- 1. Solve the equation: 1/9 = 1/r
A) r=-1
B) r= 1
C) r= 9
D) r= 0
- 2. Solve the equation: 1/m - 1/4 = 0
A) m = -4
B) m =8
C) m = 1
D) m =4
- 3. Solve the equation: 1/y = 2/7
A) y = 4
B) y = 3
C) y = 4.5
D) y = 3.5
- 4. Solve the equation: 2.5 = 1/s
A) 5/2
B) 2/5
C) 1/5
D) 1/2
- 5. Solve the equation: 11/4 + 1/n = 0
A) n = -11/4
B) n = 4/11
C) n = -4/11
D) n = 11/4
- 6. Solve the equation: 2/t = 6/11
A) t = 9/11
B) t = 11/9
C) t = 11/3
D) t = 3/11
- 7. Solve the equation: 9/10 = 3/z
A) z = 3/5
B) z = 3.5
C) z = 7.5
D) z = 7/5
- 8. Solve the equation: 4/9 - 2/p = 0
A) p= 1/5
B) p= 4/5
C) p= 4.5
D) p= 1.5
A) x =2
B) x =1
C) x =4
D) x =3
- 10. Simplify 10b + b - 3b
A) -8b
B) 8b
C) 8
D) 7b
- 11. Simplify 3c + 5c - 8c
A) 2c
B) 3c
C) 4c
D) 0
- 12. Simplify 7d + 4d - 8d
A) 3d
B) -2d
C) -3d
D) 2d
- 13. Simplify 16e + 12e - 13e
A) 15e
B) 11e
C) 9e
D) 12e
- 14. Simplify 6f - 2f + 3f
A) 8f
B) 7
C) 7f
D) 8
- 15. Simplify 4g - 7g + 10g
A) 6g
B) 8g
C) 9g
D) 7g
- 16. Simplify 20h -15h + 6h
A) 10h
B) 11
C) 10
D) 11h
- 17. Simplify 4b + 2b - 9b + 8b
A) 5b
B) 4b
C) 3b
D) b
- 18. Simplify 20c - 9c - c + 2c
A) 6c
B) 11c
C) 7c
D) 12c
- 19. Simplify 12d - 5d - 3d + 4d
A) 6d
B) 7d
C) 5d
D) 8d
- 20. Simplify the number pattern: (+4) + (-7)
A) 28
B) -3
C) -28
D) 3
- 21. Simplify the number pattern: 5 + (-3)
A) -2
B) -15
C) +2
D) +15
- 22. Simplify the number pattern: (-2) + (-6)
A) -12
B) +8
C) +12
D) -8
- 23. Simplify the number pattern: -8 + (-6)
A) +48
B) +14
C) -48
D) -14
- 24. Simplify the number pattern: 20 + (-20)
A) +40
B) 0
C) -40
D) 10
- 25. Simplify the number pattern: 8 - (-3)
A) 12
B) 11
C) 13
D) 10
- 26. Simplify the number pattern: -(-8) - (-3)
A) -5
B) +5
C) -24
D) +24
- 27. Simplify the number pattern: (+3) - (-8)
A) 11
B) 10
C) 9
D) 8
- 28. Simplify the number pattern: (-3) - (-8)
A) 5
B) -5
C) 24
D) -24
- 29. Simplify the number pattern: (+9) - (-9)
A) -18
B) 28
C) 18
D) +28
- 30. Approximate 18 624 to the nearest ten
A) 18 640
B) 18 620
C) 18 650
D) 18 630
- 31. Approximate 25 246 to the nearest ten
A) 25 240
B) 25 230
C) 25 250
D) 25 210
- 32. Approximate 32 781 to the nearest ten
A) 32 780
B) 32 870
C) 32 740
- 33. Approximate 7 163 to the nearest ten
A) 7 140
B) 7 160
C) 7 010
D) 7 610
- 34. Approximate 2 968 to the nearest ten
A) 2 970
B) 2 790
C) 2 960
D) 2 070
- 35. Approximate 0.164 to the nearest hundredth
A) 0.15
B) 0.18
C) 0.17
D) 0.16
- 36. Approximate 0.167 to the nearest hundredth
A) 0.15
B) 0.16
C) 0.17
D) 0.14
- 37. Approximate 0.706 to the nearest hundredth
A) 0.61
B) 0.71
C) 0.77
D) 0.72
- 38. Approximate 0.702 to the nearest hundredth
A) 0.70
B) 0.60
C) 0.20
D) 0.90
- 39. Approximate 0.295 to the nearest hundredth
A) 0.50
B) 0.30
C) 0.10
D) 0.20
- 40. Round off 1.38 to the nearest whole number
A) 1
B) 8
C) 0
D) 3
- 41. Convert 1101 to a base 10 number
A) 6
B) 13
C) 12
D) 9
- 42. Convert 1110 to a base 10 number
A) 7
B) 10
C) 14
D) 8
- 43. Convert 100000 to a base 10 number
A) 9
B) 16
C) 11
D) 12
- 44. Convert 10010 to a base 10 number
A) 9
B) 5
C) 18
D) 22
- 45. Convert 10101 to a base 10 number
A) 21
B) 27
C) 18
D) 15
- 46. Convert 26 into a binary number
A) 11010
B) 01011
C) 11111
D) 11110
- 47. Convert 32 into a binary number
A) 110011
B) 100110
C) 100000
D) 010101
- 48. Convert 39 into a binary number
A) 101010
B) 100111
C) 001101
D) 111100
- 49. Convert 47 into a binary number
A) 111101
B) 011010
C) 101111
D) 111110
- 50. Convert 52 into a binary number
A) 100110
B) 111100
C) 110100
D) 111111
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