets and set operations, multiple choice answers Less than, set notation for numbers, multiple choice answers Less than, set notation and missing numerical answers Less than, mixed notation and multiple choice answers Less than, numerals only and mixed notation, multiple choice answers Less than, missing numerals Choose the missing sign, equal or less than Less than, multiple values for variable Less than and addition operation, multiple values for variables Finding sets of numbers satisfying two inequalities Finding sets Word problems on finding sets Finding sets of numbers satisfying two inequalities Word problems on finding sets Finding sets of numbers Set descriptions for finding sets |
| 2.4 | Set notation for finding sets Intro. to multiplication, mixed notation More intro to multiplication, mixed notation Multiplication, numerals Multiplication in word problems Concepts of length and width Application of multiplication: area More application of multiplication: area Intro. to multiplication and the symbol "×" Review of multiplication with product less than or equal to 14 Application of multiplication: word problems Multiplication and repeated addition, products less than or equal to 30 Intro. to multiplication table Multiplication and repeated addition, products less than or equal to 40 Multiplication equations, mixed position of unknown Multiplication equations using variables |
| 2.5 | Application of multipication: word problems Choice of arithmetic operation Fractional part 1/2 Application of fractions, word problems Fractional part 1/3 Application of fractions, word problems Fractional part 1/4 Application of fractions, word problems Denominator Numerator Fractional part 2/3 Fractional part 3/4 Review of fractional parts covered Adding fractions Word problems: Addition and subtraction, one digit Word problems: Addition and multiplication, one or two digits Addition equations with variable in first position Writing equations with variables for word problems |
| 2.6 | Writing equations with variables for word problems more to complete Addition equations with two variables Writing equations with two variables for word problems Solving word problems without equations Review of 2-digit subtraction, basic facts Review of area, addition and subtraction Review of multiplication and 1/2, 1/3, 1/4 Solving a pair of equations, one addition , one subtraction, using two variables, sums to 5 Solving a pair of equations, one addition , one subtraction, using two variables, sums 6 & 7 Solving a pair of equations, one addition , one subtraction, using two variables, sums from 8 to 11 Solving equations in two variables with word problems Solving a pair of equations, one addition , one subtraction, using two variables, sums from 12 to 15 Solving a pair of equations, one addition , one subtraction, using two variables, sums from 16 to 19 Writing two equations for word problems Review of addition and subtraction and multiplication, third position for unknown Review of addition and subtraction and multiplication, second position for unknown |
| 2.7 | Review of multiplication and fractions Review of word problems Review of sets Review of place value Carrying in additon Addition of two-digit numbers Word problems with carrying More word problems with carrying Carrying in column addition Addition of three digit numbers and addition in columns Three and four column addition Area Operations, choosing addition, subtraction, or multiplication Review of column multiplication Fractions, indicating fractional segments of figures |
| 2.8 | Addition of fractions Converting money from decimal to dollar and cent form Converting money from dollars and cents to decimal form Converting dollars to cents and cents to dollars Adding dollars and cents Drawing segments, triangles and quadrilaterals Inside and outside Boundary of a figure Convex and concave Intersection of segments and curves Vertex and vertices Inside and outside again Convex and concave again Ways: distance along a way Word problems about ways Simple ways and ways that are not simple Drawing simple ways Polygons, simple and not simple Sets of polygons with properties Drawing ways: simple polygons and other cases Word problems about ways |
| 2.9 | Review miscellaneous Union of sets using a set variable Difference of sets using a set variable Union and difference of sets using a set variable Union and difference of sets with two set variables More use of two set variables Review of set abstraction Review of intersection of sets Set operations with several set variables More sets and numbers, elementary operations Mixed notation for numbers in equations More mixed notation for numbers in equations Numbers represented by sets and use of set variables Review: choosing +, -, or x Sets and numbers Set abstraction again Finite and infinite sets Review |