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Bingo: Ratios and proportions

Cut out the cards. The caller reads a question; if your card has the answer, cover it. Four in a row wins.

BINGO

n = 45Yes1:1n = 16x = 48Nox = 21:3155:45x = 408:16n = 1432x = 4525:45

BINGO

Yesn = 275:31:3x = 4825:458:16n = 16n = 14x = 45x = 42x = 18y = 84n = 458No

BINGO

5:451:18:16x = 2x = 482:5x = 42x = 18x = 401:3n = 16y = 20932Noy = 84n = 45

BINGO

y = 841:1n = 16x = 48x = 4515n = 27x = 182:5832n = 45No5:3Yes8:16

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Caller's list: Ratios and proportions

Read the questions in any order. Tick each one as you call it.

  1. ☐ Are the ratios 3:9 and 12:35 equivalent? (No)
  2. ☐ 4:4 = __:32 (32)
  3. ☐ Are the ratios 8:1 and 16:2 equivalent? (Yes)
  4. ☐ Solve: x / 12 = 7 / 2 (x = 42)
  5. ☐ Solve: 2 / 6 = x / 6 (x = 2)
  6. ☐ Simplify the ratio 45:27. Type it like 3:2. (5:3)
  7. ☐ Which ratio is equivalent to 5:9? (25:45)
  8. ☐ Solve: 8 / 6 = 112 / y (y = 84)
  9. ☐ Simplify the ratio 8:24. Type it like 3:2. (1:3)
  10. ☐ Solve: x / 72 = 8 / 12 (x = 48)
  11. ☐ Solve: x / 60 = 8 / 12 (x = 40)
  12. ☐ 3:2 = 12:__ (8)
  13. ☐ Solve: 6 / 2 = 42 / n (n = 14)
  14. ☐ Simplify the ratio 10:25. Type it like 3:2. (2:5)
  15. ☐ Which ratio is equivalent to 4:8? (8:16)
  16. ☐ Which ratio is equivalent to 1:9? (5:45)
  17. ☐ Simplify the ratio 9:9. Type it like 3:2. (1:1)
  18. ☐ Solve: x / 10 = 9 / 2 (x = 45)
  19. ☐ Solve: 6 / 11 = 114 / y (y = 209)
  20. ☐ Solve: x / 72 = 3 / 12 (x = 18)
  21. ☐ Solve: 6 / 4 = 24 / n (n = 16)
  22. ☐ Solve: 9 / 9 = 45 / n (n = 45)
  23. ☐ Solve: 7 / 3 = 63 / n (n = 27)
  24. ☐ 3:5 = __:25 (15)

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