**1. Express as rupees using decimals.**

- 5 paise
- 75 paise
- 20 paise
- 50 rupees 90 paise
- 725 paise

**Answer:**

5 | ||

(a). 5 paise = Re | = Re 0.05 | |

100 |

75 | ||

(b). 75 paise = Re | = Re 0.75 | |

100 |

20 | ||

(c). 20 paise = Re | = Re 0.20 | |

100 |

50 | ||

(d). 50 paise = Re | = Re 0.50 | |

100 |

725 | ||

(e). 725 paise = Re | = Re 7.25 | |

100 |

**2. Express as metres using decimals.**

- 15 cm
- 6 cm
- 2 m 45 cm
- 9 m 7 cm
- 419 cm

**Answer:**

15 | ||

(a). 15 cm = | m = 0.15 m | |

100 |

6 | ||

(b). 6 cm = | m = 0.06 m | |

100 |

245 | ||

(c). 2m 45 cm = | m = 2.45 m | |

100 |

97 | ||

(d). 9m 7cm = | m = 0.97 m | |

100 |

419 | ||

(e). 419 cm = | m = 4.19 m | |

100 |

**3. Express as cm using decimals.**

- 5 mm
- 60 mm
- 164 mm
- 9 cm 8 mm
- 93 mm

**Answer:**

15 | ||

(a). 5 mm = | cm = 0.5 cm | |

100 |

60 | ||

(b). 60 mm = | cm = 6.0 cm | |

100 |

164 | ||

(c). 164 mm = | cm = 16.4 cm | |

100 |

98 | ||

(d). 9 cm 8 mm = | cm = 9.8 cm | |

100 |

93 | ||

(e). 93 mm = | cm = 9.3 cm | |

100 |

**4. Express as km using decimals.**

- 8 m
- 88 m
- 8888 m
- 70 km 5 m

**Answer:**

8 | ||

(a). 8 m = | km = 0.008 km | |

1000 |

88 | ||

(b). 88 m = | km = 0.088 km | |

1000 |

8888 | ||

(c). 8888 m = | km = 8.888 km | |

1000 |

70005 | ||

(d). 70 km 5 m = 70 ×1000 + 5 = 70005 m = | km = 70.005 km | |

1000 |

**5. Express as kg using decimals.**

- 2 g
- 100 g
- 3750 g
- 5 kg 8 g
- 26 kg 50 g

**Answer:**

2 | ||

(a). 2 g = | kg = 0.002 kg | |

1000 |

100 | ||

(b). 100 g = | kg = 0.1 kg | |

1000 |

3750 | ||

(c). 3750 g = | kg = 3.750 kg | |

1000 |

5008 | ||

(d). 5 kg 8 g = 5 × 1000 + 8 g = 1008 g = | kg = 5.008 kg | |

1000 |

2 | ||

(e). 26 kg 50 g = 26 × 1000 + 50 g = 26050 g = | kg = 26.05 kg | |

1000 |

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