<p> Vocabulary Grades K-6</p><p>Grade K</p><p>Topic 1 Lesson 1 one two three count Lesson 3 number Lesson 4 four five Topic 2 Lesson 1 more (than) fewer (than) same as same number of column row Lesson 2 1 more 2 more Lesson 3 1 fewer (than) 2 fewer (than) Lesson 4 zero none Lesson 6 as many Lesson 7 order Lesson 8 first second third fourth fifth Lesson 9 fewest most Topic 3 Lesson 1 six seven Lesson 3 eight nine Lesson 5 ten Lesson 7 growing pattern Topic 4 Lesson 1 greater less Lesson 9 order number line forward backward Topic 5 Lesson 1 eleven twelve Lesson 2 thirteen fourteen fifteen Lesson 3 sixteen seventeen Lesson 4 eighteen nineteen twenty Topic 6 Lesson 2 about Lesson 3 hundred chart row column Lesson 5 count by 2s count by 5s count by 10s Topic 7 Lesson 1 number story join in all Lesson 3 all together Lesson 4 add plus sign Lesson 5 equal sign sum Lesson 6 addition sentence Topic 8 Lesson 1 lift separate Lesson 2 take away Lesson 5 minus sign (-) subtract Lesson 6 difference Lesson 7 subtraction sentence Topic 9 Lesson 1 whole part Topic 10 Lesson 3 How many more? Topic 11 Lesson 1 double ten-frame set Topic 12 Lesson 2 length shorter (than) longer (than) as long as (same length as) Lesson 3 longest shortest Lesson 5 height taller (than) as tall as Lesson 6 tallest Lesson 7 holds more holds less empty full most least Lesson 8 weight lighter (than) weighs less heavier (than) Topic 13 Lesson 1 same (alike) different Lesson 2 sort does not belong Lesson 5 sorting rule Lesson 6 real graph Lesson 7 picture graph Topic 14 Lesson 1 rectangle side corner Lesson 2 square Lesson 3 circle Lesson 4 triangle Lesson 5 hexagon Lesson 6 cone cylinder sphere cube Lesson 7 flat surface Topic 15 Lesson 1 inside (in) outside (out) Lesson 2 above (over) below (under) on (top of) Lesson 3 in front of behind next to beside Lesson 4 left right Topic 16 Lesson 1 same size same shape Lesson 3 roll stack slide</p><p>Step-Up to Grade 1 Lessons Vocabulary Lesson 1 add, sum, addition sentence, plus (+), equals(=) Lesson 2 join Lesson 3 order, addend Lesson 4 subtract, difference, subtraction sentence, minus sign, equal sign Lesson 5 take away Lesson 6 fact family Lesson 7 tens Lesson 9 sort, side, corner Lesson 10 flat surface, vertex (vertices) Grade 1</p><p>Topic 1 Lesson 2 in all inside outside Lesson 3 part whole double Lesson 5 plus (+) add sum addition sentence equals (=) Lesson 6 join Lesson 7 order addend Topic 2 Lesson 1 missing part Lesson 4 subtract difference subtraction sentence minus sign equal sign Lesson 5 take away Lesson 6 compare Lesson 10 same amount Topic 4 Lesson 3 near double Lesson 6 2 less than 1 less than 0 less than Topic 5 Lesson 2 doubles plus 1 Lesson 3 doubles plus 2</p><p>Topic 6 Lesson 3 related facts Lesson 4 fact family Topic 7 Lesson 4 digit row column Lesson 5 skip count Topic 8 Lesson 2 tens Lesson 3 ones digit Lesson 5 break apart a ten Topic 9 Lesson 1 1 more 1 less 10 more 10 less Lesson 3 equal to (=) less than greater than Topic 10 Lesson 5 regroup Topic 11 Lesson 5 regroup Topic 12 Lesson 1 longest shortest Lesson 2 taller shorter Lesson 3 estimate measure Topic 13 Lesson 1 hour hand hour minute hand minute o’clock Lesson 3 half hour Lesson 4 schedule Topic 14 Lesson 2 picture graph Lesson 3 bar graph Lesson 4 tally mark data Topic 15 Lesson 1 plane shapes hexagon trapezoid Lesson 3 sort side corner Lesson 6 solid figure cube rectangular prism sphere cylinder cone Lesson 7 flat surface vertex (vertices) Lesson 9 pyramid Topic 16 Lesson 1 equal parts Lesson 3 halves fourths quarters half of fourth of quarter of two of four of</p><p>Step-Up to Grade 2 Lessons Vocabulary Lesson 1 hundreds, thousand Lesson 3 expanded form, standard form Lesson 4 compare, greater than (>), less than (<) Lesson 8 length, width, height, inch (in.), nearest inch Lesson 9 centimeter (cm), nearest centimeter Lesson 10 unit, foot (ft), yard (yd), feet (ft) Grade 2</p><p>Topic 1 Lesson 1 part whole add sum addition sentence plus (+) equals (=) Lesson 2 join Lesson 3 subtract difference subtraction sentence minus (-) Lesson 4 separate Lesson 5 more fewer Lesson 6 related fact family Topic 2 Lesson 2 doubles Lesson 3 near doubles Lesson 4 addend Lesson 7 number sentence Topic 4 Lesson 2 array Topic 5 Lesson 2 digits number word Lesson 3 > (greater than) < (less than) = (equal to) Lesson 4 before after Lesson 6 even odd Topic 6 Lesson 1 mental math tens digit Lesson 2 next ten Topic 8 Lesson 1 regroup Topic 10 Lesson 1 hundreds thousand Lesson 3 expanded form standard form number word Lesson 7 compare Lesson 8 order Topic 12 Lesson 1 sphere solid figure pyramid flat surface cylinder face cone edge cube vertex (vertices) rectangle prism Lesson 2 plane shapes circle square triangle rectangle polygon Lesson 3 angle side quadrilateral pentagon hexagon Lesson 4 trapezoid parallelogram Lesson 6 rows columns Lesson 7 equal unequal halves thirds fourths Topic 13 Lesson 1 half-dollar quarter dime nickel penny coins cents (¢) Lesson 2 greatest value least value Lesson 3 dollar bill dollar coin dollar sign decimal point Lesson 5 tally mark Topic 14 Lesson 3 estimate Topic 15 Lesson 1 unit Lesson 2 length inch (in.) width height nearest inch Lesson 3 centimeter (cm) nearest centimeter Lesson 4 foot (ft) yard (yd) Lesson 5 meter (m) Topic 16 Lesson 1 minute hand minute hour hand hour half hour Lesson 2 quarter past half past quarter to Lesson 3 bar graph data Lesson 4 Line Plot Lesson 5 symbol pictograph</p><p>Step-Up to Grade 3 Lessons Vocabulary Lesson 3 divide, divided by (÷), division sentence Lesson 5 fraction Lesson 7 set Lesson 9 polygon, triangle, side, quadrilateral, vertex, pentagon, hexagon, octagon Grade 3</p><p>Topic 1 Lesson 1 digits place value standard form expanded form word form Lesson 3 period Lesson 6 compare Lesson 7 order</p><p>Topic 2 Lesson 1 addends sum Commutative (Order) Property of Addition Associative (Grouping) Property of Addition Identity (Zero) Property of Addition Lesson 2 fact family difference Lesson 5 round Lesson 6 estimate compatible numbers Lesson 8 equation Topic 4 Lesson 1 multiplication factors product Lesson 2 array Lesson 3 Commutative (Order) Property of Multiplication Topic 5 Lesson 1 multiples Lesson 3 Identity (One) Property of Multiplication Zero Property of Multiplication Lesson 4 multiple Topic 6 Lesson 1 Distributive Property Lesson 6 Associative (Grouping) Property of Multiplication Topic 7 Lesson 1 division Topic 8 Lesson 1 dividend divisor quotient Topic 9 Lesson 1 halves thirds fourths fifths sixths eighths tenths twelfths Lesson 2 fraction unit fraction numerator denominator Lesson 4 unit fraction Lesson 5 mixed numbers Lesson 6 benchmark fractions Topic 10 Lesson 5 equivalent fractions simplest form Topic 11 Lesson 1 point line line segment intersecting lines parallel lines Lesson 2 ray angle vertex (of an angle) right angle perpendicular acute angle obtuse angle Lesson 3 polygon side vertex (of a polygon) diagonal triangle quadrilateral pentagon hexagon octagon decagon Lesson 4 equilateral triangle isosceles triangle scalene triangle right triangle acute triangle obtuse triangle Lesson 5 trapezoid parallelogram rectangle rhombus square Topic 12 Lesson 1 hour half hour quarter hour minute seconds A.M. P.M. Lesson 4 elapsed time Topic 13 Lesson 1 perimeter Lesson 2 mile Topic 14 Lesson 1 area Lesson 2 square unit Topic 15 Lesson 1 capacity cup pint quart gallon Lesson 2 milliliter (mL) liter (L) Lesson 3 mass gram (g) kilogram (kg) Lesson 4 weight ounce pound ton Topic 16 Lesson 1 line plot Lesson 3 pictograph key bar graph scale</p><p>Step-Up to Grade 4 Lessons Vocabulary Lesson 2 partial products Grade 4</p><p>Topic 1 Lesson 1 array product factors Lesson 2 multiple Lesson 3 Commutative Property of Multiplication Zero Property of Multiplication Identity Property of Multiplication Lesson 4 Distributive Property Lesson 7 inverse operations fact family Topic 2 Lesson 1 repeating pattern Topic 3 Lesson 1 digits place value standard form expanded form word form Lesson 3 compare Topic 4 Lesson 1 breaking apart compensation counting on Commutative Property of Addition Associative Property of Addition Identity Property of Addition Lesson 4 inverse operations Topic 5 Lesson 3 partial products Lesson 4 compensation Topic 7 Lesson 4 compatible numbers Topic 9 Lesson 4 remainder Topic 11 Lesson 2 prime number composite number Lesson 4 fraction equivalent fractions numerator denominator Lesson 6 benchmark fractions Topic 12 Lesson 6 mixed number improper fraction Topic 13 Lesson 1 unit fraction Lesson 9 tenth hundredth decimal point Topic 14 Lesson 1 inch foot yard mile Lesson 2 capacity Lesson 3 weight ounce pound ton Lesson 6 millimeter centimeter decimeter meter kilometer Lesson 7 milliliter liter Lesson 8 mass gram kilogram Topic 15 Lesson 4 line plot Topic 16 Lesson 1 point line plane parallel lines intersecting lines perpendicular lines Lesson 2 line segment ray angle right angle acute angle obtuse angle straight angle Lesson 3 degree unit angle angle measure Lesson 5 protractor Lesson 7 polygon side vertex triangle quadrilateral pentagon hexagon octagon Lesson 8 equilateral triangle isosceles triangle scalene triangle right triangle acute triangle obtuse triangle Lesson 9 rhombus trapezoid parallelogram rectangle square Lesson 10 symmetric line of symmetry</p><p>Step-Up to Grade 5 Lessons Vocabulary Lesson 1 distributive property Lesson 2 variable, algebraic expression Lesson 5 rounding Lesson 8 reciprocals Lesson 10 volume, cubic unit Grade 5</p><p>Topic 1 Lesson 1 digits value standard form expanded form word form Lesson 4 equivalent decimals Topic 2 Lesson 1 Commutative Property Associative Property compatible numbers compensation Lesson 2 rounding Topic 3 Lesson 1 Commutative Property of Multiplication Associative Property of Multiplication Identity Property of Multiplication Zero Property of Multiplication Lesson 2 factors product multiple Lesson 3 underestimate overestimate Lesson 4 exponential notation exponent base standard form expanded form squared cubed power Lesson 5 Distributive Property Lesson 7 partial products Topic 4 Lesson 1 dividend divisor quotient Topic 8 Lesson 1 variable Algebraic Expression Lesson 2 order of operations Lesson 7 corresponding sequence term Lesson 8 algebraic expression variable Topic 9 Lesson 1 equivalent fractions Lesson 2 simplest form Lesson 3 benchmark fraction Lesson 5 common multiple least common multiple (LCM) Lesson 6 common denominator Lesson 7 least common denominator (LCD) Topic 10 Lesson 1 proper fraction improper fraction mixed number Topic 11 Lesson 7 resizing scaling Lesson 9 reciprocal Topic 12 Lesson 1 three-dimensional cube face edge vertex (plural: vertices) prism cylinder cone pyramid Lesson 4 volume cubic unit Topic 14 Lesson 1 line plot outlier Lesson 2 survey data sample frequency table line plot Topic 15 Lesson 1 polygon regular polygon triangle quadrilateral pentagon hexagon octagon Lesson 2 equilateral triangle isosceles triangle scalene triangle right triangle acute triangle obtuse triangle Lesson 3 parallelogram trapezoid rectangle rhombus square Lesson 6 generalization Topic 16 Lesson 1 coordinate grid x-axis y-axis origin ordered pair x-coordinate y-coordinate</p><p>Step-Up to Grade 6 Lessons Vocabulary Lesson 1 ratio, terms Lesson 2 rate, unit rate Lesson 3 proportions Lesson 7 greatest common factor (GCF) Lesson 8 input/output table Lesson 9 Commutative Property of Addition, Commutative Property of Multiplication, Associative Property of Addition, Associative Property of Multiplication, Identity Property of Addition, Identity Property of Multiplication Grade 6</p><p>Topic 1 Lesson 1 expanded form trillion Lesson 3 base exponent power exponential form Lesson 4 decimal Topic 2 Lesson 1 variable coefficient algebraic expression Lesson 2 Commutative Property of Addition Commutative Property of Multiplication Associative Property of Addition Associative Property of Multiplication Identity Property of Addition Identity Property of Multiplication Lesson 3 order of operations Lesson 4 Distributive Property Lesson 6 evaluate substitution Lesson 7 input/output table Topic 3 Lesson 1 estimate Lesson 3 compatible numbers Lesson 9 inequality Topic 4 Lesson 1 equation Addition Property of Equality Subtraction Property of Equality Multiplication Property of Equality Division Property of Equality Lesson 2 inverse relationship Topic 5 Lesson 1 multiple divisible Lesson 2 prime number composite number prime factorization Lesson 3 greatest common factor Lesson 4 fraction numerator denominator Lesson 5 equivalent fractions Lesson 6 simplest form Lesson 7 conjecture Topic 6 Lesson 3 proper fraction improper fraction mixed number Lesson 4 terminating decimal repeating decimal Topic 7 Lesson 1 like denominators Lesson 2 common multiple least common multiple (LCM) Lesson 3 unlike denominators least common denominator (LCD) Topic 9 Lesson 2 reciprocals Topic 10 Lesson 1 opposites integers absolute value Lesson 3 rational number Lesson 9 coordinate plane x-axis y-axis quadrants ordered pair origin Topic 11 Lesson 1 point line ray line segment congruent line segments midpoint intersecting lines plane parallel lines perpendicular lines Lesson 2 vertex acute angle right angle obtuse angle straight angle Lesson 3* vertical angles congruent angles adjacent angles complementary angles supplementary angles Lesson 4 acute triangle right triangle obtuse triangle equilateral triangle isosceles triangle scalene triangle Lesson 5 trapezoid parallelogram rhombus rectangle square Lesson 6* circle diameter radius chord central angle arc sector Lesson 7* congruent figures translation reflection glide reflection rotation Lesson 8* reflection symmetry line of symmetry rotational symmetry Topic 12 Lesson 1 ratio terms Lesson 2 proportion Lesson 3 rate unit rate Lesson 5 formula Topic 13 Lesson 6* scale drawing scale Topic 14 Lesson 1 percent Topic 15 Lesson 4 T-table linear equation Lesson 5* dependent variable independent variable Topic 16 Lesson 1 capacity Lesson 2 meter gram liter kilo- centi- milli- Topic 17 Lesson 1 perimeter Lesson 2 area Lesson 4* circumference Topic 18 Lesson 1 cone cylinder edge faces net polyhedron prism pyramid sphere vertex Lesson 3 volume Topic 19 Lesson 1 statistical question Lesson 2 data distribution outlier Lesson 3 mean average Lesson 4 median mode range Lesson 5 frequency table histogram Lesson 6 box plot quartiles Lesson 7 absolute deviation interquartile range (IQR) mean absolute deviation</p><p>*Step-Up to Grade 7 Lessons Vocabulary</p>