Painter

Image:

Difficulty:
Easy (no arithmetic)
Medium (addition and subtraction)
Hard (addition, subtraction, and multiplication)

Word Search

List of words, one per line:

Right-to-left layout (for Hebrew/Arabic)

Number Maze

Find a path from start to finish, each time increasing or decreasing by 1.

Maze Size:

Allow decreasing numbers

Sequences

Find the next value in an arithmetic or geometric sequence.

Maximum Number:

Difficulty:
Easy (only arithmetic sequences)
Medium (some quadratic sequences)
Hard (only quadratic sequences)

Addition Square

Find the values in each square of the board such that the rows and columns sum up to the required values.

Board Size:

Maximum Number:

Simple Crypto

Decode a hidden message using a given substitution key.

Plaintext:

Right-to-left order (for Hebrew/Arabic)

Number Crypto

Decode a hidden message where the substitution key requires solving arithmetic exercises.

Maximum Number:

Arithmetic Difficulty:
Easy (only addition and subtraction)
Hard (addition, subtraction, and multiplication)

Plaintext:

Right-to-left order (for Hebrew/Arabic)