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## CO.3.1.Number Sense, Properties, and Operations

Number Sense, Properties, and Operations
3.1.1. The whole number system describes place value relationships and forms the foundation for efficient algorithms. Students can:
3.1.1.a. Use place value and properties of operations to perform multi-digit arithmetic. (CCSS: 3.NBT)
3.1.1.a.i. Use place value to round whole numbers to the nearest 10 or 100. (CCSS: 3.NBT.1)
Vocabulary Terms Estimation
Vocabulary Terms Rounding Numbers
Quiz, Flash Cards, Worksheet, Game & Study Guide Estimation
Quiz, Flash Cards, Worksheet, Game & Study Guide Estimation
Quiz, Flash Cards, Worksheet, Game & Study Guide Rounding Numbers
Quiz, Flash Cards, Worksheet, Game & Study Guide Rounding to Nearest 10

3.1.1.a.ii. 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. (CCSS: 3.NBT.2)
Flip Charts Columns Across
Flip Charts Function Machine
Flip Charts Magic Squares
Flip Charts Step It Up
Vocabulary Terms Double Digit Subtraction
Vocabulary Terms One More, One Less
Vocabulary Terms Regrouping
Vocabulary Terms Word Problems
Vocabulary Terms Story Problems
Vocabulary Terms Subtraction Facts
Quiz, Flash Cards, Worksheet, Game & Study Guide 3 Digit Addition
Quiz, Flash Cards, Worksheet, Game & Study Guide 3 Digit Subtraction
Quiz, Flash Cards, Worksheet, Game & Study Guide 4 Digit Addition
Quiz, Flash Cards, Worksheet, Game & Study Guide Addition Facts
Quiz, Flash Cards, Worksheet, Game & Study Guide Addition/Subtraction
Quiz, Flash Cards, Worksheet, Game & Study Guide Associative Property
Quiz, Flash Cards, Worksheet, Game & Study Guide Commutative Property
Quiz, Flash Cards, Worksheet, Game & Study Guide Commutative/Associative Properties
Quiz, Flash Cards, Worksheet, Game & Study Guide Double Digit Addition
Quiz, Flash Cards, Worksheet, Game & Study Guide Double Digit Addition without Regrouping
Quiz, Flash Cards, Worksheet, Game & Study Guide Double Digit Subtraction
Quiz, Flash Cards, Worksheet, Game & Study Guide Multi-step Word Problems
Quiz, Flash Cards, Worksheet, Game & Study Guide One More, One Less
Quiz, Flash Cards, Worksheet, Game & Study Guide Regrouping
Quiz, Flash Cards, Worksheet, Game & Study Guide Word Problems
Quiz, Flash Cards, Worksheet, Game & Study Guide Story Problems
Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction Facts

3.1.1.a.iii. Multiply one-digit whole numbers by multiples of 10 in the range 10–90 using strategies based on place value and properties of operations. (CCSS: 3.NBT.3)
Flip Charts Columns Across
Flip Charts Function Machine
Flip Charts Magic Squares
Vocabulary Terms Division/Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Division/Multiplication

3.1.2. Parts of a whole can be modeled and represented in different ways. Students can:
3.1.2.a. Develop understanding of fractions as numbers. (CCSS: 3.NF)
3.1.2.a.i. Describe a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; describe a fraction a/b as the quantity formed by a parts of size 1/b. (CCSS: 3.NF.1)
Flip Charts Box It Up
Flip Charts Fraction Concepts
Flip Charts Fraction Concepts
Flip Charts Triangle Tricks
Vocabulary Terms Comparing Fractions
Vocabulary Terms Decimals/Fractions
Vocabulary Terms Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Add/Subtract Decimals
Quiz, Flash Cards, Worksheet, Game & Study Guide Add/Subtract Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Comparing Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Decimals/Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Equivalent Fractions to 1/2
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions Greater Than or Less Than 1/2
Quiz, Flash Cards, Worksheet, Game & Study Guide Number Line
Quiz, Flash Cards, Worksheet, Game & Study Guide Pattern Blocks
Quiz, Flash Cards, Worksheet, Game & Study Guide Probability

3.1.2.a.ii. Describe a fraction as a number on the number line; represent fractions on a number line diagram. (CCSS: 3.NF.2)
Quiz, Flash Cards, Worksheet, Game & Study Guide Number Line

3.1.2.a.iii. Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size. (CCSS: 3.NF.3)
3.1.2.a.iii.1. Identify two fractions as equivalent (equal) if they are the same size, or the same point on a number line. (CCSS: 3.NF.3a)
Flip Charts Fraction Concepts
Flip Charts Fraction Concepts
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions

3.1.2.a.iii.2. Identify and generate simple equivalent fractions. Explain why the fractions are equivalent. (CCSS: 3.NF.3b)
Flip Charts Fraction Concepts
Flip Charts Fraction Concepts
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions

3.1.2.a.iii.3. Express whole numbers as fractions, and recognize fractions that are equivalent to whole numbers. (CCSS: 3.NF.3c)
Flip Charts Box It Up
Flip Charts Fraction Concepts
Flip Charts Fraction Concepts
Flip Charts Triangle Tricks
Vocabulary Terms Comparing Fractions
Vocabulary Terms Decimals/Fractions
Vocabulary Terms Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Add/Subtract Decimals
Quiz, Flash Cards, Worksheet, Game & Study Guide Add/Subtract Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Comparing Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Decimals/Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Equivalent Fractions to 1/2
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions Greater Than or Less Than 1/2
Quiz, Flash Cards, Worksheet, Game & Study Guide Number Line
Quiz, Flash Cards, Worksheet, Game & Study Guide Pattern Blocks
Quiz, Flash Cards, Worksheet, Game & Study Guide Probability

3.1.2.a.iii.4. Compare two fractions with the same numerator or the same denominator by reasoning about their size. (CCSS: 3.NF.3d)
Flip Charts Box It Up
Flip Charts Triangle Tricks
Vocabulary Terms Comparing Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Comparing Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Equivalent Fractions to 1/2
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions Greater Than or Less Than 1/2

3.1.2.a.iii.5. Explain why comparisons are valid only when the two fractions refer to the same whole. (CCSS: 3.NF.3d)
Flip Charts Box It Up
Flip Charts Triangle Tricks
Vocabulary Terms Comparing Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Comparing Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Equivalent Fractions to 1/2
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions Greater Than or Less Than 1/2

3.1.2.a.iii.6. Record the results of comparisons with the symbols >, =, or <, and justify the conclusions. (CCSS: 3.NF.3d)
Flip Charts Box It Up
Flip Charts Triangle Tricks
Vocabulary Terms Comparing Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Comparing Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Equivalent Fractions to 1/2
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions Greater Than or Less Than 1/2

3.1.3. Multiplication and division are inverse operations and can be modeled in a variety of ways. Students can:
3.1.3.a. Represent and solve problems involving multiplication and division. (CCSS: 3.OA)
3.1.3.a.i. Interpret products of whole numbers. (CCSS: 3.OA.1)
Flip Charts Columns Across
Flip Charts Function Machine
Flip Charts Magic Squares
Vocabulary Terms More Multiplication
Vocabulary Terms Multiplication
Vocabulary Terms Multiplication
Vocabulary Terms Division/Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Commutative Property
Quiz, Flash Cards, Worksheet, Game & Study Guide Commutative/Associative Properties
Quiz, Flash Cards, Worksheet, Game & Study Guide More Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Division/Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Odd/Even
Quiz, Flash Cards, Worksheet, Game & Study Guide Word Problems

3.1.3.a.ii. Interpret whole-number quotients of whole numbers. (CCSS: 3.OA.2)
Flip Charts Columns Across
Flip Charts Function Machine
Flip Charts Magic Squares
Vocabulary Terms Division
Vocabulary Terms Division/Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Division
Quiz, Flash Cards, Worksheet, Game & Study Guide Division
Quiz, Flash Cards, Worksheet, Game & Study Guide Division/Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Word Problems

3.1.3.a.iii. Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities. (CCSS: 3.OA.3)
Vocabulary Terms Problem Solving
Quiz, Flash Cards, Worksheet, Game & Study Guide Problem Solving
Quiz, Flash Cards, Worksheet, Game & Study Guide Word Problems

3.1.3.b. Apply properties of multiplication and the relationship between multiplication and division. (CCSS: 3.OA)
3.1.3.b.i. Apply properties of operations as strategies to multiply and divide. (CCSS: 3.OA.5)
Flip Charts Columns Across
Flip Charts Function Machine
Flip Charts Magic Squares
Vocabulary Terms Division
Vocabulary Terms More Multiplication
Vocabulary Terms Multiplication
Vocabulary Terms Multiplication
Vocabulary Terms Division/Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Commutative Property
Quiz, Flash Cards, Worksheet, Game & Study Guide Commutative/Associative Properties
Quiz, Flash Cards, Worksheet, Game & Study Guide Division
Quiz, Flash Cards, Worksheet, Game & Study Guide Division
Quiz, Flash Cards, Worksheet, Game & Study Guide More Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Division/Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Word Problems

3.1.3.b.ii. Interpret division as an unknown-factor problem. (CCSS: 3.OA.6)
Quiz, Flash Cards, Worksheet, Game & Study Guide Division

3.1.3.c. Multiply and divide within 100. (CCSS: 3.OA)
3.1.3.c.i. Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division or properties of operations. (CCSS: 3.OA.7)
Flip Charts Columns Across
Flip Charts Function Machine
Flip Charts Magic Squares
Flip Charts Step It Up
Vocabulary Terms Division
Vocabulary Terms More Multiplication
Vocabulary Terms Multiplication
Vocabulary Terms Multiplication
Vocabulary Terms Division/Multiplication
Vocabulary Terms One More, One Less
Quiz, Flash Cards, Worksheet, Game & Study Guide Commutative Property
Quiz, Flash Cards, Worksheet, Game & Study Guide Commutative/Associative Properties
Quiz, Flash Cards, Worksheet, Game & Study Guide Division
Quiz, Flash Cards, Worksheet, Game & Study Guide Division
Quiz, Flash Cards, Worksheet, Game & Study Guide Double Digit Addition without Regrouping
Quiz, Flash Cards, Worksheet, Game & Study Guide More Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Division/Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide Odd/Even
Quiz, Flash Cards, Worksheet, Game & Study Guide One More, One Less
Quiz, Flash Cards, Worksheet, Game & Study Guide Word Problems

3.1.3.c.ii. Recall from memory all products of two one-digit numbers. (CCSS: 3.OA.7)
Flip Charts Columns Across
Flip Charts Function Machine
Flip Charts Magic Squares
Flip Charts Step It Up
Vocabulary Terms Multiplication
Vocabulary Terms One More, One Less
Quiz, Flash Cards, Worksheet, Game & Study Guide Double Digit Addition without Regrouping
Quiz, Flash Cards, Worksheet, Game & Study Guide Multiplication
Quiz, Flash Cards, Worksheet, Game & Study Guide One More, One Less

3.1.3.d. Solve problems involving the four operations, and identify and explain patterns in arithmetic. (CCSS: 3.OA)
3.1.3.d.i. Solve two-step word problems using the four operations. (CCSS: 3.OA.8)
Vocabulary Terms Problem Solving
Vocabulary Terms Story Problems
Vocabulary Terms Word Problems
Quiz, Flash Cards, Worksheet, Game & Study Guide Multi-step Word Problems
Quiz, Flash Cards, Worksheet, Game & Study Guide Problem Solving
Quiz, Flash Cards, Worksheet, Game & Study Guide Story Problems
Quiz, Flash Cards, Worksheet, Game & Study Guide Word Problems
Quiz, Flash Cards, Worksheet, Game & Study Guide Word Problems

3.1.3.d.ii. Represent two-step word problems using equations with a letter standing for the unknown quantity. (CCSS: 3.OA.8)
Quiz, Flash Cards, Worksheet, Game & Study Guide Multi-step Word Problems

3.1.3.d.iii. Assess the reasonableness of answers using mental computation and estimation strategies including rounding. (CCSS: 3.OA.8)
Vocabulary Terms Estimation
Quiz, Flash Cards, Worksheet, Game & Study Guide Estimation
Quiz, Flash Cards, Worksheet, Game & Study Guide Estimation

## CO.3.3.Data Analysis, Statistics, and Probability

Data Analysis, Statistics, and Probability
3.3.1. Visual displays are used to describe data. Students can:
3.3.1.a. Represent and interpret data. (CCSS: 3.MD)
3.3.1.a.ii. Solve one- and two-step “how many more” and “how many less” problems using information presented in scaled bar graphs. (CCSS: 3.MD.3)
Flip Charts Data & Graphs
Vocabulary Terms Graphs
Vocabulary Terms Graphs and Charts
Vocabulary Terms Tables and Graphs
Vocabulary Terms Represent Data
Quiz, Flash Cards, Worksheet, Game & Study Guide Graphs
Quiz, Flash Cards, Worksheet, Game & Study Guide Graphs and Charts
Quiz, Flash Cards, Worksheet, Game & Study Guide Tables and Graphs
Quiz, Flash Cards, Worksheet, Game & Study Guide Represent Data

3.3.1.a.iii. Generate measurement data by measuring lengths using rulers marked with halves and fourths of an inch. Show the data by making a line plot, where the horizontal scale is marked off in appropriate units— whole numbers, halves, or quarters. (CCSS: 3.MD.4)
Vocabulary Terms Comparing Objects
Vocabulary Terms Measurement
Vocabulary Terms Measurement
Vocabulary Terms Measurement
Quiz, Flash Cards, Worksheet, Game & Study Guide Comparing Objects
Quiz, Flash Cards, Worksheet, Game & Study Guide Determine Appropriate Standard of Units
Quiz, Flash Cards, Worksheet, Game & Study Guide Measurement
Quiz, Flash Cards, Worksheet, Game & Study Guide Measurement
Quiz, Flash Cards, Worksheet, Game & Study Guide Measurement
Quiz, Flash Cards, Worksheet, Game & Study Guide Units of Measure
Quiz, Flash Cards, Worksheet, Game & Study Guide Units of Measure

## CO.3.4.Shape, Dimension, and Geometric Relationships

Shape, Dimension, and Geometric Relationships
3.4.1. Geometric figures are described by their attributes. Students can:
3.4.1.a. Reason with shapes and their attributes. (CCSS: 3.G)
3.4.1.a.i. Explain that shapes in different categories may share attributes and that the shared attributes can define a larger category. (CCSS: 3.G.1)
3.4.1.a.i.1. Identify rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories. (CCSS: 3.G.1)
Flip Charts Polygons
Flip Charts Polygons

3.4.1.a.ii. Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole. (CCSS: 3.G.2)
Flip Charts Box It Up
Flip Charts Fraction Concepts
Flip Charts Fraction Concepts
Flip Charts Triangle Tricks
Vocabulary Terms Comparing Fractions
Vocabulary Terms Decimals/Fractions
Vocabulary Terms Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Add/Subtract Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Algebra
Quiz, Flash Cards, Worksheet, Game & Study Guide Comparing Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Decimals/Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Equivalent Fractions to 1/2
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions
Quiz, Flash Cards, Worksheet, Game & Study Guide Fractions Greater Than or Less Than 1/2
Quiz, Flash Cards, Worksheet, Game & Study Guide Number Line
Quiz, Flash Cards, Worksheet, Game & Study Guide Pattern Blocks
Quiz, Flash Cards, Worksheet, Game & Study Guide Probability

3.4.2. Linear and area measurement are fundamentally different and require different units of measure. Students can:
3.4.2.a. Use concepts of area and relate area to multiplication and to addition. (CCSS: 3.MD)
3.4.2.a.i. Recognize area as an attribute of plane figures and apply concepts of area measurement. (CCSS: 3.MD.5)
Quiz, Flash Cards, Worksheet, Game & Study Guide Area and Perimeter

3.4.2.a.ii. Find area of rectangles with whole number side lengths using a variety of methods. (CCSS: 3.MD.7a)
Quiz, Flash Cards, Worksheet, Game & Study Guide Area and Perimeter

3.4.2.a.iii. Relate area to the operations of multiplication and addition and recognize area as additive. (CSSS: 3.MD.7)
Quiz, Flash Cards, Worksheet, Game & Study Guide Area and Perimeter

3.4.2.b. Describe perimeter as an attribute of plane figures and distinguish between linear and area measures. (CCSS: 3.MD)
Flip Charts Dot to Dot
Flip Charts Shape Up
Vocabulary Terms Perimeter
Vocabulary Terms Perimeter
Quiz, Flash Cards, Worksheet, Game & Study Guide Area and Perimeter
Quiz, Flash Cards, Worksheet, Game & Study Guide Perimeter
Quiz, Flash Cards, Worksheet, Game & Study Guide Perimeter

3.4.2.c. Solve real world and mathematical problems involving perimeters of polygons. (CCSS: 3.MD.8)
3.4.2.c.i. Find the perimeter given the side lengths. (CCSS: 3.MD.8)
Flip Charts Dot to Dot
Flip Charts Shape Up
Vocabulary Terms Perimeter
Vocabulary Terms Perimeter
Quiz, Flash Cards, Worksheet, Game & Study Guide Area and Perimeter
Quiz, Flash Cards, Worksheet, Game & Study Guide Perimeter
Quiz, Flash Cards, Worksheet, Game & Study Guide Perimeter

3.4.3. Time and attributes of objects can be measured with appropriate tools. Students can:
3.4.3.a. Solve problems involving measurement and estimation of intervals of time, liquid volumes, and masses of objects. (CCSS: 3.MD)
3.4.3.a.i. Tell and write time to the nearest minute. (CCSS: 3.MD.1)
Vocabulary Terms Time
Vocabulary Terms Time
Vocabulary Terms Time
Quiz, Flash Cards, Worksheet, Game & Study Guide Time
Quiz, Flash Cards, Worksheet, Game & Study Guide Time
Quiz, Flash Cards, Worksheet, Game & Study Guide Time

3.4.3.a.ii. Measure time intervals in minutes. (CCSS: 3.MD.1)
Vocabulary Terms Time
Vocabulary Terms Time
Vocabulary Terms Time
Quiz, Flash Cards, Worksheet, Game & Study Guide Time
Quiz, Flash Cards, Worksheet, Game & Study Guide Time
Quiz, Flash Cards, Worksheet, Game & Study Guide Time

3.4.3.a.iv. Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l). (CCSS: 3.MD.2)
Vocabulary Terms Comparing Objects
Vocabulary Terms Measurement
Vocabulary Terms Measurement
Vocabulary Terms Measurement
Quiz, Flash Cards, Worksheet, Game & Study Guide Comparing Objects
Quiz, Flash Cards, Worksheet, Game & Study Guide Determine Appropriate Standard of Units
Quiz, Flash Cards, Worksheet, Game & Study Guide Measurement
Quiz, Flash Cards, Worksheet, Game & Study Guide Measurement
Quiz, Flash Cards, Worksheet, Game & Study Guide Measurement
Quiz, Flash Cards, Worksheet, Game & Study Guide Units of Measure
Quiz, Flash Cards, Worksheet, Game & Study Guide Units of Measure