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WorksheetsCálculo mental 004
Total questions: 117
Worksheet time: 20mins
18+6=
(a)
5+15=
(a)
55+10=
(a)
42+5=
(a)
20+45=
(a)
70+7=
(a)
21+21=
(a)
22+3=
(a)
25+14=
(a)
56-5=
(a)
57-6=
(a)
68-7=
(a)
79-15=
(a)
89-17=
(a)
75-14=
(a)
78-18=
(a)
88-63=
(a)
99-85=
(a)
12 + (a) = 25
15 - (a) = 1
(a) - 23 = 3
51 + _ = 52
(a)
42 + 43 = (a)
62 - (a) = 1
40+10=
(a)
50+30=
(a)
30+20=
(a)
60+40=
(a)
80+50=
(a)
90+70=
(a)
50+20=
(a)
70+40=
(a)
10+20=
(a)
300+500=
(a)
600+100=
(a)
400+300=
(a)
400+200=
(a)
200+300=
(a)
500+200=
(a)
700+100=
(a)
100+400=
(a)
800+100=
(a)
80 + (a) = 90
30 + (a) = 100
(a) + 60 = 80
(a) + 50 = 70
(a) + 20 = 70
50 + (a) = 90
(a) + 30 = 40
(a) + 10 = 80
30 + (a) = 70
28+10=
(a)
10+72=
(a)
41+10=
(a)
35+10=
(a)
67+30=
(a)
10+65=
(a)
30+29=
(a)
68+70=
(a)
35+50
(a)
(a) + 30 = 57
56 + (a) = 96
(a) + 10 = 83
20 + (a) = 58
30 + (a) = 68
(a) + 40 = 80
50 + (a) = 72
(a) + 16 = 66
19 + (a) = 29
37 = 30 + _
(a)
72 = (a) + 2
44 = (a) + 14
56 = 13 + (a)
91 = (a) + 31
25 = 19 + _
(a)
48 = 35 + (a)
63 = (a) + 21
19 = (a) + 8
20-10=
(a)
10-10=
(a)
50-40=
(a)
50-10=
(a)
70-10=
(a)
90-40=
(a)
90-10=
(a)
30-10=
(a)
30-20=
(a)
400-300=
(a)
800-500=
(a)
300-200=
(a)
600-200=
(a)
300-100=
(a)
500-300=
(a)
700-600=
(a)
400-200=
(a)
800-400=
(a)
90 - (a) = 70
(a) - 30 = 40
80 - (a) = 0
40 - (a) = 10
(a) - 40 = 30
80 - (a) = 10
60 - (a) = 40
(a) - 20 = 10
10 - (a) = 0
9 + 6 - 3 + 8 =
(a)
90 + 60 - 30 + 80 =
(a)
8 + 7 + 5 - 9 =
(a)
80 + 70 + 50 - 90 =
(a)
5 + 4 + 8 - 6 =
(a)
50 + 40 + 80 - 60
(a)
5 - 4 + 6 - 3 =
(a)
50 - 40 + 60 - 30 =
(a)
6 - 5 + 3 + 9 =
(a)
60 - 50 + 30 + 90 =
(a)
9 - 5 + 4 + 9 =
(a)
90 - 50 + 40 + 90 =
(a)
