The 3rd Grade Skills below are based on the Common Core Standards For Mathematics. You can find out more about the Common Core Standards here.
You will also find a listing of related math resources (worksheets, charts, etc) here.
Note: Math standards and curricula can vary by location or school. Check with your child’s school to determine what 3rd grade math skills are expected in your location.
Operations & Algebraic Thinking 

Understanding multiplication in terms of a certain number of groups each of which has the same number of objects. e.g. 4 x 8 is 4 groups of 8 objects. 
View Related Worksheets and Resources (7 No.) 
Understanding division as the sharing of a certain number of objects into groups of equal amounts. e.g. 24 objects shared as 4 groups of 6 can be shown as 24 ÷ 4 = 6. 
View Related Worksheets and Resources (2 No.) 
Solving word problems by multiplying and dividing with numbers up to 100. 

Finding the "missing" numbers in multiplication and division equations. 
View Related Worksheets and Resources (4 No.) 
Knowing and using the commutative, associative, and distributive properties of multiplication. (without necessarily knowing these names) 

Recognizing the connection between multiplication and division. e.g. finding 48 ÷ 6 by knowing the number that 6 is multiplied by to get 48. 
View Related Worksheets and Resources (13 No.) 
Multiplying and dividing with fluency for numbers up to 100 and, by grade's end, memorizing up to the 10x table. 
View Related Worksheets and Resources (179 No.) 
Using addition, subtraction,multiplication, and/or division to solve twostep word problems. (whole number answers only) 

Identifying arithmetic patterns in addition and multiplication tables. 
View Related Worksheets and Resources (5 No.) 
Number & Operations in Base Ten 

Rounding numbers to the nearest 10 and the nearest 100. 
View Related Worksheets and Resources (6 No.) 
Adding and subtracting with fluency with numbers less than one thousand. 
View Related Worksheets and Resources (13 No.) 
Multiplying numbers 1 to 9 by multiples of ten. e.g. 4 x 30, 7 x 50, 5 x 90. 
View Related Worksheets and Resources (4 No.) 
Number & Operations—Fractions 

Understanding what numerators and denominators represent in fractions. e.g. 3/4 as being 3 parts out of a total of 4 parts where the parts are all of equal size 
View Related Worksheets and Resources (20 No.) 
Understanding and representing how fractions can be shown on a number line. 
View Related Worksheets and Resources (22 No.) 
Understanding and showing the concept of equivalent fractions. 
View Related Worksheets and Resources (2 No.) 
Note: only fractions with denominators 2, 3, 4, 6, 8. 
Measurement & Data 

Writing and telling time to the minute and solving problems that require adding and subtracting intervals of time. 
View Related Worksheets and Resources (11 No.) 
Estimating and measuring the liquid volume and the mass of an object and being able to solve simple word problems with mass and volume. (using only grams, kilograms, and liters with no unit conversion required) 

Drawing and using scaled picture and bar graphs. 

Measuring length to the 1/4 and 1/2 inch and showing the resultant data on a line plot. 

Understanding the concept of area for 2dimensional figures. 
View Related Worksheets and Resources (1 No.) 
Measuring area through counting of unit squares (using square centimeters, meters, inches, and feet as well as informal units) 

Calculating area using multiplication and addition and finding the area of composite shapes. (only rectangles and shapes with 90 right angles) 
View Related Worksheets and Resources (2 No.) 
Finding the perimeter of a polygon and, given a perimeter, finding the lengths of missing sides and being able to do so to solve realworld problems 
View Related Worksheets and Resources (1 No.) 
Geometry 

Categorizing shapes, identifying common attributes of different types of shapes, and recognizing that some shapes belong to more than one category. e.g. rectangles are also quadrilaterals but not all quadrilaterals are rectangles 

Divide shapes into equal parts and use fractions to describe these parts. 
Browse for skills and worksheets at other grade levels by clicking in the table below.

More Math Help
Look in the Multiplication section for more resources including tables and charts, flashcards and games.