fichas calculo 6º
DESCRIPTION
SECUENCIA FICHASTRANSCRIPT
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2
6 – 2 + 1 = 5
6 - 2 = 4
4 + 1 = 5
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3
6 – (2 + 1) = 5
(2+1)= 3
6-3 = 3
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4
3X5= 15
2+15 = 17
2 + 3 x 5= 25
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5
(3+1)= 42x4 = 8
9-2 x (3+1)= 1
9-8 = 8
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6
1475 + 1001 = 2476
1475 + (1000+1) = 2476
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856 + 999 = 1855
856 +(+1000+1) = 1855
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1600 - 1001 = 599
1600 - (1000-1) = 599
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1600 - 999 = 601
1600 - (1000+1) = 601
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60 20 = 3
400 200 = 216000 8000 = 2
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15
2/3 de 30 = 20
60 3 = 202 x 30 = 60
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47 + 28 = 75Aproximo a 50
(sobran 3 y añado decena)
Aproximo a 30 ( sobran 2)
47 + 28 = 75
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17
61 + 37 = 98
60 + 30 = 901 + 7 = 8
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18
74 - 28 = 46
74 - 30 = 44
44 + 2 = 46
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19
74 - 23 = 51
74 - 20 = 54
54 - 3 = 51
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20
47 x 2 = 94
40 x 2 = 80
7 x 2 = 1480 + 14 = 94
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46 x 5 =23046 x 10 =460460 2 = 230
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22
18 x 11 = 19818 x 10 = 180
180 + 18 = 198
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12 x 9 = 10812 x 10 = 120120 - 12 = 108
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24
35 x 101 = 353535 x 100 = 3500
3500 + 35 = 3535
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25
27 x 99 = 267327 x 100 = 27002700 - 27 = 2673
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26
3,8 + 2,1 = 5,9
4 + 2 = 6 (aproximado)
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27
5,2 - 2,7 = 2,5
5 + 2 = 3(aproximado)
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28
3,89 + 12= 15,89
3 + 12= 15
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29
8,59 – 4 = 4,59
8 - 4= 4
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30
3,8 x 7 = 26,6
4 x 7 = 28(aproximado)
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31
0,3 x 4 = 1,2
3 x 4 = 12
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32
10% de 82
82 / 10 = 8,2
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3% de 9 = 0,27
3 x 9 = 2727 100 = 0,27