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3RD GRADE NUMBER

150+ 3rd Grade Math Centers for Number, Geometry, Measurement and Data




This page provides sample 3rd Grade Number tasks and games from our 3rd Grade Math Centers eBook.  Try out the samples listed in blue under each Common Core State Standard or download the eBook and have all the 3rd Grade Number, Geometry, Measurement and Data Centers you’ll need for the entire school year in one convenient digital file.  With over 150 easy-prep, engaging centers this resource will simplify your math lesson planning and make hands-on math instruction an integral part of your classroom.
Teaching in a state that is implementing their own specific math standards?  Download our 3rd Grade Correlations document for cross-referenced tables outlining the alignment of each state's standards with the CCSS-M, as well as the page numbers in our 3rd Grade Math Centers eBook related to each standard.

OPERATIONS AND ALGEBRAIC THINKING

Represent and solve problems involving multiplication and division

3.OA.A.1 Interpret products of whole numbers, e.g. interpret 5 x 7 as the total number of objects in 5 groups of 7 objects each. For example, describe a context in which a total number of objects can be expressed as 5 x 7.

Array Picture Cards
Building Arrays

Also included in 3rd Grade Math Centers

3.OA.A.2 Interpret whole-number quotients of whole numbers, e.g. interpret 56÷8 as the number of objects in each share when 56 objects are partitioned equally into 8 shares, or as a number of shares when 56 objects are partitioned into equal shares of 8 objects each. For example, describe a context in which a number of shares or a number of groups can be expressed as 56 ÷ 8.

Identify the Unknown

3.OA.A.3 Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g. by using drawings and equations with a symbol for the unknown number to represent the problem.

Word Problems: Arrays (Set 1)
Literature Link: One Hundred Hungry Ants
Literature Link: Six Dinner Sid
Literature Link: Amanda Bean's Amazing Dream
Literature Link: The Doorbell Rang

Also included in 3rd Grade Math Centers

3.OA.A.4 Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 x?=48, 5 = ?÷3, 6x6 =?

Missing Numbers: Division

Also included in 3rd Grade Math Centers

Understand properties of multiplication and the relationship between multiplication and division

3.OA.B.5 Apply properties of operations as strategies to multiply and divide. Examples: If 6x4=24 is known then 4x6=24 is also known (Commutative property of multiplication.) 3x5x2 can be found by 3x5=15, then 15x2=30, or by 5x2=10, then 3x10=30 (Associative property of multiplication). Knowing that 8x5=40 and 8x2=16, one can find 8x7 as 8 x (5+2) = (8x5) + (8x2) = 40 +16 =56 (Distributive property).

Turn Your Array
Math Literature Link: Each Orange Had 8 Slices

Also included in 3rd Grade Math Centers

3.OA.B.6 Understand division as an unknown-factor problem. For example, find 32 ÷ 8 by finding the number that makes 32 when multiplied by 8. 

Division as an Unknown Factor (x5 & x10)

Also included in 3rd Grade Math Centers


3.OA.A.1 Array Picture Cards


Multiplication and Division Read Alouds



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Multiply and divide within 100

3.OA.C.7 Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8x5=40, one knows 40÷5=8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.

Multiplication Bump (x2 - x5)
Multiples Game (x2 - x 5)
Domino Multiplication
I Have ... Who Has? (x2 & x5)
I Have ... Who Has (x2 & x10)
I Have ... Who Has (x3 & x5)
Division Squares (divisors 2,5,10)
Six Sticks

Also included in 3rd Grade Math Centers

Solve problems involving the four operations, and identify and explain patterns in arithmetic

3.OA.D.8 Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.

Word Problems: Two-Step (Set 2)

Also included in 3rd Grade Math Centers

3.OA.D.9 Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. For example, observe that 4 times a number is always even, and explain why 4 times a number can be decomposed into two equal addends.

Roll a Rule (v. 1)
Odd and Even Sums
Odd and Even Products
Patterns in the Multiplication Table

Also included in 3rd Grade Math Centers

3.OA.C.7 Domino Multiplication
3.OA.C.7 Fill the Grid

  MORE THIRD GRADE RESOURCES - click on a cover for more information

3rd Grade Math Bundle: Packed with resources for the 3rd Grade classroom
3rd Grade Math Journals
Math Tool Kit: 60 math tools to support the development of students' math skills and understandings in Grades 3-5
Multiplication and Division Strategies to build fluency with basic facts
Math Puzzles, Patterns and Explorations for Grades 3-5



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NUMBER AND OPERATIONS IN BASE TEN

Use place value understanding and properties of operations to perform multi-digit arithmetic

3.NBT.A.1 Use place value understanding to round whole numbers to the nearest 10 or 100.

Round to the Nearest Ten
Estimating Sums (v. 1)
Estimating Differences (v. 1)

Also included in 3rd Grade Math Centers

3.NBT.A.2 Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

Word Problems: Addition and Subtraction within 1,000
Literature Link: 365 Penguins
3 Digit Addition Split

Also included in 3rd Grade Math Centers

3.NBT.A.3 Multiply one-digit whole numbers by multiples of 10 in the range 10-90 (e.g., 9x80, 5x60) using strategies based on place value and properties of operations.

Multiples of Ten Multiply

Also included in 3rd Grade Math Centers
3.NBT.A.1 Estimating Sums

NUMBER AND OPERATIONS: FRACTIONS

Develop understanding of fractions as numbers

3.NF.A.1 Understand a fraction 1/b as a quantity formed by 1 part when a whole is partitioned into b equal parts: understand a fraction a/b as the quantity formed by a parts of size 1/b.

Making Fraction Strips (v. 1)
My Fraction Bar Riddle
Literature Link: Picture Pie (v.1)
Literature Link: Gator Pie (v. 1-2)

Also included in 3rd Grade Math Centers

3.NF.A.2 Understand a fraction as a number on the number line; represent fractions on a number line diagram.
a. Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and portioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.

Fractions on a Number Line

b. Represent a fraction a/b on a number line diagram by marking off a lengths 1/b from 0. Recognize that the resulting interval has size a/b and that its endpoint locates the number a/b on the number line.

Roll a Fraction

3.NF.A.3 Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size.
a. Understand two fractions as equivalent (equal) if they are the same size, or the same point on a number line. 

Pizza for Dinner 

b. Recognize and generate simple equivalent fractions e.g., ½ = 2/4, 4/6 = 2/3) Explain why the fractions are equivalent, by using a visual model. 

Equivalent Fractions on a Geoboard

Also included in 3rd Grade Math Centers

c. Express whole numbers as fractions, and recognize fractions that are equivalent to whole numbers. Examples: Express 3 in the form 3 = 3/1; recognize that 6/1 = 6; locate 4/4 and 1 at the same point of a number line diagram.

Make One Whole (v. 1)

Also included in 3rd Grade Math Centers

d. Compare two fractions with the same numerator or the same denominator by reasoning about their size. Recognize that comparisons are valid only when the two fractions refer to the same whole. Record the results of comparisons with the symbols >, =, or < and justify the conclusions, e.g., by using a visual fraction model.

Compare Fractions of a Whole (v. 1)

Also included in 3rd Grade Math Centers

3.NF.A.3.b Equivalent Fractions on a Geoboard
3.NF.A.3.c Make One Whole

3.NF.A.3.d Compare Fractions

Multiplication Read Alouds