calculo mental 4º
DESCRIPTION
SECUENCIA FICHASTRANSCRIPT
![Page 1: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/1.jpg)
1
![Page 2: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/2.jpg)
2
45 + 30 = 75
4 + 3 = 75
412 + 300 = 712
![Page 3: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/3.jpg)
3
43 - 30 = 13
4 - 3 = 13539 - 300 = 239
![Page 4: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/4.jpg)
4
413 + 30 = 443
1 + 3 = 4
4213 + 30 = 4243
![Page 5: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/5.jpg)
5
463 - 30 = 433
6 - 3 = 3
4253 - 30 = 4223
![Page 6: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/6.jpg)
6
27 x 10 = 270
46 x 100 = 4600
65 x 1000 = 65000
![Page 7: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/7.jpg)
7
2 x 60 = 120
6 x 200 = 1200
5 x 1000 = 5000
![Page 8: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/8.jpg)
8
20 x 60 = 1200
60 x 200 = 12000
50 x 1000 = 50000
![Page 9: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/9.jpg)
9
43 x 2 =86
14 x 20 =280
![Page 10: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/10.jpg)
10
20 10 = 2
2 1 = 1
300 10 = 30
![Page 11: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/11.jpg)
11
200 100 = 2
2 1 = 1
3000 1000 = 3
![Page 12: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/12.jpg)
12
20 2 = 10
2 1 = 1
246 2= 123
![Page 13: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/13.jpg)
13
164 + 11 = 175
164 + (10+1) = 175
3216 + 11 = 3327
![Page 14: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/14.jpg)
14
16 + 9 = 2516 + (+10-1) = 25
316 + 9 = 325
![Page 15: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/15.jpg)
15
16 - 11 = 5
16 - -10-1) = 27
![Page 16: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/16.jpg)
16
16 - 9 = 716 - (-10+1) = 27
316 - 9 = 307
![Page 17: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/17.jpg)
17
23 + 36 =59
(2+3)=5 (3+6)=9
![Page 18: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/18.jpg)
18
37 + 53 =90
(3+5)=8+1 (7+3)=10
![Page 19: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/19.jpg)
19
16 + 21 = 27
16 + (20+1) = 27
![Page 20: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/20.jpg)
20
16 + 31 = 47
16 + (30+1) = 47
![Page 21: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/21.jpg)
21
16 + 41 = 57
16 + (40+1) = 57
![Page 22: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/22.jpg)
22
16 + 19 = 35
16 + (20-1) = 35
![Page 23: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/23.jpg)
23
16 + 29 = 45
16 + (30-1) = 45
![Page 24: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/24.jpg)
24
16 + 39 = 55
16 + (40-1) = 55
![Page 25: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/25.jpg)
25
56 - 21 = 35
56 - (20-1) = 35366 - 21 = 345
![Page 26: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/26.jpg)
26
56 - 31 = 25
56 - (30-1) = 25366 - 31 = 335
![Page 27: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/27.jpg)
27
56 - 19 = 37
56 - (20+1) = 37366 - 19 = 347
![Page 28: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/28.jpg)
28
856 + 101 = 957
856 +100 +1 = 957
![Page 29: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/29.jpg)
29
856 + 201 = 1057
856 +200 +1 = 1057
![Page 30: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/30.jpg)
30
856 + 301 = 1157
856 +300 +1 = 1157
![Page 31: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/31.jpg)
31
246 - 99 = 147246 - (100+1) = 147
![Page 32: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/32.jpg)
32
646 - 199 = 447
646 - (-200+1) = 447
![Page 33: CALCULO MENTAL 4º](https://reader030.vdocuments.net/reader030/viewer/2022013112/568c4a2d1a28ab49169715d2/html5/thumbnails/33.jpg)
33
1446 - 299 = 1147
1446 - (-300+1) = 1147