How it works
Algebra bingo for pre-algebra and algebra 1: the cards hold 30 solutions, from x = −5 to x = 24. Each has one equation to call: ten one-step, ten two-step and ten with brackets or x on both sides.
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Write the equation, not the answer
Press Call the game, then Call the next one. The caller shows the solution with its equation. Write 9x − 11 = −47 on the board; pupils solve it and cover x = −4.
Play one level
If your class has met one-step equations only, keep the ten solutions listed under that level in the word list under More options, delete the rest, and choose 3 × 3.
Questions and answers
How do you play algebra bingo?
Each pupil has a different card of solutions. You write an equation, pupils solve it, and whoever has that solution covers it. The first to finish a row, column or diagonal shows their working.
How do you solve 4x − 11 = x + 22?
Take x from both sides: 3x − 11 = 22. Add 11 to both sides: 3x = 33. Divide by 3: x = 11. Check it: 4 × 11 − 11 = 33, and 11 + 22 = 33.
Can two equations have the same answer?
Not in this set. Each of the 30 solutions has exactly one equation, so every call points to one square and a winning card is quick to check against the list.