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  1. Maths
  2. Year 8
  3. Four Operations
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Column Addition of Decimal Numbers

In this worksheet, students practise adding decimal numbers using columns.

'Column Addition of Decimal Numbers' worksheet

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Four Operations for All Numbers

Difficulty level:  

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Worksheet Overview

QUESTION 1 of 10

This worksheet is about the column addition of decimal numbers.

It is important to line up the decimal points.

 

Example

Do the following addition.

7702 + 77.02 + 770.2 = _____

 

Answer

Line up the decimal points and insert extra zeros to help fill columns.

The answer is 8549.22

 

 

Do the following addition.

596.1 + 5.961 + 59.61 = _____

 

Do the following addition.

3150.5 + 31.505 + 315.05 = _____

Do the following addition.

6284.7 + 62.847 + 628.47 = _____

Do the following addition.

1954.4 + 19.544 + 195.44 = _____

 

 

Do the following addition.

4956 + 49.56 + 495.6 = _____

Do the following addition.

840.3 + 8.403 + 84.03 = _____

Do the following addition.

7469.3 + 74.693 + 746.93 = _____

Do the following addition.

465.2 + 4.652 + 46.52 = _____

Do the following addition.

7561.9 + 75.619 + 756.19 = _____

Do the following addition.

1100 + 110 + 1.1 + 0.11 = _____

  • ANSWERS
  • Question 1

Do the following addition.

596.1 + 5.961 + 59.61 = _____

 

CORRECT ANSWER
661.671
EDDIE SAYS

Line up the numbers using the decimal places.

Remember to add extra zeros on the end so each number has the same amount of decimal places.

596.100
5.961
59.610
  • ANSWERS
  • Question 2

Do the following addition.

3150.5 + 31.505 + 315.05 = _____

CORRECT ANSWER
3497.055
EDDIE SAYS

Line up the numbers using the decimal places.

 

Remember to add extra zeros on the end so each number has the same amount of decimal places.

3150.500
31.505
315.050
  • ANSWERS
  • Question 3

Do the following addition.

6284.7 + 62.847 + 628.47 = _____

CORRECT ANSWER
6976.017
EDDIE SAYS

Line up the numbers using the decimal places.

 

Remember to add extra zeros on the end so each number has the same amount of decimal places.

6284.700
62.847
628.470
  • ANSWERS
  • Question 4

Do the following addition.

1954.4 + 19.544 + 195.44 = _____

 

 

CORRECT ANSWER
2169.384
EDDIE SAYS

Line up the numbers using the decimal places.

 

Remember to add extra zeros on the end so each number has the same amount of decimal places.

1954.400
19.544
195.440
  • ANSWERS
  • Question 5

Do the following addition.

4956 + 49.56 + 495.6 = _____

CORRECT ANSWER
5501.16
EDDIE SAYS

Line up the numbers using the decimal places.

 

Remember to add extra zeros on the end so each number has the same amount of decimal places.

4956.00
49.56
495.60
  • ANSWERS
  • Question 6

Do the following addition.

840.3 + 8.403 + 84.03 = _____

CORRECT ANSWER
932.733
EDDIE SAYS

Line up the numbers using the decimal places.

 

Remember to add extra zeros on the end so each number has the same amount of decimal places.

840.300
8.403
84.030
  • ANSWERS
  • Question 7

Do the following addition.

7469.3 + 74.693 + 746.93 = _____

CORRECT ANSWER
8290.923
EDDIE SAYS

Line up the numbers using the decimal places.

 

Remember to add extra zeros on the end so each number has the same amount of decimal places.

7469.300
74.693
746.930
  • ANSWERS
  • Question 8

Do the following addition.

465.2 + 4.652 + 46.52 = _____

CORRECT ANSWER
516.372
EDDIE SAYS

Line up the numbers using the decimal places.

 

Remember to add extra zeros on the end so each number has the same amount of decimal places.

465.200
4.652
46.520
  • ANSWERS
  • Question 9

Do the following addition.

7561.9 + 75.619 + 756.19 = _____

CORRECT ANSWER
8393.709
EDDIE SAYS

Line up the numbers using the decimal places.

 

Remember to add extra zeros on the end so each number has the same amount of decimal places.

7561.900
75.619
756.190
  • ANSWERS
  • Question 10

Do the following addition.

1100 + 110 + 1.1 + 0.11 = _____

CORRECT ANSWER
1211.21
EDDIE SAYS

Line up the numbers using the decimal places.

 

Remember to add extra zeros on the end so each number has the same amount of decimal places.

1100.00
110.00
1.10
0.11
---- OR ----

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