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3rd Grade Math covers all Common Core math standards for 3rd grade as listed below and supports Apple Schoolwork.

NUMBERS AND OPERATIONS IN BASE 10 (3.NBT)
Use place value understanding and properties of operations to perform multi-digit arithmetic.
Place Value (3.NBT.1)
Place Value Blocks
Place Names
Expanded Notation
Comparing Numbers
Ordering Numbers
Use place value understanding to round whole numbers to the nearest 10 or 100.
Rounding & Estimating
Rounding Whole Numbers ((3.NBT.1)
Estimating Whole Numbers (3.NBT.3)
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or relationship between addition and subtraction.
Adding Whole Numbers (3.NBT.2)
Addition Tables
Addition on the Number Line
1-Digit Addition
2-Digit Addition
3-Digit Addition
Alternative Method - Partial Sums
Alternative Method - Expanded Notation
Alternative Method - Column Addition
Subtracting Whole Numbers (3.NBT.2)
Subtraction on the Number Line
1-Digit Subtraction
2-Digit Subtraction
3-Digit Subtraction
Borrowing Across 0’s
Missing Number
Alternative Method

OPERATIONS AND ALGEBRAIC THINKING (3.OA)
Understand properties of multiplication and the relationship between multiplication and division.
Multiply and divide within 100.
Multiplication Tables (3.OA.7)
1-Digit Multiplication (3.OA.1)
Division Tables (3.OA.7)
Relating Division to Multiplication (3.OA.2, 6)
Relating Division Word Problems (3.OA.3, 4, 6)
1-Digit Divisor (3.OA.2)
Solve problems involving the four operations.
Word Problems (3.OA)
Add or Subtract (3.OA.3)
Multiply or Divide (3.OA.3)
Add, Subtract, Multiply, or Divide (3.OA.3, 6)
Multi-Step (3.OA.3, 8)
Identify and explain patterns in arithmetic.
Patterns (3.OA.9)
Skip Counting
Number & Shape Patterns
Algebraic Properties (3.OA.5)

NUMBER AND OPERATIONS - FRACTIONS (3.NF)
Develop understanding of fractions as numbers.
Identifying Fractions (3.NF.1)
Fractions on a Line (3.NF.2)
Drawing Fractions (3.NF.2)
Part of a Group (3.NF.1)
Equivalent Fractions (3.NF.3)
Creating Equivalent Fractions (3.NF.3.a)
Finding Equivalent Fractions (3.NF.3.b)
Comparing Fractions (3.NF.3.d)

MEASUREMENT AND DATA (3.MD)
Solve problems involving intervals of time, liquid volumes, and masses of objects.
Understand concepts of area and perimeter and relate them to multiplication and addition.
Time (3.MD.1)
Length (3.MD.4)
Area & Perimeter (3.MD.5, 6, 7, 8)
Liquid Volume (3.MD.2)
Represent and interpret data.
Pictographs (3.MD.3)
Bar Graphs (3.MD.3, 4)

GEOMETRY (3.G)
Reason with shapes and their attributes.
Terminology
Classifying Shapes
Fractions
GAMES
Labyrinth
Snakes and Ladders
Bridge the Swamp
The Money Trail
Time