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  • 1,198 problems
  • 9 difficulty levels
  • +5 to +405 XP per problem

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All problems

Showing 1–48 of 1,198

  • 1.1Arithmetic

    Up next

    Two-digit addition

    Difficulty 1 of 9+5 XP
  • 1.2Arithmetic

    Locked

    Three-digit subtraction

    Difficulty 1 of 9+5 XP
  • 1.3Arithmetic

    Locked

    Times table

    Difficulty 1 of 9+5 XP
  • 1.4Arithmetic

    Locked

    Subtracting two numbers

    Difficulty 1 of 9+5 XP
  • 1.5Arithmetic

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    Two-step calculation

    Difficulty 1 of 9+5 XP
  • 1.6Fractions

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    Simplify the fraction

    Difficulty 1 of 9+5 XP
  • 1.7Equations

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    Basic equation

    Difficulty 1 of 9+5 XP
  • 1.8Geometry

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    Rectangle area

    Difficulty 1 of 9+5 XP
  • 1.9Geometry

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    Square perimeter

    Difficulty 1 of 9+5 XP
  • 1.10Fractions

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    Fraction addition

    Difficulty 1 of 9+5 XP
  • 1.11Logic

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    Logic: days of the week

    Difficulty 1 of 9+5 XP
  • 1.12Logic

    Locked

    Snail in the well

    Difficulty 1 of 9+5 XP
  • 1.13Fractions

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    Three pizzas, four people

    Difficulty 1 of 9+5 XP
  • 1.14Equations

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    Shifted equation

    Difficulty 1 of 9+5 XP
  • 1.15Geometry

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    Triangle third angle

    Difficulty 1 of 9+5 XP
  • 1.16Combinatorics

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    Handshakes

    Difficulty 1 of 9+5 XP
  • 1.17Arithmetic

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    Reverse percentage

    Difficulty 1 of 9+5 XP
  • 1.18Fractions

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    Two thirds

    Difficulty 1 of 9+5 XP
  • 1.19Equations

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    Equation with brackets

    Difficulty 1 of 9+5 XP
  • 1.20Geometry

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    Missing side

    Difficulty 1 of 9+5 XP
  • 1.21Logic

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    Sequence 2, 6, 12, 20…

    Difficulty 1 of 9+5 XP
  • 1.22Arithmetic

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    Sum to twenty

    Difficulty 1 of 9+5 XP
  • 1.23Combinatorics

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    Arrangements of MAT

    Difficulty 1 of 9+5 XP
  • 1.24Probability

    Locked

    Even number on a die

    Difficulty 1 of 9+5 XP
  • 1.25Algebra

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    Square root

    Difficulty 1 of 9+5 XP
  • 1.26Fractions

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    Fraction difference

    Difficulty 1 of 9+5 XP
  • 1.27Geometry

    Locked

    Cube volume

    Difficulty 1 of 9+5 XP
  • 1.28Arithmetic

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    Multiply by eleven

    Difficulty 1 of 9+5 XP
  • 1.29Logic

    Locked

    Day in 100 days

    Difficulty 1 of 9+5 XP
  • 1.30Equations

    Locked

    Equation with a fraction

    Difficulty 1 of 9+5 XP
  • 1.31Arithmetic

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    Least common multiple

    Difficulty 1 of 9+5 XP
  • 1.32Arithmetic

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    Greatest common divisor

    Difficulty 1 of 9+5 XP
  • 1.33Combinatorics

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    Choosing two books

    Difficulty 1 of 9+5 XP
  • 1.34Probability

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    Two coins – both heads

    Difficulty 1 of 9+5 XP
  • 1.35Geometry

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    Pentagon angle sum

    Difficulty 1 of 9+5 XP
  • 1.36Algebra

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    From 3a to 5a

    Difficulty 1 of 9+5 XP
  • 1.37Fractions

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    Decimal to fraction

    Difficulty 1 of 9+5 XP
  • 1.38Arithmetic

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    Percent of a number

    Difficulty 1 of 9+5 XP
  • 1.39Logic

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    Four daughters

    Difficulty 1 of 9+5 XP
  • 1.40Equations

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    Two consecutive numbers

    Difficulty 1 of 9+5 XP
  • 1.41Geometry

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    Hypotenuse of 6 and 8

    Difficulty 1 of 9+5 XP
  • 1.42Arithmetic

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    Power of two

    Difficulty 1 of 9+5 XP
  • 1.43Combinatorics

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    Three-digit from 1, 2, 3

    Difficulty 1 of 9+5 XP
  • 1.44Probability

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    Red marble

    Difficulty 1 of 9+5 XP
  • 1.45Algebra

    Locked

    Evaluate an expression

    Difficulty 1 of 9+5 XP
  • 1.46Fractions

    Locked

    Sum of three fractions

    Difficulty 1 of 9+5 XP
  • 1.47Geometry

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    Side from a square

    Difficulty 1 of 9+5 XP
  • 1.48Arithmetic

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    Product with zero

    Difficulty 1 of 9+5 XP