Common Core Math Standards
Every K–8 standard, grouped by topic — what it means in plain language, the worksheets that teach it, and how it fits the progression.
229standards · K–8
Counting & Cardinality 7 / 7 with worksheets
Operations & Algebraic Thinking 34 / 34 with worksheets
KK.OA.A.1Show addition and subtraction with objects
KK.OA.A.2Solve add and subtract stories to 10
KK.OA.A.3Break a number into two parts
KK.OA.A.4Find the partner that makes 10
KK.OA.A.5Add and subtract within 5
11.OA.A.1Solve add and subtract stories within 20
11.OA.A.2Add three numbers within 20
11.OA.B.3Add in any order or grouping
11.OA.B.4Subtract by finding the missing addend
11.OA.C.5Count on and count back
11.OA.C.6Add and subtract within 20
11.OA.D.7Understand the equal sign
11.OA.D.8Find the missing number
22.OA.A.1Solve one- and two-step word problems
22.OA.B.2Know addition facts from memory
22.OA.C.3Tell odd from even
22.OA.C.4Count arrays with equal rows
33.OA.A.1Understand multiplication as equal groups
33.OA.A.2Understand division two ways
33.OA.A.3Solve × and ÷ word problems
33.OA.A.4Find the missing number
33.OA.B.5Use properties to multiply
33.OA.B.6Divide by thinking multiplication
33.OA.C.7Know the times tables fluently
33.OA.D.8Solve two-step word problems
33.OA.D.9Explain patterns in arithmetic
44.OA.A.1Understand multiplication as comparison
44.OA.A.2Solve "times as many" problems
44.OA.A.3Solve multi-step word problems
44.OA.B.4Find factors, multiples, and primes
44.OA.C.5Generate and analyze patterns
55.OA.A.1Evaluate expressions with brackets
55.OA.A.2Write and interpret expressions
55.OA.B.3Graph two patterns together
Number & Operations in Base Ten 32 / 32 with worksheets
KK.NBT.A.1See teen numbers as ten and ones
11.NBT.A.1Count and write numbers to 120
11.NBT.B.2Understand tens and ones
11.NBT.B.3Compare two-digit numbers
11.NBT.C.4Add within 100
11.NBT.C.5Add and subtract 10 mentally
11.NBT.C.6Subtract whole tens
22.NBT.A.1Read three-digit place value
22.NBT.A.2Count and skip-count to 1000
22.NBT.A.3Write numbers three ways
22.NBT.A.4Compare three-digit numbers
22.NBT.B.5Add and subtract within 100
22.NBT.B.6Add four two-digit numbers
22.NBT.B.7Add and subtract within 1000
22.NBT.B.8Add and subtract 10 or 100 mentally
22.NBT.B.9Explain why a strategy works
33.NBT.A.1Round to the nearest ten or hundred
33.NBT.A.2Add and subtract within 1000
33.NBT.A.3Multiply by multiples of ten
44.NBT.A.1Understand place value, ten-to-one
44.NBT.A.2Read, write, and compare big numbers
44.NBT.A.3Round multi-digit numbers
44.NBT.B.4Add and subtract multi-digit numbers
44.NBT.B.5Multiply multi-digit numbers
44.NBT.B.6Divide by one-digit numbers
55.NBT.A.1Understand decimal place value
55.NBT.A.2Multiply and divide by powers of 10
55.NBT.A.3Read and compare decimals to thousandths
55.NBT.A.4Round decimals
55.NBT.B.5Multiply multi-digit numbers
55.NBT.B.6Divide by two-digit numbers
55.NBT.B.7Add, subtract, multiply, divide decimals
Number & Operations — Fractions 17 / 17 with worksheets
33.NF.A.1Understand fractions as equal parts
33.NF.A.2Place fractions on a number line
33.NF.A.3Find equivalent fractions and compare
44.NF.A.1Understand equivalent fractions
44.NF.A.2Compare two fractions
44.NF.B.3Add and subtract fractions
44.NF.B.4Multiply a fraction by a whole number
44.NF.C.5Add tenths and hundredths
44.NF.C.6Write fractions as decimals
44.NF.C.7Compare decimals to hundredths
55.NF.A.1Add and subtract unlike fractions
55.NF.A.2Solve fraction word problems
55.NF.B.3Understand fractions as division
55.NF.B.4Multiply fractions
55.NF.B.5Understand multiplication as scaling
55.NF.B.6Solve fraction multiplication problems
55.NF.B.7Divide with unit fractions
Measurement & Data 35 / 37 with worksheets
KK.MD.A.1Describe measurable attributes
KK.MD.A.2Compare two objects' size
KK.MD.B.3Sort and count by category
11.MD.A.1Order and compare lengths
11.MD.A.2Measure with same-size units
11.MD.B.3Tell time to hour and half-hour
11.MD.C.4Sort data and answer questions
22.MD.A.1Measure length with a tool
22.MD.A.2Measure in two units
22.MD.A.3Estimate lengths
22.MD.A.4Compare two lengths
22.MD.B.5Solve length word problems
22.MD.B.6Add and subtract on a number line
22.MD.C.7Tell time to five minutes
22.MD.C.8Count coins and bills
22.MD.D.9Make a line plot
22.MD.D.10Draw picture and bar graphs
33.MD.A.1Tell time and elapsed time to the minute
33.MD.A.2Measure mass and liquid volume
33.MD.B.3Read and draw scaled graphs
33.MD.B.4Measure and plot to the quarter inch
33.MD.C.5Understand area as unit squares
33.MD.C.6Find area by counting squares
33.MD.C.7Connect area to multiplication
33.MD.D.8Work with perimeter
44.MD.A.1Convert measurement units
44.MD.A.2Solve measurement word problems
44.MD.A.3Use area and perimeter formulas
44.MD.B.4Plot fractions on a line plot
44.MD.C.5Understand angles as turns
44.MD.C.6Measure and draw angles
44.MD.C.7Add and subtract angle measures
55.MD.A.1Convert units, including decimals
55.MD.B.2Solve problems from a line plot
55.MD.C.3Understand volume as unit cubes
55.MD.C.4Find volume by counting cubes
55.MD.C.5Use the volume formulas
Geometry 40 / 40 with worksheets
KK.G.A.1Name shapes and positions
KK.G.A.2Recognize shapes at any size or angle
KK.G.A.3Tell flat shapes from solid
KK.G.B.4Compare shapes by sides and corners
KK.G.B.5Build and draw shapes
KK.G.B.6Join shapes to make bigger ones
11.G.A.1Tell defining shape attributes from the rest
11.G.A.2Combine shapes into new ones
11.G.A.3Split shapes into halves and quarters
22.G.A.1Recognize and draw shapes
22.G.A.2Split a rectangle into equal squares
22.G.A.3Split shapes into equal shares
33.G.A.1Sort quadrilaterals into families
33.G.A.2Divide shapes into equal parts
44.G.A.1Draw lines, rays, and angles
44.G.A.2Sort figures by lines and angles
44.G.A.3Find lines of symmetry
55.G.A.1Understand the coordinate plane
55.G.A.2Plot points to solve problems
55.G.B.3Understand shared shape attributes
55.G.B.4Classify shapes in a hierarchy
66.G.A.1Find area by rearranging shapes
66.G.A.2Find volume with fractional edges
66.G.A.3Draw polygons from coordinates
66.G.A.4Find surface area from nets
77.G.A.1Use scale drawings
77.G.A.2Construct triangles
77.G.A.3Find cross-sections of solids
77.G.B.4Use the circle formulas
77.G.B.5Find missing angles
77.G.B.6Find area, surface area, and volume
88.G.A.1Understand transformations
88.G.A.2Understand congruence
88.G.A.3Describe transformations with coordinates
88.G.A.4Understand similarity and dilation
88.G.A.5Reason about angles and similarity
88.G.B.6Understand the Pythagorean Theorem
88.G.B.7Use the Pythagorean Theorem
88.G.B.8Find distance between two points
88.G.C.9Use volume formulas for cones and spheres
Ratios & Proportional Relationships 6 / 6 with worksheets
The Number System 13 / 13 with worksheets
66.NS.A.1Divide a fraction by a fraction
66.NS.B.2Divide multi-digit numbers fluently
66.NS.B.3Operate on decimals fluently
66.NS.B.4Find GCF, LCM, and factor sums
66.NS.C.5Understand negative numbers
66.NS.C.6Place rational numbers on a number line
66.NS.C.7Order numbers and use absolute value
66.NS.C.8Graph points in four quadrants
77.NS.A.1Add and subtract rational numbers
77.NS.A.2Multiply and divide rational numbers
77.NS.A.3Solve problems with rational numbers
88.NS.A.1Tell rational from irrational numbers
88.NS.A.2Estimate irrational numbers on a line
Expressions & Equations 21 / 21 with worksheets
66.EE.A.1Read and evaluate powers
66.EE.A.2Write and evaluate expressions with letters
66.EE.A.3Rewrite expressions in equal forms
66.EE.A.4Identify equivalent expressions
66.EE.B.5Understand what solving means
66.EE.B.6Write expressions with variables
66.EE.B.7Solve one-step equations
66.EE.B.8Write and graph inequalities
66.EE.C.9Relate two quantities with an equation
77.EE.A.1Expand and factor expressions
77.EE.A.2Rewrite expressions to reveal meaning
77.EE.B.3Solve multi-step problems
77.EE.B.4Build and solve equations and inequalities
88.EE.A.1Apply the exponent rules
88.EE.A.2Solve equations with square and cube roots
88.EE.A.3Estimate with powers of 10
88.EE.A.4Calculate with scientific notation
88.EE.B.5Graph proportional relationships as slope
88.EE.B.6Understand slope and y = mx + b
88.EE.C.7Solve linear equations
88.EE.C.8Solve systems of equations
Functions 5 / 5 with worksheets
Statistics & Probability 17 / 17 with worksheets
66.SP.A.1Recognize statistical questions
66.SP.A.2Describe a data distribution
66.SP.A.3Understand center and spread
66.SP.B.4Display data in plots
66.SP.B.5Summarize a data set
77.SP.A.1Understand sampling
77.SP.A.2Estimate from a sample
77.SP.B.3Compare two data sets by their spread
77.SP.B.4Compare two populations
77.SP.C.5Understand probability from 0 to 1
77.SP.C.6Estimate probability by experiment
77.SP.C.7Build and test a probability model
77.SP.C.8Find probability of compound events
88.SP.A.1Make and interpret scatter plots
88.SP.A.2Fit a line to a scatter plot
88.SP.A.3Use a line of best fit to predict
88.SP.A.4Read two-way tables