Actividad de cálculo mental

12+ 5 + 6 + 4 + 8 +9 =

22+ 3 + 10 + 5 + 2 +4 =

15+ 15 + 3 + 2 + 6 =

20 + 11 + 15 + 12 +14 =

30+ 4 + 16 + 8 + 2 =

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42+ 3 + 10 + 15 + 10 =

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200 + 30 + 10 + 50 + 20 =

75+ 25 + 30 + 20 + 60 =

80 + 10 + 50 + 20 +40 =

300 + 40 + 160 + 80 =

3+ 14 + 6 +12 + 5 +20 =

50 + 20 + 25 + 10 + 4 +11 =

30 + 40 + 23 + 12 +6 +2 =

60 +30 + 10 + 25 +15 +5 =

80 +50 +30 + 100 + 10 +6 =

25 + 6 + 9 + 11 +27 =

12 + 6 + 8 + 9 +4 +20 =

50+ 100 + 250 +30 +90 =

70 + 30 + 20 + 40 +60 =

80 +20 +10 +60 + 30 +20 =

7 +3 +4 + 6 + 10 +20 =

11 +9 + 6 + 4 + 5 +20 =

40 +30 + 15 + 20 +30 +80 =

150 +200 + 300 + 400 +80 =

70 +50 + 40 + 20 +10 =

230+ 50 + 40+ 30 -8 =

120 + 40 +70 +70 -2 =

150 + 30 +60 + 20 - 4 =

200 + 20 +50 + 30 - 9 =

140 + 50 + 30 + 10- 7 =

80 +60 + 90+30 -9 =

70 + 20+ 50 + 20 -11=

30 + 30 + 60+ 40 -7 =

90 + 10+ 70 + 50- 8 =

50 + 60 + 80 + 10 -15 =

200 +60 + 10 + 80 -6 =

300 + 80 + 100+ 20 -3 =

500 +90 + 40+ 10 -9 =

400 +30 + 30 +60 -7 =

120 + 70 + 20 +100 -4 =

30 + 70 + 10 + 50 + 20 +90 =

70 + 30 + 30 + 40 + 80 +20 =

60 + 40 + 20 + 20+ 10 +40 =

100 +50 +70 + 30 + 20 +20 =

50 + 50 + 40 +70 + 30 +10 =

10 + 50 + 20 - 30 + 20 +10 =

40 + 70 + 30 - 60+ 10 +5 =

30 + 40 + 20 - 10 +30 =

20 + 30 + 8 - 12 + 6 =

16 + 14 + 5 - 15 + 9 =

20 +80 + 50 +60 + 10 + 30=

70 + 30 +40 +30 + 20 +50 =

50 + 60 +20 + 50 + 10 +90 =

40 + 50 + 90 + 20 + 5+15 =

100 + 30 +70 + 6+ 24 +12 =

8 + 12 + 40 - 20 + 30 +100 =

18 + 32 + 4 - 8 + 40 +200 =

32 + 23 + 5 - 5+ 70 +300 =

24 + 13 + 2 - 6 + 60 +400 =

80 + 12+ 6 - 4+30 +150 =

90 + 50 + 60 + 8+ 10+22 =

50 +30 +20 + 15 + 9 +25 =

80 +40 +80 + 17 + 13+10 =

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140 + 60 +30 + 20 + 30 +10 =

50 +40 - 10 +20 + 8 + 3=

150+ 20 - 4 + 36 + 9 + 6 =

200 +20 -6 + 20 +2 + 3 =

250 +30 - 3 +40 + 7 + 2 =

350 +80 - 2 + 30 + 4 + 9 =

10 x 4 +100 – 30 – 2 + 9 =

60 + 25 - 30 – 10 + 13 + 50 =

10 x 5 + 20 – 10 – 5 + 100 =

30+ 18 + 50 – 28 + 40 - 50 =

50 + 30 + 30 + 10 + 20 + 80=

10 x 2 +100 – 50 – 20 + 90 =

40 + 30 - 20 – 10 – 20 + 70 =

30 x 5 + 60 – 30 – 8 + 20 =

20+ 40 + 50 – 18 + 20 - 50 =

60 + 60 + 40 + 10 + 30 + 80=

50 x 2 +100 – 50 – 10 + 50 =

75 + 25 - 60 – 20 + 25 =

100 x 2 + 100 – 60 – 20 + 10 =

80+ 40 + 20 – 10 + 30 - 20 =

30 + 90 + 20 + 10 + 30 + 80=

8 x 3 + 20 – 12 – 5 + 10 =

20 + 3 - 10 – 20 – 3 + 15 =

9 x 5 + 10 – 30 – 5 + 10 =

10+ 4 + 20 – 10 + 50 - 10 =

10 + 10 + 20 + 40 + 50 + 20=

5 x 3 + 40 – 20 – 5 + 30 =

80 + 13 - 10 – 10 – 3 + 25 =

9 x 3 + 50 – 20 – 5 + 80 =

100+ 40 + 60 – 80 + 50 - 20 =

100 + 200 + 300 + 400 + 50 + 600=

20 x 3 +100 – 50 – 20 + 90 =

70 + 35 - 40 – 10 – 13 + 5 =

10 x 2 + 10 – 30 – 5 + 10 =

80+ 48 + 20 – 18 + 30 - 50 =

70 + 60 + 30 + 20 + 40 + 80=

6 x 3 + 10 – 2 –15 + 40 =

25 + 5 - 15 – 5 – 3 + 17 =

9 x 2 + 40 – 20 – 5 + 100 =

150+ 40 + 200 – 100 + 500 =

200 + 50 + 300 + 400 + 50+ 200=

4 x 3 + 80 – 20 – 15 + 80 =

200 + 30 - 10 – 20 – 30 + 95 =

9 x 2 + 22 – 30 – 5 + 100 =

60+ 40 + 200 – 100 + 50 - 10 =

80 + 30 + 10 + 22 + 58 + 60=

9 x 2 + 20 – 12 – 5 + 10 =

20 + 3 - 10 – 20 – 3 + 15 =

9 x 2 + 10 – 30 – 5 + 10 =

10+ 4 + 20 – 10 + 50 - 10 =

10 + 10 + 20 + 40 + 50 + 20=