Standards
Use addition and subtraction within 100 to solve one-step problems in context involving an unknown in any situation or position by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
Generate resourceUse addition and/or subtraction within 100 to solve twostep problems in context involving any situation or position of an unknown by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
Generate resourceDetermine whether a group of objects within 20 has an odd or even number of members (e.g., by pairing objects or counting them by 2s). Write an equation to express an even number as a sum of two equal addends.
Generate resourceCraft a question that can be answered by collecting categorical and numerical data.
Generate resourceCollect and organize data using surveys, making observations, or measuring.
Generate resourceRepresent categorical data using picture graphs and bar graphs. Represent numerical data using line plots.
Generate resourceSummarize the data presented in data visualizations using “most,” “least,” “greater than,” “less than,” and “equal to” and determine what questions can be answered with a given data set.
Generate resourceRecognize and draw shapes having specific attributes, such as a given number of angles or a given number of equal faces. Identify triangles, quadrilaterals, pentagons, hexagons, and cubes.
Generate resourcePartition a rectangle into rows and columns of same-size squares and count to find the total number of them.
Generate resourcePartition 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. Recognize that equal shares of identical wholes need not have the same shape.
Generate resourceMeasure the length of an object to the nearest whole unit by using appropriate tools (e.g., rulers, yardsticks, meter sticks, and measuring tapes).
Generate resourceMeasure the length of an object twice using different length units. Compare the two measurements relative to the size of the unit chosen.
Generate resourceMeasure to determine how much longer one object is than another, expressing the difference in length in terms of a standard-length unit.
Generate resourceIdentify and draw shapes (triangles, quadrilaterals, pentagons, hexagons, and cubes) having specific attributes, such as a given number of angles or a given number of equal faces.
Generate resourceExplain that a line of symmetry for a two-dimensional figure is a line across the figure such that the figure can be folded along the line into matching parts. Identify linesymmetric figures and draw lines of symmetry.
Generate resourceTell and represent time to the nearest minute using multiple representations (e.g., digital clocks, analog clocks, number lines).
Generate resourceEstimate and calculate elapsed time to the hour and half hour (e.g. If the school day begins at 8am and ends at 3 pm, the school day lasts 7 hours).
Generate resourceCount mixed sets of coins and bills to solve problems in context (within $20.00) involving bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
Generate resourceMeasure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes.
Generate resourceMeasure the length of an object twice, using length units of different lengths for the two measurements; describe how the two measurements relate to the size of the unit chosen.
Generate resourceMeasure to determine how much longer one object is than another, expressing the length difference in terms of a standard length unit.
Generate resourceUse addition and subtraction within 100 to solve word problems involving lengths that are given in the same units, e.g., by using drawings (such as drawings of rulers) and equations with a symbol for the unknown number to represent the problem.
Generate resourceRepresent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the number 0, 1, 2, …, and represent whole-number sums and differences within 100 on a number line diagram.
Generate resourceTell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m.
Generate resourceSolve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
Generate resourceDraw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph.
Generate resourceGenerate measurement data by measuring lengths of several objects to the nearest whole unit, or by making repeated measurements of the same object. Show the measurements by making a line plot, where the horizontal scale is marked off in whole-number units.
Generate resourceUnderstand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones.
Generate resourceUnderstand the following as a special case: 100 can be thought of as a bundle of ten tens -- called a "hundred."
Generate resourceUnderstand the following as a special case: The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).
Generate resourceRead and write numbers to 1000 using base-ten numerals, number names, and expanded form.
Generate resourceCompare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.
Generate resourceUse place value understanding and properties of operations to add and subtract.
Generate resourceFluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Generate resourceAdd up to four two-digit numbers using strategies based on place value, properties of operations.
Generate resourceAdd and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. 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.
Generate resourceMentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.
Generate resourceExplain why addition and subtraction strategies work, using place value and the properties of operations.
Generate resourceUse understanding of 100 as a bundle of ten tens, called a “hundred,” and compose and decompose three-digit numbers.
Generate resourceCompose and decompose three-digit numbers into hundreds, tens, and ones by using objects, drawings, and/or equations (e.g., 328 = 300 + 20 + 8 or 328 is thirty-two tens and 8 ones).
Generate resourceDescribe a given number as the correct number of hundreds, tens, and ones (e.g., 328 is three hundreds, two tens and eight ones).
Generate resourceCompose and decompose three-digit numbers in more than one way (e.g., 439 = 400 + 39 or 439 = 435 + 4).
Generate resourceUse skip-counting to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns.
Generate resourceRead and write numbers within 1000 using base-ten numerals, number names, and expanded form.
Generate resourceCompare two numbers within 1000 by reasoning about the values of the hundreds, tens, and ones digits and/or the location of the numbers on a number line. Record the results of comparisons with the symbols , =, and .
Generate resourceEstimate quantities by reasoning about their location on a number line, their relationship to benchmark numbers (e.g. 10, 50, 100), and to assess reasonableness of sums and differences.
Generate resourceUse counting, make ten, and ten more/less, doubling strategies to add and subtract.
Generate resourceUse the use ten strategy (e.g., think of 9 + 1 + 6 to solve 9 + 7) and doubles plus one strategy (e.g., think of 4 + 4 + 1 to solve 4 + 5) to add and subtract.
Generate resourceUse the inverse operation to add and subtract (e.g. think of 7 + ? = 15 to solve 15 – 7 = ?).
Generate resourceUSE REPRESENTATIONS, PLACE VALUE UNDERSTANDING, AND PROPERTIES OF OPERATIONS TO ADD AND SUBTRACT.
Generate resourceRepresent whole number sums and differences within 100 using lengths on a number line.
Generate resourceUse strategies based on counting (e.g., counting on, counting back) and place value (e.g., partial sums, making tens, etc.) to add and subtract.
Generate resourceUse properties of operations, and the inverse relationship between addition and subtraction to add and subtract.
Generate resourceAdd and subtract within 1000, recognizing that when 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.
Generate resourceUse strategies based on place value (counting on, partial sums, making tens, etc.) to add and subtract.
Generate resourceUse properties of operations, and/or the relationship between addition and subtraction to add and subtract.
Generate resourceRepresent and explain the calculation by connecting the strategy used to the meaning of addition and subtraction.
Generate resourcePartition circles and rectangles into equal shares (halves, thirds, and fourths) recognizing that equal shares do not need to have the same shape. Determine how many equal shares are needed to make a whole (e.g., three thirds).
Generate resourceUse 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, e.g., by using drawings, and equations with a symbol for the unknown number to represent the problem.
Generate resourceFluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
Generate resourceDetermine whether a group of objects (up to 20 has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.
Generate resourceUse addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.
Generate resource