Easter Addition & Subtraction CSI Mystery Worksheets

Inside the case file

Easter Egg Hunt CSI math worksheets for addition, subtraction and skip counting, ready for March and April with a CSI Mystery Detective case behind them. Most of the eggs vanished before the hunt started, and somebody knew exactly where to look. Your 2nd grade and 3rd grade students rule one suspect out with every correct answer until the culprit is the only name left. It plays like a paper-based escape room without any of the setup: print in color or black and white and the mystery runs itself. Students highlight the correct sums, color a skip-counting maze in tens, and build an addition pyramid whose odd and even answers settle the last clue. Answer keys included.

The Case: The Easter Egg Hunt

Easter has arrived at school and the Annual Easter Egg Hunt is the only thing anyone is talking about. Every year the principal hands one trusted person the job of hiding the eggs around the grounds. This year they were hidden, and then most of them were gone before the hunt even started. Somebody knew exactly where to look, and your students have the math to work out who.

What's Inside

• Spotting which addition and subtraction problems are correct and highlighting them
• Skip counting in tens through a maze, coloring each number on the way
• A sequence of linked questions that builds to one final number
• Number problems that reveal the next letter of the description
• An addition pyramid where the count of odd and even answers settles the clue
• Full color and black-and-white versions of every page
• Answer keys for the whole case

What Is a CSI Mystery Detective Case?

Students are the detectives and math is the only evidence they get. That is the whole of a CSI Mystery Detective case: work the page, rule a suspect out with each correct answer, and close the case on the last name standing. It runs as a math escape room with no locks, no app and no prep at all. It is also self-marking in practice, which math worksheets are not - a wrong answer produces a culprit who cannot exist. Use it as a math activity, in math centers, or as a sub plan.

When to Use This Resource

• Easter week in March or April, when a normal worksheet will not hold them
• The days before a holiday, when you still want real math done
• Math centers, early finishers and independent work
• Emergency sub plans that run themselves
• End of year review, when attention is thin and the work still has to happen

Grade Levels

Built for 2nd grade and 3rd grade. Second graders usually need a little support on the sequence page; third graders run the whole case on their own. It also suits 4th grade students who need addition, subtraction and skip counting review without it feeling like going back a year.

Why Teachers Love CSI Mystery Detective Cases

• Zero prep - print and hand out
• Self-checking by design, because a wrong answer breaks the deduction
• An Easter activity that still does real math
• Works as a whole lesson, a center, or a filler for an awkward afternoon

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