Addition and Subtraction CSI Maths Challenge – Teachers Pet Bug! Years 2-4

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Your students will love practising their addition and subtraction facts in a crime scene investigation bug-themed challenge. In this activity, the classroom has been taken over by bugs, so the exterminator has been called. But there is a problem – the teacher has a pet bug that they want to be saved! Students need to solve a series of clues to figure out which bug is the teacher’s pet and save it from getting squished!

This Addition and Subtraction CSI Maths Challenge features the following activities:

  1. Clue 1: Two-digit plus two-digit addition
  2. Clue 2: Two-digit subtraction
  3. Clue 3: Addition word problems.
  4. Clue 4: Odds and evens, and simple addition.
  5. Clue 5: Hidden Message. Mix of addition and subtraction.
  • An engaging introduction video to set the scene and hook your students.

There are also extension and extra activities which include:

  • Writing Activity: A day in the life of a bug.
  • Ant Maze: Multiplication

Year Level: Years 2-4

Maths Topics: Two digit addition and subtraction, word problems, odds and evens, multiplication (extension activity)