**Free Math Worksheets for Third Grade (w/ Answer Keys)**

The following **printable math worksheets for 3rd grade** are from the *engageNY* K-12 math curriculum and are unchanged. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. You can access the official license by clicking here. You can access the entire engageNY **Grade 3 Mathematics **curriculum map and learning modules at engageny.org.

**Topic:** Properties of Multiplication and Division and Solving Problems with Units of 2–5 and 10

**Practice: Understand***equal groups of*as multiplication**Interpret the meaning of factors—the size of the group or the number of groups**| Key**Understand the meaning of the unknown as the size of the group in division**| Key**Interpret the unknown in division using the array model**| Key**Practice with Multiplication, Arrays, and Skip Counting**| Key**Demonstrate the commutativity of multiplication, skip-counting, and array models**| Key**Find related multiplication facts by adding and subtracting equal groups in array models**| Key**Model the distributive property with arrays to decompose units as a strategy to multiply**| Key**Relate arrays to tape diagrams to model the commutative property of multiplication**| Key**Use the distributive property as a strategy to find related multiplication facts**| Key**Model the relationship between multiplication and division (word problems)**| Key**Apply the distributive property to decompose units using arrays**| Key**Solve two-step word problems involving multiplication and division**| Key**Solve two-step word problems involving all four operations**| Key

**Topic: **Multiplication and Division with Units of 0, 1, 6–9, and Multiples of 10

**Use commutativity to find known facts of 6, 7, 8, and 9**| Key**Multiply and divide with familiar facts using a letter to represent the unknown**| Key**Use the distributive property as a strategy to multiply and divide using units of 6 and 7**| Key**Interpret the unknown in multiplication and division to solve problems using units of 6 and 7**| Key**Understand the function of parentheses and apply to solving problems**| Key**Use the associative property as a strategy to multiply**| Key**Use the associative property as a strategy to multiply II**| Key**Use the distributive property as a strategy to multiply and divide**| Key**Interpret the unknown in multiplication and division to model and solve problems**| Key**Apply the distributive property and the fact 9 = 10 – 1 as a strategy to multiply**| Key**Practice: Identify and use arithmetic patterns to multiply****Interpret the unknown in multiplication and division to model and solve problems**| Key**Reason about and explain arithmetic patterns using units of 0 and 1**| Key**Identify patterns in multiplication and division facts using the multiplication table**| Key**Solve two-step word problems involving all four operations**| Key**Multiply by multiples of 10 using the place value chart**| Key**Solve two-step word problems involving multiplying single-digit factors and multiples of 10**| Key

**Topic:** Place Value and Problem Solving with Units of Measure

**Explore time as a continuous measurement using a stopwatch**| Key**Relate skip-counting by fives on the clock and telling time using the number line**| Key**Count by fives and ones on the number line as a strategy to tell time to the nearest minute**| Key**Solve word problems involving time intervals within 1 hour by counting backward and forward**| Key**Build & decompose a kilogram to reason about size and weight of 100 grams, 10 grams, and 1 gram**| Key**Estimate and measure liquid volume in liters and milliliters using the vertical number line**| Key**Solve mixed word problems involving grams, kilograms, liters, and milliliters**| Key**Round two-digit measurements to the nearest ten on the vertical number line**| Key**Round two- and three-digit numbers to the nearest ten on the vertical number line**| Key**Round to the nearest hundred on the vertical number line**| Key**Add measurements using the standard algorithm to compose larger units once**| Key**Add measurements using the standard algorithm to compose larger units twice**| Key**Estimate sums by rounding and apply to solve measurement word problems**| Key**Estimate differences by rounding and apply to solve measurement word problems**| Key**Estimate sums and differences of measurements by rounding, and solve mixed word problems**| Key