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Le compte est bon
mmerebolini
Created on September 8, 2020
calcul mental
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Transcript
F. Rebolini
Outils géniaux: S'Cape
Le compte est bon
100
50
25
848
Solution
00:00:00
100
50
25
848
50 : 25 = 2
4 + 2 = 6
100 + 6 = 106
106 × 8 = 848
100
10
75
148
Solution
00:00:00
100
10
75
148
75 + 1 = 76
76 : 2 = 38
38 + 10 = 48
100 + 48 = 148
75
10
782
Solution
00:00:00
75
10
782
3 + 75 = 78
78 × 10 = 780
780 + 2 = 782
75
571
Solution
00:00:00
75
571
75 × 8 = 600
9 × 3 = 27
27 + 2 = 29
600 - 29 = 571
50
10
967
Solution
00:00:00
50
10
967
10 × 9 = 90
5 × 50 = 250
250 - 90 = 160
160 × 6 = 960
960 + 7 = 967
100
10
290
Solution
00:00:00
100
10
290
5 - 2 = 3
3 × 100 = 300
300 - 10 = 290
100
50
798
Solution
00:00:00
100
50
798
8 × 100 = 800
5 - 4 = 1
1 + 1 = 2
800 - 2 = 798
75
122
Solution
00:00:00
75
122
3 + 2 = 5
5 × 8 = 40
75 + 40 = 115
115 + 4 = 119
119 + 3 = 122
100
918
Solution
00:00:00
100
918
6 - 4 = 2
100 + 2 = 102
4 + 5 = 9
102 × 9 = 918
50
10
372
Solution
00:00:00
50
10
372
8 × 50 = 400
6 + 7 = 13
13 + 5 = 18
18 + 10 = 28
400 - 28 = 372
75
325
Solution
00:00:00
75
325
75 × 5 = 375
6 × 7 = 42
42 + 8 = 50
375 - 50 = 325
50
181
Solution
00:00:00
50
181
3× 50 = 150
7 × 5 = 35
35 - 4 = 31
150 + 31 = 181
25
10
689
Solution
00:00:00
25
10
689
25 × 4 =100
3 + 4 = 7
7 × 100 = 700
6 + 5 = 11
700- 11 = 689
100
50
25
991
Solution
00:00:00
100
50
25
991
3 + 7 = 10
10 × 100 = 1000
1000 - 9 = 991
75
10
25
731
Solution
00:00:00
75
10
25
731
75 × 10 = 750
750 - 25 = 725
725 + 8 = 733
733 - 2 = 731
50
263
Solution
00:00:00
50
263
5 × 50 = 250
6 : 2 = 3
9 + 1 = 10
10 + 3 = 13
250 + 13 = 263
25
75
100
10
262
Solution
00:00:00
25
75
100
10
262
100 + 25 = 125
125 + 1 = 126
126 × 2 = 252
252 + 10 = 262
75
100
10
312
Solution
00:00:00
75
100
10
312
100 + 1 = 101
101 × 3 = 303
303 + 9 = 312
50
10
446
Solution
00:00:00
50
10
446
50 × 9 = 450
3 + 1 = 4
450 - 4 = 446
100
10
635
Solution
00:00:00
100
10
635
6 × 100 = 600
3 × 10 = 30
30 + 5 = 35
600 + 35 = 635
100
75
10
888
Solution
00:00:00
100
75
10
888
3 + 1 = 4
4 + 75 = 79
79 × 10 = 790
790 + 100 = 890
890 - 2 = 888
50
10
443
Solution
00:00:00
50
10
443
50 × 9 = 450
8 - 1 = 7
450 - 7 = 443
75
10
602
Solution
00:00:00
75
10
602
75 × 8 = 600
10 : 5 = 2
600 + 2 = 602
75
524
Solution
00:00:00
75
524
75 × 7 = 525
525 - 1 = 524
25
50
129
Solution
00:00:00
25
50
129
50 × 2 = 100
25 + 4 = 29
100 + 29 = 129
10
10
609
Solution
00:00:00
10
10
609
10 × 10 = 100
2 + 4 = 6
6× 100 = 600
600 + 9 = 609
100
10
700
Solution
00:00:00
100
10
700
5 - 3 = 2
9 - 2 = 7
7 × 100 = 700
50
10
316
Solution
00:00:00
50
10
316
50 × 6 = 300
10 + 3 + 3 = 16
300 + 16 = 316
100
998
Solution
00:00:00
100
998
4 + 6 = 10
10 × 100 = 1000
1000 - 2 =998
25
268
Solution
00:00:00
25
268
4 + 6 = 10
10 × 25 = 250
8 + 8 + 2 = 18
250 + 18 = 268
100
111
Solution
00:00:00
100
111
5 + 4 + 5 = 14
14 - 3 = 11
100 + 11 = 111
50
10
606
Solution
00:00:00
50
10
606
50 × 4 = 200
200 × 3 = 600
600 + 6 = 606
100
737
Solution
00:00:00
100
737
7 × 100 = 700
3 × 9 = 27
2 × 5 = 10
700 + 27 + 10 = 737
25
10
980
Solution
00:00:00
25
10
980
25 × 5 = 125
125 × 8 = 1000
2 × 10 = 20
1000 - 20 = 980
50
578
Solution
00:00:00
50
578
7 + 3 = 10
50 + 7 = 57
57 × 10 = 570
570 + 8 = 578
25
399
Solution
00:00:00
25
399
5 + 3 + 8 = 16
16 × 25 = 400
400 - 1 = 399