How to add two decimal numbers together when one of the numbers has a different amount of digits behind the decimal point from the other. There are then some examples for you to try by yourself

1. How To Do KS2 Maths SATs
Type Questions
(Paper A – Calculator Not
Allowed)
Addition 1: Adding
Decimals
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2. In a SATs paper you might be asked to add together two decimal numbers,
which don’t have the same number of digits behind the decimal point.
For example: Calculate 4.73 + 3.8

3. In a SATs paper you might be asked to add together two decimal numbers,
which don’t have the same number of digits behind the decimal point.
For example: Calculate 4.73 + 3.8
Firstly, set
the sum
out with
one
number
above the
other:

4. In a SATs paper you might be asked to add together two decimal numbers,
which don’t have the same number of digits behind the decimal point.
For example: Calculate 4.73 + 3.8
Firstly, set
the sum
out with
one
number
above the
other:
U
4
+ 3
t
7
8
h
3

5. In a SATs paper you might be asked to add together two decimal numbers,
which don’t have the same number of digits behind the decimal point.
For example: Calculate 4.73 + 3.8
Then add
a zero in
the tenths
column so
that both
numbers
have the
same
amount of
digits
behind the
decimal
point:
U
4
+ 3
t
7
8
h
3

6. In a SATs paper you might be asked to add together two decimal numbers,
which don’t have the same number of digits behind the decimal point.
For example: Calculate 4.73 + 3.8
Then add
a zero in
the tenths
column so
that both
numbers
have the
same
amount of
digits
behind the
decimal
point:
U
4
+ 3
t
7
8
h
3
0

7. In a SATs paper you might be asked to add together two decimal numbers,
which don’t have the same number of digits behind the decimal point.
For example: Calculate 4.73 + 3.8
Now
complete
the sum
as normal:
U
4
+ 3
t
7
8
h
3
0

8. In a SATs paper you might be asked to add together two decimal numbers,
which don’t have the same number of digits behind the decimal point.
For example: Calculate 4.73 + 3.8
Now
complete
the sum
as normal:
U
4
+ 3
t
7
8
h
3
0
3

9. In a SATs paper you might be asked to add together two decimal numbers,
which don’t have the same number of digits behind the decimal point.
For example: Calculate 4.73 + 3.8
Now
complete
the sum
as normal:
U
4
+ 3
h
3
0
5
1
t
7
8
3

10. In a SATs paper you might be asked to add together two decimal numbers,
which don’t have the same number of digits behind the decimal point.
For example: Calculate 4.73 + 3.6
Now
complete
the sum
as normal:
U
4
+ 3
t
7
8
h
3
0
8
5
3
1

11. Now try some by yourself. Click to see if you are correct:

12. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 =

13. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75

14. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 =

15. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28

16. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
c) 5.56 + 2.8 =
b) 3.88 + 5.4 = 9.28

17. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
c) 5.56 + 2.8 = 8.36
b) 3.88 + 5.4 = 9.28

18. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 =

19. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93

20. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 =

21. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14

22. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14
f) 8.2 + 1.67 =

23. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14
f) 8.2 + 1.67 = 9.87

24. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14
f) 8.2 + 1.67 = 9.87
g) 6.45 + 11.9 =

25. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14
f) 8.2 + 1.67 = 9.87
g) 6.45 + 11.9 = 18.35

26. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14
f) 8.2 + 1.67 = 9.87
g) 6.45 + 11.9 = 18.35
h) 5.63 + 6.9 =

27. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14
f) 8.2 + 1.67 = 9.87
g) 6.45 + 11.9 = 18.35
h) 5.63 + 6.9 = 12.53

28. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14
f) 8.2 + 1.67 = 9.87
g) 6.45 + 11.9 = 18.35
h) 5.63 + 6.9 = 12.53
i) 42.1 + 7.96 =

29. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14
f) 8.2 + 1.67 = 9.87
g) 6.45 + 11.9 = 18.35
h) 5.63 + 6.9 = 12.53
i) 42.1 + 7.96 = 50.06

30. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14
f) 8.2 + 1.67 = 9.87
g) 6.45 + 11.9 = 18.35
h) 5.63 + 6.9 = 12.53
i) 42.1 + 7.96 = 50.06
j) 89.89 + 6.3 =

31. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14
f) 8.2 + 1.67 = 9.87
g) 6.45 + 11.9 = 18.35
h) 5.63 + 6.9 = 12.53
i) 42.1 + 7.96 = 50.06
j) 89.89 + 6.3 = 96.19

32. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14
f) 8.2 + 1.67 = 9.87
g) 6.45 + 11.9 = 18.35
h) 5.63 + 6.9 = 12.53
i) 42.1 + 7.96 = 50.06
j) 89.89 + 6.3 = 96.19
k) 56.6 + 7.44 =

33. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14
f) 8.2 + 1.67 = 9.87
g) 6.45 + 11.9 = 18.35
h) 5.63 + 6.9 = 12.53
i) 42.1 + 7.96 = 50.06
j) 89.89 + 6.3 = 96.19
k) 56.6 + 7.44 = 64.04

34. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14
f) 8.2 + 1.67 = 9.87
g) 6.45 + 11.9 = 18.35
h) 5.63 + 6.9 = 12.53
i) 42.1 + 7.96 = 50.06
j) 89.89 + 6.3 = 96.19
k) 56.6 + 7.44 = 64.04
k) 23.5 + 6.85 =

35. Now try some by yourself. Click to see if you are correct:
a) 4.8 + 2.95 = 7.75
b) 3.88 + 5.4 = 9.28
c) 5.56 + 2.8 = 8.36
d) 3.2 + 4.73 = 7.93
e) 4.44 + 3.7 = 8.14
f) 8.2 + 1.67 = 9.87
g) 6.45 + 11.9 = 18.35
h) 5.63 + 6.9 = 12.53
i) 42.1 + 7.96 = 50.06
j) 89.89 + 6.3 = 96.19
k) 56.6 + 7.44 = 64.04
k) 23.5 + 6.85 = 30.35

36. That’s it for now......
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