North Dakota grade 3 math worksheets

Every North Dakota grade 3 math standard by its own code, with the printable sheets that practise it: 30 of 30 have sheets. New problems every time, answer keys and a one-page guide for grown-ups. Free, no sign-up.

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Number & operations

3.NO.CC.1Read and write numbers to 10,000 in standard, word and expanded form using models.Numbers to 10,000
3.NO.NBT.1Compare four-digit numbers with >, <, = and justify by place value.Numbers to 10,000
3.NO.NBT.2Round whole numbers to the nearest 10 or 100 using place value.Rounding to 10 and 100
3.NO.NBT.3Add and subtract within 1,000 using place value, algorithms or inverse operations.Adding and subtracting within 1000
3.NO.NBT.4Multiply one-digit numbers by multiples of 10 within 100.Multiplying by tens
3.NO.NF.1Split shapes into equal areas and name each part as a unit fraction, including sixths and eighths.Fractions of a whole · Equal parts as fractions
3.NO.NF.2Show and understand a fraction as a point on a number line.Fractions on a number line
3.NO.NF.3Show equivalent fractions with pictures and number lines.Equivalent and comparing fractions
3.NO.NF.4Write whole numbers as fractions and recognize fractions equal to whole numbers.Equivalent and comparing fractions
3.NO.NF.5Compare fractions of the same whole with equal numerators or denominators using >, <, =.Equivalent and comparing fractions

Algebraic reasoning

3.AR.OA.1Multiply and divide basic facts within 100; facts to 5 x 5 and tens are automatic.Times tables
3.AR.OA.2Use properties of operations to solve multiplication and division and explain your thinking.Multiplying with properties
3.AR.OA.3Solve two-step addition and subtraction story problems within 1,000 with a letter for the unknown.Two-step story problems
3.AR.OA.4Solve multiplication story problems within 100, with unknowns, using models and equations.Equal groups · Multiplication and division stories · Missing factors
3.AR.OA.5Solve division story problems within 100, with unknowns, using models and equations.Sharing equally · Multiplication and division stories · Missing factors · Division as a missing factor
3.AR.OA.6Find arithmetic patterns and explain them with properties of operations.Patterns in tables

Geometry & measurement

3.GM.G.1Find lines, right/acute/obtuse angles, and parallel and perpendicular lines in flat shapes.Lines, rays and segments (Grade 4)
3.GM.G.2Sort quadrilaterals into categories by their features.Quadrilaterals
3.GM.G.3Identify lines of symmetry in quadrilaterals.Lines of symmetry (Grade 4)
3.GM.M.1Measure lengths with rulers marked in halves and fourths of an inch.Measuring to ¼ inch
3.GM.M.2Measure and estimate liquid volume and mass; solve one-step problems in the same units.Liters and kilograms
3.GM.M.3Tell and write time to the minute and measure time intervals in minutes.Time to the minute
3.GM.M.4Solve elapsed-time story problems on the hour and half hour.Time to the minute
3.GM.M.5Solve money story problems with bills and coins using $ and cent signs (no decimals).Counting money (Grade 2)
3.GM.M.6Solve rectangle perimeter problems given the sides or the perimeter and a missing side.Perimeter
3.GM.M.7Understand area as a feature of flat shapes measured in unit squares.What is area?
3.GM.M.8Find rectangle area by tiling, show area adds, and match it to multiplying the sides.Measuring area · Area by multiplying

Data, probability & statistics

3.DPS.D.1Ask questions, collect data in more than four categories and show it in scaled graphs.Scaled graphs
3.DPS.D.2Collect data and make line plots marked in wholes, halves and fourths.Measuring to ¼ inch
3.DPS.D.3Use graph data to make statements and solve one- and two-step problems.Scaled graphs

Summaries are ours, in plain words. The same sheets by Common Core: Grade 3.