Subtracting Decimals Worksheets

**Page 1**

1.

Tony borrows $40.40 from his friend. How much is he left with if he spends $16.47?

a. | $23.93 | ||

b. | $21.93 | ||

c. | $22.93 | ||

d. | $25.93 |

= $40.40 - $16.47

[Substitute the values.]

40.40 | [Line up the decimals.] |

- 16.47 | |

23.93 | [Subtract.] |

So, Tony is left with $23.93.

Correct answer : (1)

2.

Find the difference between 17.815 and 4.642.

a. | 13.213 | ||

b. | 13.203 | ||

c. | 13.193 | ||

d. | 13.173 |

[Original expression.]

17.815 | [Align the decimal points.] |

- 4.642 | |

13.173 | [Subtract.] |

The difference is 13.173.

Correct answer : (4)

3.

5.523 gallons of juice out of 7.965 gallons was consumed in a party. How many gallons of juice are left?

a. | 2.742 | ||

b. | 2.542 | ||

c. | 2.642 | ||

d. | 2.442 |

= 7.965 - 5.523

7.965 | [Align the decimal points.] |

- 5.523 | |

2.442 | [Subtract.] |

2.442 gallons of juice is left.

Correct answer : (4)

4.

A container has 65.456 milliliters of whole milk. Some water was added to it to make it 81.453 milliliters. Find the quantity of water added to the milk.

a. | 15.997 milliliters | ||

b. | 16.997 milliliters | ||

c. | 18.997 milliliters | ||

d. | 17.997 milliliters |

The amount of milk increased to 81.453 milliliters after adding water to it.

The amount of water added to milk = 81.453 - 65.456.

81.453 | [Align the decimal points.] |

- 65.456 | |

15.997 | [Subtract.] |

The amount of water added to milk is 15.997 milliliters.

Correct answer : (1)

5.

Solve:

506.502 - 302.142

a. | 203.361 | ||

b. | 205.360 | ||

c. | 204.360 | ||

d. | 205.359 |

506.502

- 302.142

.............

204.360

.............

- 302.142

.............

204.360

.............

[Align the decimal points.]

[Subtract.]

The value of the expression is 204.360.

Correct answer : (3)

6.

Arthur used 686.102 gallons of gas and Jeff used 349.078 gallons of gas in a year. Find the difference between their usages.

a. | 342.524 gallons | ||

b. | 337.024 gallons | ||

c. | 324.524 gallons | ||

d. | 349.524 gallons |

The difference between their usages is 686.102 - 349.078

686.102

- 349.078

................

337.024

................

- 349.078

................

337.024

................

[Align the decimal points.]

[Subtract.]

The difference between their usages of gas is 337.024 gallons.

Correct answer : (2)

7.

Dennis has $86.25 and Edward has $39.15. How much more does Dennis have?

a. | $49.10 | ||

b. | $125.40 | ||

c. | $47.10 | ||

d. | $4.710 |

= 86.25 - 39.15.

[Substitute the amounts.]

86.25

- 39.15

..........

47.10

..........

- 39.15

..........

47.10

..........

[Align the decimal points.]

[Subtract.]

Dennis has $47.10 more than Edward.

Correct answer : (3)

8.

Water level of a lake increased to 13.45 feet from its original level of 5.35 feet. Find the increase in the water level.

a. | 7.10 feet | ||

b. | 18.80 feet | ||

c. | 8.10 feet | ||

d. | 81.00 feet |

The increase in the water level = the water level after heavy rain - original water level

[Substitute the water level values.]

13.45

- 5.35

.........

8.10

.........

- 5.35

.........

8.10

.........

[Align the decimal points.]

[Subtract.]

The increase in the water level is 8.10 feet.

Correct answer : (3)

9.

A mixture of two salts, A and B, weighs 14.28 grams. If salt A weighs 6.36 grams, find the weight of salt B.

a. | 20.64 grams | ||

b. | 6.92 grams | ||

c. | 79.20 grams | ||

d. | 7.92 grams |

The weight of salt B = total weight of mixture - weight of salt A

[Substitute the weights.]

14.28

- 6.36

...........

7.92

...........

- 6.36

...........

7.92

...........

[Align the decimal points.]

[Subtract.]

The weight of salt B is 7.92 grams.

Correct answer : (4)

10.

Solve:

28.069 - 3.081

a. | 23.988 | ||

b. | 26.988 | ||

c. | 24.988 | ||

d. | 25.988 |

[Original expression.]

28.069

- 3.081

.............

24.988

.............

- 3.081

.............

24.988

.............

[Align the decimal points.]

[Subtract.]

The value of the expression is 24.988.

Correct answer : (3)

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