Grade 2 Math Expressions Vocabulary Words Unit 1, Book 1 Understanding Addition and Subtraction OSPI word: number pattern, place value, value, whole number Link to Math Expression Online Glossary for some definitions: http://wwwk6.thinkcentral.com/content/hsp/math/hspmathmx/na/gr2/se_9780547153025_/ eglossary/eg_popup.html?grade=2 Lesson 1 / story problem, in all, altogether, total, zero, proof drawing Lesson 2 / flash ten, story problem, equation, proof drawing, matching picture, number flash Lesson 3 / zero, minus, plus, flash ten, equation, story problem, number fish Lesson 4 / nickels, pennies, Penny Strips, Nickel Strips, number fish, Coin Strips, coin Lesson 5 / teen numbers, tens, ones, pennies, dimes, pattern, Secret Code Cards Lesson 6 / break-aparts, partners, Math Mountain, switch the partners, equation, teen numbers Lesson 7 / break-aparts, partners, total, equation, Math Mountain, teen numbers, Partner House Lesson 8 / fair shares, doubles, Partner House, teen numbers, partners, switch the partners, Math Mountain, unknown partner Lesson 9 / count all, count on, function, equation, teen numbers, partners, rule, Count-On Cards Lesson 10 / partner, unknown partner, total, equation, proof drawing, count on, teen number Lesson 11 / teen number, teen total, count on
Lesson 12 / teen number, teen total, proof drawing Lesson 13 / teen total, make a ten Lesson 14 / partner, total, Math Mountain, equation Lesson 15 / teen total, count on Lesson 16 / partners, Math Mountain, equation, Math Mountain Cards Lesson 17 / number path, number line Lesson 18 / equation, equals sign, is not equal to, equation chain, vertical form, Math Mountain Lesson 19 / equation, Math Mountain, partner, switch the partners, total, Parachute Drop Lesson 20 / Math Mountain, equation, partners, total, difference Lesson 21 / equation, is less than, is greater than, before, after, between, least, greatest Lesson 22 / teen totals, teen numbers, Math Mountain, switch the Partners Lesson 23 / no vocabulary words for this lesson Unit 2 Measurement and Shapes Lesson 1 / length, centimeter, line segment, horizontal, vertical, partner lengths Lesson 2 / square, rectangle, square rectangle, triangle Lesson 3 / square, rectangle, perimeter Lesson 4 / triangle, perimeter, round, angle Unit 3 Solving Story Problems Lesson 1 / change plus story problem, change minus story problem Lesson 2 / change plus story problem, change minus story problem, situation equation
Lesson 3 / collection story problem Lesson 4 / Venn diagram, group name Lesson 5 / comparison story problem, matching drawing, comparison bars Lesson 6 / comparison story problem Lesson 7 / teen total, partner, Math Mountain, equation Lesson 8 / no vocabulary words for this lesson Lesson 9 / hidden information Lesson 10 / two-step story problem Lesson 11 / double, odd, even, Doubles Plus 1, Doubles Minus 1, two-step story problem Lesson 12 / change problem, collection problem, comparison problem, hidden information, two-step problem Lesson 13 / change problem, collection problem, comparison problem, hidden information, two-step problem Lesson 14 / no vocabulary words for this lesson Unit 4 Triangles and Quadrilaterals Lesson 1 / square, rectangle, triangle, perimeter Lesson 2 / parallel, parallelogram Lesson 3 / quadrilateral, parallelogram, rectangle, right angle, square Unit 5 Addition to 200 OSPI word: number pattern, place value, value, whole number Lesson 1 / ones, tens, hundreds, decade numbers, Quick Tens Lesson 2 / ones, tens, hundreds, Number Path, Quick Tens, Quick Hundreds Lesson 3 / Quick Tens, Quick Hundreds, hundreds, tens, ones, decade numbers, word name
Lesson 4 / decade number, Quick Tens Lesson 5 / 100-partners, 10-partners, decade numbers, round Lesson 6 / ones, tens, hundreds, estimate Lesson 7 / odd, even Lesson 8 / estimate Lesson 9 / New Groups Above method, New Groups Below Method, Show All Totals Method Lesson 10 / addends, sum, Show All Totals method Lesson 11 / New Groups Below method Lesson 12 / no vocabulary words for this lesson Lesson 13 / error Lesson 14 / perimeter Lesson 15 / penny, dime, dollar, Quick Ten, Quick Hundred Lesson 16 / penny, nickel, dime, dollar, cents Lesson 17 / skip count, forward sequence, backward sequence, rule Lesson 18 / partners, break-apart, Math Mountains Lesson 19 / pattern Lesson 20 / no vocabulary words for this lesson Unit 6 - Time Lesson 1 / clock, analog clock, digital clock, hour hand, minute hand, A.M., P.M., Time Poster Lesson 2 / analog clock, digital clock, minute hand, hour hand, 5-minute interval Lesson 3 / half-hour, after the hour, before the hour Lesson 4 / minute, hour, day, half-hour Lesson 5 / calendar, month, ordinal number
Unit 7 Tables and Graphs Lesson 1 / picture graph, scale, fewer, tally marks, less, vertical, data Lesson 2 / picture graph, more, fewer, data, tally, tally marks, key Lesson 3 / picture graph, more, fewer, same, is greater than (>), is less than (<) Lesson 4 / comparison story problems, picture graph, more, fewer, same Lesson 5 / table, more, fewer, data Lesson 6 / table, picture graph, data Lesson 7 / data, tally list, table, picture graph, survey, tally marks Lesson 8/ picture graph, bar graph Lesson 9 / bar graph, horizontal, vertical Lesson 10 / bar graph, horizontal, vertical, scale, title Lesson 11 / bar graph, circle graph, pie graph Lesson 12 / ordered pair, coordinate grid, circle graph Lesson 13 / is greater than, is less than, horizontal bar graph, vertical bar graph Lesson 14 / table, bar graph, circle graph Lesson 15 / predict Lesson 16 / no vocabulary words for this lesson Unit 8, Book 2 Diagonals and Midpoints Lesson 1 / quadrilateral, square, rectangle, parallelogram, diagonal Lesson 2 / midpoint, opposite sides Lesson 3 / diagonal, midpoint
Unit 9 Subtracting 2-Digit Numbers OSPI word: digit, number pattern, place value, value, whole number Lesson 1 / penny, nickel, dime, quarter Lesson 2 / penny, nickel, dime, quarter, dollar Lesson 3 / count on, break apart, decade partners, ungroup, Quick Tens Lesson 4 / ungroup Lesson 5 / Expanded Method, Ungroup First Method Lesson 6 / Expanded Method, Ungroup First Method, estimate, difference Lesson 7 / Expanded Method, Ungroup First Method Lesson 8 / Expanded Method, Ungroup First Method Lesson 9 / hundreds, tens, ones, ungrouping Lesson 10 / dollar, dime, penny, exact change, decimal notation Lesson 11 / money string, group, ungroup, Expanded Method Lesson 12 / money string, Math Mountain, equation, partner, unknown partner Lesson 13 / dollar, money string, partner, total, group, ungroup Lesson 14 / Adding Up Method, money string, Math Mountain, unknown Partner Lesson 15 / Adding Up Method, Math Mountain, unknown partner, unknown addend, total Lesson 16 / Math Mountain, unknown partner, Adding Up Method, partner, total Lesson 17 / no vocabulary words for this lesson Unit 10 Shapes and Patterns
OSPI word: number pattern Lesson 1 / congruent, similar, polygon, quadrilateral, regular polygon, irregular polygon Lesson 2 / combine Lesson 3 / slide, flip, horizontal, vertical, rotation, rotate, turn Lesson 4 / growing pattern, motion pattern Lesson 5 / area, square unit, standard unit, square centimeter Unit 11 3-Digit Addition and Subtraction OSPI word: digit, number pattern, place value, value, whole number Lesson 1 / ones, tens, hundreds, one thousand Lesson 2 / hundreds, tens, ones, one thousand, expanded numbers Lesson 3 / one thousand, hundreds, tens, ones, decade number Lesson 4 / estimate, actual amount Lesson 5 / hundreds, tens, ones Lesson 6 / quarter, dime, nickel, penny, cent Lesson 7 / cent, dime, penny, dollar, dollar notation, dollar sign ($) Lesson 8 / dollar, five dollars, Adding up Method, ungrouping Lesson 9 / hundreds, tens, ones Lesson 10 / Show All Totals, New Groups Below, New Groups Above Lesson 11 / table, dollar sign, decimal point, function table Lesson 12 / hundreds, tens, ones Lesson 13 / Adding Up Method, unknown partner Lesson 14 / ungroup, situation equation, solution equation Lesson 15 / ungroup Lesson 16 / ungroup, decimal point
Lesson 17 / ungroup, difference Lesson 18 / ungroup Lesson 19 / grouping, ungrouping Lesson 20 / situation equation, solution equation, unknown start, comparison problem Lesson 21 / unknown addends, group, ungroup Lesson 22 / ungrouping, making change, counting on, front-end estimation Lesson 23 / no vocabulary words for this lesson Unit 12 Metric Measurement and 3-D Shapes OSPI word: ruler Lesson 1 / meter, centimeter, decimeter Lesson 2 / centimeter (cm), decimeter (dm), meter (m) Lesson 3 / centimeter, decimeter, meter Lesson 4 / meter, decimeter, centimeter Lesson 5 / length, width, height, two-dimentional (2-D), three dimensional (3-D), rectangular prism, face, edge, vertex, view, volume, cubic unit Lesson 6 / cone, sphere, square pyramid, cylinder, stack, slide, roll, Venn diagram, sort attribute, attribute/property Unit 13 Multiplication and Fractions Lesson 1 / multiplication, count by, count-bys, Grouping Drawing, Equal Shares Drawing Lesson 2 / multiply, multiplication, count by (count-bys) Lesson 3 / addition, subtraction, multiplication, count by/count-bys
Lesson 4 / multiplication, count by (count-bys), array Lesson 5 / array, county by/count-bys, multiplication Lesson 6 / fewer, more, half, double, twice, equal shares Lesson 7 / divide, division Lesson 8 / lines of symmetry, symmetrical, symmetry Lesson 9 / fractions, unit fraction, numerator, denominator Lesson 10 / greater than, less than, equal, estimate, order Lesson 11 / impossible, possible, certain, fair, unfair, probability, prediction, more likely, less likely, event Lesson 12 / outcome, prediction, probability, event, organized list, combination Lesson 13 / no vocabulary list for this lesson Unit 14 Non-Standard and Standard Units of Measure Lesson 1 / length, mass, capacity, volume, time Lesson 2 / inch, foot, yard Lesson 3 / cup, pint, quart, gallon, ounce, pound Unit E Extension Lessons Lesson 1 cent sign ( ), dollar sign ($) Lesson 2 skip count Lesson 3 line graph Lesson 4 3-dimensional shape