
Fraction Operations (Add, Subtract, Multiply, Divide)
Mystery Detective Worksheets · Grades 5–6 · Printable Detective Pack
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Inside the case file
Fraction operations practice for 5th Grade and 6th Grade math made engaging and meaningful with fun. Each mystery focuses on operations with fractions—adding, subtracting, multiplying, dividing, and mixed operations—and is a great companion to your order of operations with fractions lessons or fraction review.
Mystery Stories & Fraction Skills
The Recipe Sabotage (Addition of Fractions)
A chef's winning recipe has been secretly changed before a big baking competition. Students add proper fractions with unlike denominators to recover the original ingredient amounts and find who tampered with the recipe.
The Stadium Seat Mystery (Subtraction of Fractions)
Sections of the stadium seating plan have been removed before a championship game. Students subtract proper fractions with unlike denominators to figure out how much seating is missing and identify who altered the plan.
The Space Supply Error (Multiplication of Fractions)
Someone has interfered with the supply calculations on a space station. Students multiply proper fractions to check fuel, food, and oxygen amounts and discover who caused the space sabotage.
The Treasure Share Mix-Up (Division of Fractions)
A pirate crew's treasure shares have been divided incorrectly. Students divide proper fractions to calculate fair shares and track down who changed the records.
The Blueprint Sabotage (Mixed Fraction Operations)
A new school building design has been altered. Students use mixed fraction operations (addition, subtraction, multiplication, and division) to fix the measurements and reveal who tampered with the blueprints.
Unlike traditional escape room activities, these Mini Mystery Detective cases don't require locks, codes, or complicated prep. Students rely on accurate fraction operations and math reasoning to eliminate suspects and solve each case.
Skills Covered
- Fraction operations with proper fractions
- Adding and subtracting fractions with unlike denominators
- Multiplying and dividing fractions
- Mixed operations with fractions
- Simplifying fractions
- Using math reasoning and deduction to solve a mystery
Suggested Uses
- Grade 5 fraction operations lessons and review
- Grade 6 operations with fractions practice and consolidation
- Math centers or stations
- Early finishers
- Small-group intervention
- Test prep or end-of-unit review
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