Math Sudoku
- Grades
- Grades 7–10, Middle School, High School
- File type
- Editable
- Yes
- Subject
- Math, Algebra
- Topic
- sudoku, puzzle
- Resource types
- Activities, Games
- Editable
- Yes
About this resource
What's inside this resource
A sudoku with a mathematical twist! Each sudoku square has a mathematical computation instead of a number. Students must solve the expression first before completing the puzzle. In the second activity, students will write their own expressions to make a completely new sudoku board of their own creation!
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In the classroom
Teaching tips & learning objectives
Learning objectives
Evaluate math expressions involving GCF, fractions, exponents, and square roots to determine a digit 1-9.
Apply Sudoku logic to complete a 9x9 grid so each row, column, and 3x3 box contains every digit once.
Write original math expressions, including fractions, exponents, and factorials, that evaluate to a specified digit.
Teaching tips
Start with Activity 1 (solving the pre-built expression Sudoku) before assigning Activity 2, which requires students to author their own expressions.
Adapt the 'Write Your Expressions' page directions to match whatever unit topics the class has recently covered, as the teacher notes suggest.
Have students swap their completed Activity 2 boards with a partner to solve each other's puzzles as a peer-check step.
Skills covered
Mixed math-expression evaluation — students solve expressions involving GCF, fractions, exponents, and square roots to find each digit.
Sudoku logic — students apply row/column/box uniqueness rules to complete a 9x9 grid.
Original expression writing — students write their own math expressions for a target digit, incorporating fractions, exponents, and factorials.
Good to know
Questions teachers ask about this resource
How does Activity 2 differ from simply solving a pre-made Sudoku puzzle?
In Activity 2, students choose a blank board layout and invent their own math expression for every number on it, writing the expressions on a separate planning page before copying them into the correct squares, so the puzzle they create can then be solved by a classmate.
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Curriculum
Standards, concepts & topics
Standards
Standards
- 8.EE.A.1 — Know and apply the properties of integer exponents to generate equivalent numerical expressions. For example, 32 × 3–5 = 3–3 = 1/33 = 1/27
- 8.EE.A.2 — Use square root and cube root symbols to represent solutions to equations of the form x2 = p and x3 = p, where p is a positive rational number. Evaluate square roots of small perfect squares and cube roots of small perfect cubes. Know that √2 is irrational.
- 6.EE.A.1 — Write and evaluate numerical expressions involving whole-number exponents.
Core concepts
Core concepts
Sudoku logic
order of operations
GCF
exponents
Topics
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