Maryland 2025 grade 3 math worksheets
Every Maryland grade 3 math standard by its own code, with the printable sheets that practise it: 26 of 26 have sheets. New problems every time, answer keys and a one-page guide for grown-ups. Free, no sign-up.
Number & operation sense
- 3.NOS.A.1Read, write, round and compare whole numbers within 10,000.Rounding to 10 and 100 · Numbers to 10,000
- 3.NOS.B.2Understand multiplying as equal groups: 5 × 7 is 5 groups of 7.Equal groups
- 3.NOS.B.3Understand dividing as sharing equally or making equal groups.Sharing equally
- 3.NOS.C.4Use turn-around facts, grouping and breaking apart to make multiplying easier.Multiplying with properties
- 3.NOS.C.5Solve division by finding a missing factor: 32 ÷ 8 asks 8 × ? = 32.Missing factors · Division as a missing factor
- 3.NOS.D.6Estimate sums and differences within 1,000, and know when an estimate is enough.Estimating sums and differences
- 3.NOS.D.7Add and subtract within 1,000 fluently, picking the best strategy.Adding and subtracting within 1000
- 3.NOS.D.8Multiply one-digit numbers by multiples of 10, like 9 × 80.Multiplying by tens
- 3.NOS.E.9Multiply and divide within 100, and know the times tables from memory.Times tables
- 3.NOS.F.10Understand a fraction as equal parts of a whole: 3/4 is three parts of size 1/4.Fractions of a whole · Equal parts as fractions
- 3.NOS.F.11Name a fraction of a set: 2 red balls out of 5 balls is 2/5 of the set.Fractions of a set
- 3.NOS.F.12Place fractions on a number line.Fractions on a number line
- 3.NOS.F.13Find equivalent fractions and compare fractions by thinking about their size.Equivalent and comparing fractions
Algebraic thinking
- 3.AT.A.1Solve multiplying and dividing story problems within 100 about groups, arrays and area.Multiplication and division stories
- 3.AT.A.2Solve two-step story problems with all four operations, and check the answer makes sense.Two-step story problems
- 3.AT.A.3Find number patterns and explain them, like why 4 times any number is even.Patterns in tables
Geometry & measurement
- 3.GR.A.1Measure lengths to the nearest half or quarter unit with a ruler.Measuring to ¼ inch
- 3.GR.A.2Solve story problems adding and subtracting minutes, using a number line.Time to the minute
- 3.GR.A.3Measure and estimate liquid volume and mass in liters, grams and kilograms.Liters and kilograms
- 3.GR.A.4Solve one-step story problems about mass or liquid volume in the same units.Liters and kilograms
- 3.GR.B.5See that shapes in different groups can share features, like quadrilaterals.Quadrilaterals
- 3.GR.C.6Understand area and measure it by counting unit squares.What is area? · Measuring area
- 3.GR.C.7Connect area to multiplying and adding, including shapes made of rectangles.Area by multiplying
- 3.GR.C.8Understand perimeter as the distance around a shape, and measure it.Perimeter as distance around
- 3.GR.C.9Solve perimeter problems, including finding a missing side.Perimeter
Data & statistics
- 3.DS.A.1Make scaled picture graphs, bar graphs and line plots, and tell the story in the data.Scaled graphs · Measuring to ¼ inch
Summaries are ours, in plain words. The same sheets by Common Core: Grade 3.