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