Back to the lesson and practice

Free to print and copy for home or class. This link always prints the same sheet.

eurekami

Bingo: 8th grade number sense

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

BINGO

Irrational∛55.4 × 10¹¹39 and 10Rational4 × 10²x = -2136 and 75.9 × 10⁻⁴45009.1 × 10⁻²5√2x = 4

BINGO

Irrational7x = 45800000045004Rational0.00696 and 739.1 × 10⁻²5.9 × 10⁻⁴x = -24 × 10²4.3 × 10⁶5

BINGO

5.9 × 10⁻⁴x = 467Irrational58000000√20.006949 and 109.1 × 10⁻²x = -24.3 × 10⁶∛51345004 × 10¹¹

BINGO

Rational6 and 739 and 10x = 40.00694.3 × 10⁶1367x = -24√25.4 × 10¹¹74 × 10²9.1 × 10⁻²

All done? Color in the animals! · Free from eurekami.com/math

eurekami

Caller's list: 8th grade number sense

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

  1. ☐ Find √(9/1). (3)
  2. ☐ Write 0.00059 in scientific notation. (5.9 × 10⁻⁴)
  3. ☐ Work out (4 × 10⁷) ÷ (1 × 10⁵). (4 × 10²)
  4. ☐ √45 lies between which two whole numbers? (6 and 7)
  5. ☐ Solve x³ = 64. (x = 4)
  6. ☐ Work out (2 × 10²) × (2 × 10⁹). (4 × 10¹¹)
  7. ☐ Solve 2x² = 50 for the positive value of x. (5)
  8. ☐ Solve x³ = −8. (x = -2)
  9. ☐ Work out (9 × 10⁵) × (6 × 10⁵). (5.4 × 10¹¹)
  10. ☐ √92 lies between which two whole numbers? (9 and 10)
  11. ☐ Write 6.9 × 10⁻³ as an ordinary number. (0.0069)
  12. ☐ To the nearest whole number, what is √54? (7)
  13. ☐ Write 4 300 000 in scientific notation (like 4.5 × 10^6). (4.3 × 10⁶)
  14. ☐ Is √12 rational or irrational? (Irrational)
  15. ☐ Which number is irrational? (∛5)
  16. ☐ Write 6.7 × 10¹ as an ordinary number. (67)
  17. ☐ To the nearest whole number, what is √170? (13)
  18. ☐ Write 4.5 × 10³ as an ordinary number. (4500)
  19. ☐ Is −5 rational or irrational? (Rational)
  20. ☐ Which number is irrational? (√2)
  21. ☐ Write 5.8 × 10⁷ as an ordinary number. (58000000)
  22. ☐ Write 0.091 in scientific notation. (9.1 × 10⁻²)
  23. ☐ Find ∛(8/27). (2/3)
  24. ☐ To the nearest whole number, what is √15? (4)

Free from eurekami.com/math