This day is known for pranks and puzzles.
Try one of these 4 activities on April Fools Day.
Ask students to analyze where I made my mistake
For members we have solutions. PerplexingProblem-solution.pdf
CCSS: MP1, MP3, 4.OA, 5.G, 8.EE, 8.SP
Or baffle 'em with this Mystical Mathematical Mind Reader activity. They will think you are pulling one over on them until they figure out the math!
CCSS: 4.OA.4, 5.OA.1, HSA.CED.A.2, MP1, MP3, MP4, MP7, MP8