Here is a list of all the math words each elementary grade is expected to know, just in one facet of math (Measurement and Data):

KINDERGARTEN

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• Measurement & Data: measure, long, estimate, longest, shorter, small, size, big, short, biggest, today, time, minute, calendar, hour, second, yesterday, morning, afternoon, date, minute hand, first, second hand, hour hand, clock, year, equal parts, month, day, week

FIRST GRADE

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• Calendar: measure, length, foot, ruler, long, inch, foot, shorter, thermometer, temperature
• Graphing: chart, picture graph, bar graph, input, measurement, table, data
• Length/Temperature: month, calendar, day, week, year, leap year, season
• Money: money, dollar, coin, cent, half-dollar, quarter, nickel, penny, dime, currency
• Statisics: less likely, impossible, equally likely, tally, certain, equal parts, estimate, even, chance
• Time: time, second, hour hand, minute, second hand, half-hour, clock, first, hour, minute hand
• Weight/Volume: measure, gram, scales, cup, pint, quart, pound, size, balance, kilogram

SECOND GRADE

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• Calendar: date, day, week, calendar, month, event, leap year, season
• Fractions: equivalent, extend, whole, equal parts, ones, tens, one-third, one-fourth, fraction, integer
• Length: foot, temperature, thermometer, longest, centimeter, inch, meter, yard, length, degree
• Money: coin, dollar, money, dime, nickel, quarter, penny, half-dollar, cent, currency
• Showing Data: symbol, table, bar graph, interpret, pie chart , tally, picture graph, data
• Statistics: estimate, survey, predict, unlikely, likely, equal, outcome, equally likely, impossible, certain
• Time: time, second, minute hand, hour, elapsed time, quarter-hour, minute, hour hand,half-hour, second hand
• Weight/Volume: gram, balance, cup, quart, pint, pound, kilogram, liter, size, ounce

THIRD GRADE

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• Length: centimeter, area, length, height, mile, kilometer, temperature, perimeter, meter, width
• Showing Data: tally chart, bar graph, data, input, interpret, pictograph, customary units, non-standard units, picture graph, table, symbol
• Statistics: chance, reasonableness, median, data, input, outcome, combinations, mode, predict
• Time/Temperature: thermometer, degrees, second, minute, clockwise, counterclockwise, temperature, elapsed time, hour, Celsius
• Weight/Volume: gram, liter, weight, scale, metric, liquid measures, kilogram, ounce, capacity, volume

FOURTH GRADE

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• Units & Coordinates: y-axis, line graph, customary units, non-standard units, x-axis, coordinates, coordinate, system, data, unit conversion, unit
• Length: meter, length, width, kilometer, measurement, inch, yard, centimeter, metric, foot
• Problem Solving: probability, predict, array, survey, chance, likely, unlikely, certainty, data collection, tendency
• Quantity/Size: volume, liter, ounce, pint, kilogram, weight, mass, quart, gallon, balance
• Time/Temperature: Celsius, Fahrenheit, measurement, minute, second, event, degree, time , temperature, hour
• Interpretation: mean, median, mode, range, likelihood, ordered pairs, statistics, interpret, graph, data
• Presentation: tree diagram, pie chart, diagram, data, circle graph, Venn diagram, tally, bar graph, frequency table, measure