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Louisiana Standards

Louisiana 3rd Grade Math Standards

All 26 Louisiana math standards for 3rd grade, each explained in plain English. The official wording is in Louisiana Department of Education's document, linked at the end of this page.

26 standards

Operations and Algebraic Thinking

9 standards
3.OA.A.1
Read a multiplication fact as equal groups, like 5 × 7 as 5 groups of 7 objects.
Common Core 3.OA.1
3.OA.A.2
Read a division fact as sharing or grouping, like 56 ÷ 8 as 56 objects split into 8 equal shares.
Common Core 3.OA.2
3.OA.A.3
Solve word problems about equal groups, arrays and measurements by multiplying or dividing within 100.
Common Core 3.OA.3
3.OA.A.4
Find the missing number in a multiplication or division fact, like 8 × ? = 48.
Common Core 3.OA.4
3.OA.B.5
Use number properties as shortcuts, like knowing 4 × 6 from 6 × 4 or finding 8 × 7 as 8 × 5 plus 8 × 2.
Common Core 3.OA.5
3.OA.B.6
Solve a division problem by finding the missing factor, like 32 ÷ 8 as what times 8 makes 32.
Common Core 3.OA.6
3.OA.C.7
Multiply and divide within 100 fluently, and know all one-digit times tables from memory by the end of the year.
Common Core 3.OA.7
3.OA.D.8
Solve two-step word problems with any of the four operations, using a letter for the unknown and checking that the answer makes sense.
Common Core 3.OA.8
3.OA.D.9
Spot patterns in the addition and multiplication tables and explain them, like why 4 times any number is even.
Common Core 3.OA.9

Number and Operations in Base Ten

3 standards
3.NBT.A.1
Round whole numbers to the nearest ten or hundred, like 347 to 350 or to 300.
Common Core 3.NBT.1
3.NBT.A.2
Add and subtract within 1000 quickly and accurately, using place value and the link between addition and subtraction.
Common Core 3.NBT.2
3.NBT.A.3
Multiply a one-digit number by a multiple of ten from 10 to 90, like 5 × 60 or 9 × 80.
Common Core 3.NBT.3

Number and Operations - Fractions

3 standards
3.NF.A.1
Explain a unit fraction like 1/4 as one of 4 equal parts of a whole, and 3/4 as 3 of those parts, using halves, thirds, fourths, sixths and eighths.
3.NF.A.2
Show halves, thirds, fourths, sixths and eighths as points on a number line by splitting 0 to 1 into equal parts and counting parts from 0, like 3/4.
3.NF.A.3
Find and explain equal halves, thirds, fourths, sixths and eighths, write whole numbers as fractions, and compare fractions sharing a numerator or denominator with >, = or <.

Measurement and Data

9 standards
3.MD.A.1
Tell time to the minute on any clock, measure intervals up to an hour, find longer elapsed times to the quarter hour on a number line, and solve time word problems.
3.MD.A.2
Measure and estimate liquid volume and mass in grams, kilograms and liters, and solve one-step word problems with them.
Common Core 3.MD.2
3.MD.B.3
Draw picture graphs and bar graphs where one square stands for several items, and answer how many more or less questions from them.
Common Core 3.MD.3
3.MD.B.4
Measure lengths to the nearest half and quarter inch and show the measurements on a line plot.
Common Core 3.MD.4
3.MD.C.5
Understand area as the number of unit squares that cover a flat shape with no gaps or overlaps.
Common Core 3.MD.5
3.MD.C.6
Find the area of a shape by counting the unit squares that cover it, in square centimeters, meters, inches or feet.
Common Core 3.MD.6
3.MD.C.7
Find the area of a rectangle by multiplying its side lengths, and find the area of an L-shaped figure by splitting it into rectangles and adding.
Common Core 3.MD.7
3.MD.D.8
Find a polygon's perimeter from its side lengths, find a missing side length, and show that rectangles with the same perimeter can have different areas.
Common Core 3.MD.8
3.MD.E.9
Solve word problems with coins and bills over one dollar, writing amounts correctly with the dollar sign and cent sign, like $3.45 or 45¢.

Geometry

2 standards
3.G.A.1
Sort shapes by shared features, like knowing rhombuses, rectangles and squares are all quadrilaterals, and draw four-sided shapes that are none of those.
Common Core 3.G.1
3.G.A.2
Split a shape into equal parts and name each part as a fraction of the whole, like one of 4 equal parts is 1/4 of the shape.
Common Core 3.G.2

The official Louisiana documents

The plain-English lines on this page are EMStudio's own explanations of Louisiana's standards, not the official wording, which Louisiana Department of Education publishes in the documents above. Codes and strand names identify each standard.