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WorksheetsMental Addition Practice
Total questions: 14
Worksheet time: 20mins
Name
Class
Date
1.
Add mentally.
6 + 7 + 1 + 3 + 4 =
a)
19
b)
23
c)
21
d)
22
2.
Add mentally.
3 + 8 + 2 + 5 + 7 =
a)
25
b)
24
c)
27
d)
23
3.
Add mentally.
6 + 9 + 1 + 4 + 8 =
a)
29
b)
25
c)
26
d)
28
4.
Add mentally.
4 + 1 + 4 + 3 + 6 + 9 =
a)
25
b)
27
c)
26
d)
28
5.
Add mentally.
18 + 7 + 2 + 3 =
a)
29
b)
31
c)
28
d)
30
6.
Add mentally.
13 + 9 + 7 + 4 + 1 =
a)
35
b)
34
c)
37
d)
33
7.
Add mentally.
16 + 17 + 1 + 3 + 4 =
a)
31
b)
45
c)
39
d)
41
8.
Add mentally.
70 + 40 + 80 =
a)
200
b)
180
c)
210
d)
190
9.
Add mentally.
50 + 60 + 90 =
a)
190
b)
210
c)
200
d)
180
10.
Add mentally.
60 + 80 + 30 + 90 =
a)
250
b)
270
c)
260
d)
280
11.
Add mentally.
90 + 70 + 50 + 10 =
a)
210
b)
230
c)
250
d)
220
12.
Add mentally.
60 + 17 + 8 + 3 + 40 =
a)
132
b)
124
c)
128
d)
130
13.
Add mentally.
30 + 7 + 18 + 2 + 70 =
a)
127
b)
137
c)
107
d)
117
14.
Add mentally.
6 + 19 + 80 + 5 + 4 + 20 + 1=
a)
125
b)
130
c)
140
d)
135
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