Math Puzzle Monday!

Time for a new math puzzle! This week, we have a true or false equation grid: each square contains an equation, and the job of the puzzle-solver is to spot the wrong equations and then to color them in. If done correctly, the wrong equations form a pattern! For my classes, this pattern is often a letter or a number, although that’s not the case in the puzzle below.

These grids are an excellent way to make sure that a student has a robust, relational view of the equals sign. They are also a good spot check for whether they understand the difference between expressions like 2﹣3 and 3﹣2.

Staying on theme with my recent posts, this week’s grid only uses addition and subtraction:

Click on the image to open a pdf of the same puzzle.

And as usual, here’s the solution if you need. In this solution, the green squares are correct and the red squares are incorrect:

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