MATH
Operations and Algebraic Thinking, Numbers and Operations in
Base Ten, Measurement and Data, Geometry
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Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions
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Fluently add and subtract within 20 using mental strategies
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By end of Grade 2, know from memory all sums of two one-digit numbers
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Determine whether a group of objects (up to 20) has an odd or even number of members
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Write an equation to express an even number as a sum of two equal addends
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Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones
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Count within 1000
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Skip-count by 5s, 10s, and 100s
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Read and write numbers to 1000 using base-ten numerals, number names, and expanded form
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Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons
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Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction
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Add and subtract within 1000
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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
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Explain why addition and subtraction strategies work, using place value and the properties of operations
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Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes
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Estimate lengths using units of inches, feet, centimeters, and meters
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Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m.
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Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately
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Generate measurement data by measuring lengths of several objects to the nearest whole unit, or by making repeated measurements of the same object
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Show the measurements by making a line plot, where the horizontal scale is marked off in whole-number units
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Draw a picture graph and a bar graph to represent a data set with up to four categories
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Solve simple put-together, take-apart, and compare problems using information presented in a bar graph
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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
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Recognize that equal shares of identical wholes need not have the same shape
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