CLASSHERO CURRICULUM

3rd Grade Math

Multiplication & Division

Multiplication

Interpret products of whole numbers.

3.OA.A.1

Division

Interpret whole-number quotients of whole numbers.

3.OA.A.2

Multiplication Equations

Determine the unknown whole number in a multiplication or division equation relating three whole numbers.

3.OA.A.4

Division Equations

Determine the unknown whole number in a multiplication or division equation relating three whole numbers.

3.OA.A.4

Properties I

Apply properties of operations as strategies to multiply and divide Understand division as an unknown-factor problem. Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division or properties of operations. Identify arithmetic patterns and explain them using properties of operations

3.OA.C.7, 3.OA.B.5, 3.OA.D.9, 3.OA.B.6

Properties II

Apply properties of operations as strategies to multiply and divide Identify arithmetic patterns and explain them using properties of operations.

3.OA.D.9, 3.OA.B.5

Multiplication Facts

Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division or properties of operations.

3.OA.C.7

Division Facts

Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division or properties of operations.

3.OA.C.7

Place Value

Rounding of Numbers

Use place value understanding to round whole numbers to the nearest 10 or 100.

3.NBT.A.1

Add & Subtract I

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.

3.NBT.A.2

Add & Subtract 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.

3.NBT.A.2

Number Pattern: Addition

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.

3.NBT.A.2

Number Pattern: Subtraction

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.

3.NBT.A.1

Basic Operations

Single Operation

Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity.

3.OA.D.8

Multiple Operations

Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity.

3.OA.D.8

Fractions

Fractions with Shapes

Understand a fraction 1/b as the 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.

3.NF.A.1

Definition of Fraction

Understand a fraction 1/b as the 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.

3.NF.A.1

Fractions on Number Line

Understand a fraction as a number on the number line; represent fractions on a number line diagram.

3.NF.A.2

Fraction Representation

Understand a fraction as a number on the number line; represent fractions on a number line diagram.

3.NF.A.2

Comparing Fractions I

Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size.

3.NF.A.3

Comparing Fractions II

Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size.

3.NF.A.3

Comparing Fractions III

Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size.

3.NF.A.3

Measurement & Estimation

Time

Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes

3.MD.A.1

Length

Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l).1 Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units.

3.MD.A.2

Volume

Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l).1 Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units.

3.MD.A.2

Mass

Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l).1 Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units.

3.MD.A.2

Ruler

Measuring lengths using rulers marked with halves and fourths of an inch.

3.MD.B.4

Data: Picture Graph

Draw a scaled picture graph and a scaled bar graph to represent a data set with several categories. Solve one- and two-step “how many more” and “how many less” problems using information presented in scaled bar graphs.

3.MD.B.3

Data: Bar Graph

Draw a scaled picture graph and a scaled bar graph to represent a data set with several categories. Solve one- and two-step “how many more” and “how many less” problems using information presented in scaled bar graphs.

3.MD.B.3

Area

Recognize area as an attribute of plane figures and understand concepts of area measurement. Measure areas by counting unit squares.

3.MD.C.5, 3.MD.C.6

Area Word Problems

Relate area to the operations of multiplication and addition.

3.MD.C.7

Perimeter

Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and different perimeters.

3.MD.D.8

Geometry

Lines & Angles

Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories.

3.G.A.1

Shapes I

Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories.

3.G.A.1

Shapes II

Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories.

3.G.A.1