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WorksheetsMental Math
Total questions: 70
Worksheet time: 24mins
10 - 1 =
11
9
8
12
9 x 3 =
27
18
36
25
43 + 35
87
77
78
88
437 + 55
982
482
483
492
Add using mental math:
45
+24
____
21
88
96
69
25
+ 14
____
Add using mental math:
84
+12
____
72
96
76
92
44
+22
____
Add using mental math:
35
+14
____
22
66
88
49
50
+25
____
25
+25
____
Add using mental math:
90
+10
____
80
100
50
45
45
- 24
____
Subtract using mental math:
62
- 20
____
82
22
42
54
73
- 12
____
Subtract using mental math:
96
- 45
____
91
24
58
51
88
- 34
____
Subtract using mental math:
66
- 20
____
44
22
46
86
56
- 24
____
Subtract using mental math:
50
- 48
____
98
9
2
100
50
- 10
____
Subtract using mental math:
75
- 25
____
25
50
75
100
How may shoes are there in 10 pair ? ( 1 pair = 2 shoes )
30
10
20
19
73 + 6 = _________________
89
79
86
78
There are __________ wheels on 5 bicycles.
16
18
10
14
7 + ______________ = 1007
1000
100
900
1005
What is 100 more than 50?
105
150
51
501
_________ + 8 = 16
4
6
10
8
400 + 400 =
8
80
800
80000
6 x 6 =
1
36
6
37
9 x 5 =
68
45
89
90
8 x 6 =
48
14
40
44
There were 50 birds on a tree. Out of them 25 flew away. How many birds are left on the tree?
75
30
50
25
Mrs. Dar had 21 students in her class. 2 students moved away. Then 6 new students joined the class. How many students are in Mrs. Dar's class now?
17
27
25
18
2360 - ___________________ = 0
36
2360
0
1
40 + 12 = ______
42
24
62
52
What is the halfway point between 70 and 80.
74
75
73
77
48 - 25
23
13
25
20
35 + 45
70
80
90
95
53 + 58
111
101
1011
98
62 - 55
12
13
7
5
18 + 18
36
40
46
26
48 - 23
23
13
25
20
35 + 35
80
70
60
85
80 - 47
27
33
37
23
31
56 + 58
114
104
1014
102
62 - 45
22
23
17
15
70 + 70
140
170
114
130
What is 400 + 700
100
1000
1100
340
What is 9x9?
72
81
34
45
11 + 11
23
22
25
27
16 − 13 =
3
0
2
26
18 + 22
30
40
50
38
29 + 60
69
79
99
89
