Counting on your fingers
Try these not so tricky addition and subtraction problems. Fingers allowed if necessary!

Addition and Subtraction 2 (Easy)

Addition and Subtraction are the basic building blocks of maths. You may think they are no important – but you’d be wrong! If you don’t know how to add or take away, then you won’t be able to look after your money very well at all!

This is the second of our Easy Addition and Subtraction quizzes and playing it until you get all the answers right will help you gain confidence with numbers. Once you’ve mastered these, you should be more than ready for our Addition and Subtraction Medium quizzes.

Do you feel up to the challenge? You won’t need pens, pencils or a calculator – just your cool, calm composure and your mental arithmetic skills! Think hard before you click your answer – these questions may be easy, but they can fool you with their simplicity. Watch your step or you might fail to get all 10 questions right first time.

1.
35 – 56 + 78 – 7 = ?
50
51
52
49
TIP: With numbers less than 100, add the tens first and then add the units. 35 – 56 + 78 – 7 = (30 + 70 - 50) + (5 + 8 - 7 - 6) = (100 - 50) + (13 - 7 - 6) = 50 + 0 = 50
2.
8 + 8 + 8 – 8 = ?
28
16
24
32
That was an example of a question you must read thoroughly - you didn't think all the 8s were to be added did you?
3.
39 – 53 + 17 = ?
-3
3
6
9
TIP: With numbers less than 100, add the tens first and then add the units. 39 – 53 + 17 = (30 + 10 - 50) + (9 + 7 - 3) = (-10) + 13 = 3
4.
12 + 19 = ?
31
32
30
29
Remember: to quickly add 19, just add 20 then take away 1
5.
14 + 0 + 28 + 4 – 0 + 5 = ?
56
41
46
51
TIP: With numbers less than 100, add the tens first and then add the units. 14 + 0 + 28 + 4 – 0 + 5 = (10 + 20) + (4 + 8 + 4 + 5) = 30 + 21 = 51. Ignore zeros!
6.
46 – 18 = ?
26
28
29
27
To quickly subtract 18, just take away 20 then add 2
7.
14 – 34 + 63 = ?
43
42
41
44
TIP: With numbers less than 100, add the tens first and then add the units. 14 – 34 + 63 = (10 + 60 - 30) + (4 + 3 - 4) = 40 + 3 = 43
8.
37 + 54 + 77 = ?
158
160
166
168
TIP: With numbers less than 100, add the tens first and then add the units. 37 + 54 + 77 = (30 + 50 + 70) + (7 + 4 + 7) = 150 + 18 = 168
9.
4 – 7 + 19 + 31 = ?
43
45
47
49
Be on the lookout for simple calculations that make your life easier! 19 + 31 is one of these
10.
17 + 18 + 44 = ?
76
77
78
79
TIP: With numbers less than 100, add the tens first and then add the units. 17 + 18 + 44 = (10 + 10 + 40) + (7 + 8 + 4) = 60 + 19 = 79
Author:  Frank Evans

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