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Math Fundamentals

Complete lessons to earn flame badges! Get 🔥 for completing practice, 🔥🔥 for perfect practice runs, and 🔥🔥🔥 for passing speed tests to master each lesson.

  • 🎯 Lessons
    64 lessons
    Basic Addition: Combining Small sets of Objects
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    Addition Within 5
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    Adding 1-9 and 2-3
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    Adding 1-3 and 4-9
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    Adding with 0
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    Adding 10 and 1-9
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    Adding 4, 5, 6, 7, 8, 9 and 4
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    Adding 4-9 and 4-9
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    Addition to 18
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    Adding a Multiple of 10 and a Non-Multiple of 10
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    Adding One-Digit and Two-Digit Numbers Without Carrying
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    Adding Two-Digit Numbers Without Carrying
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    Adding Two-Digit And One-Digit With Carrying
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    Adding Two-Digit Numbers With Carrying
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    Quickly Subtracting 1-2 from 2-9
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    Quickly Subtracting 2-3 from 3-9
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    Quickly Subtracting 4 from 4-9
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    Quickly Subtracting 0 or a Number From Itself
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    Quickly Subtracting 5-9 from 5-9
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    Quickly Subtracting 1-9 from 10
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    Quickly Subtracting Multiples of 10
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    Subtraction from 18
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    Quickly Subtracting a Multiple of 10 from a Non-Multiple of 10
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    Quickly Subtracting One-Digit from Two-Digit Numbers Without Borrowing
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    Subtracting One-Digit From Two-Digit Numbers Without Borrowing
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    Subtracting One-Digit From Two-Digit Numbers With Borrowing
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    Subtracting Two-Digit Numbers Without Borrowing
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    Subtracting Two-Digit Numbers With Borrowing
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    Introduction to Multiplication: repeated addition and the multiplication sign
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    Introduction To Multiplication: Repeated Addition
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    Multiplying 2 and 1-9
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    Quickly Multiplying 3 and 2-9
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    Quickly Multiplying with 0 or 1
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    Quickly Multiplying 10 or 11 and 2-9
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    Quickly Multiplying 5 and 2-9
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    Quickly Multiplying 9 and 2-9
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    Quickly Multiplying 4 and 2-9
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    Quickly Multiplying 6 and 2-9
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    Quickly Multiplying 8 and 2-9
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    Quickly Multiplying 7 and 2-9
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    Mixed Practice: Quickly Multiplying 2-4 and 2-9
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    Mixed Practice: Quickly Multiplying 5 or 9 and 2-9
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    Mixed Practice: Quickly Multiplying 6-8 and 2-9
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    Mixed Practice: Quickly Multiplying 4-9 and 4-9
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    Quickly Multiplying One-Digit and Two-Digit Numbers With Carrying
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    Extreme Times Tables Challenge!
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    Introduction To Division: Grouping Objects
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    Quickly Dividing by 2 When the Result is 2-9
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    Quickly Dividing by 3 When the Result is 2-9
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    Quickly Dividing by 10 or 11 When the Result is 2-9
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    Quickly Dividing by 5 When the Result is 2-9
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    Quickly Dividing by 9 When the Result is 2-9
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    Quickly Dividing by 4 When the Result is 2-9
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    Quickly Dividing by 6 When the Result is 2-9
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    Quickly Dividing by 8 When the Result is 2-9
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    Quickly Dividing by 7 When the Result is 2-9
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    Quickly Dividing by 12 When the result is 2-9
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    Mixed Practice: Quickly Dividing by 2-4 When the Result is 2-9
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    Mixed Practice: Quickly Dividing by 5 or 9 When the Result is 2-9
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    Mixed Practice: Quickly Dividing by 6-8 When the Result is 2-9
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    Mixed Practice: Quickly Dividing by 4-9 When the Result is 2 - 9
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    Mixed Practice: Quickly Dividing by 10-12 When the Result is 2-9
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    Quickly Dividing Two-Digit by Two-Digit Numbers When Each Digit is Divisible
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    Division Facts Challenge!
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