Standards
Partition circles and rectangles into two, three or four equal parts then count and describe the parts using the words halves, thirds, and fourths. ("one-fourth, two-fourths, threefourths").
Generate resourceRecognize, identify, and describe attributes (such as number of angles and number of sides) of polygons including triangles, quadrilaterals, pentagons, hexagons, and octagons.
Generate resourceDescribe the differences between quadrilaterals (including squares, rectangles, and trapezoids) using attributes (such as congruent sides, parallel sides, and right angles).
Generate resourcePartition a rectangle into rows and columns of same-size squares and count to find the total number of them.
Generate resourceExplore length of an object by lining up inch-sized manipulatives with no gaps or overlaps.
Generate resourceIdentify and count coins and bills and apply that understanding to solve word problems.
Generate resourceSolve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using dollar sign and cent sign symbols appropriately.
Generate resourceCreate tables, line plots, and bar graphs to represent a given set of data with up to four categories.
Generate resourceInterpret and analyze data presented with tables, line plots, picture graphs, and bar graphs.
Generate resourceExplore length of an object by lining up centimeter and decimeter-sized manipulatives with no gaps or overlaps.
Generate resourceTell and write time to the nearest five minutes on analog and digital clocks and use a.m. and p.m. appropriately.
Generate resourceMentally calculate 10 more, 10 less, 100 more and 100 less than a given three-digit number 100-900.
Generate resourceGiven a two-digit or three-digit number, find the distance to the next ten or hundred, and prior ten or hundred.
Generate resourceRead, write, and identify numbers up to 1000 in standard form, word form, and expanded form.
Generate resourceCompare two three-digit numbers using the symbols <, >, =, based on the value of the hundreds, tens, and ones in the given numbers.
Generate resourceDemonstrate understanding of addition problems using properties (commutative, associative, and additive identity) within 100.
Generate resourceSolve addition and subtraction problems within 100, using objects, drawings, open number lines, or equations with a symbol for the unknown number in any position.
Generate resourceUse place value understanding and visual models (e.g., base-ten blocks, number lines) to explain and justify addition and subtraction strategies up to 1000.
Generate resourceGiven a rectangular array (up to 5 x 5), use repeated addition to find the total number of objects; write an addition equation to express the total.
Generate resourceRecognize, identify, and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces; to include triangles, quadrilaterals, pentagons, hexagons, and cubes. (Sizes are compared directly or visually, not compared by measuring.)
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 by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes.
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 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 numbers 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 resourceIdentify and count coins and bills and apply that understanding to solve word problems.
Generate resourceSolve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
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. Understand the following as special cases:
Generate resourceThe 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 resourceCount within 1000; skip-count by 5s, 10s, and 100s, starting from any number in its skip counting sequence.
Generate resourceRead and write numbers to 1000 using base-ten numerals (standard form), number names (word form), 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 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 and 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. (Explanations may be supported by words, drawings or objects.)
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. (See standard 1.OA.6 for a list of mental strategies.)
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 resourceUse place value understanding and properties of operation to add and subtract.
Generate resource