matematika nám jde
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11 12 13 14 15 16 17 18. L I O A E K V C. 8 + 8 = 9 + 2 = 4 + 8 = 7 + 9 = 7 + 7 =. 7 + 4 = 8 + 6 = 9 + 8 = 9 + 3 = 9 + 9 = 8 + 7 =. 8 + 9 = 6 + 9 = 8 + 3 = 6 + 6 = 9 + 9 = 6 + 9 =. Matematika nám jde. 8 + 8 = 6 + 7 = - PowerPoint PPT PresentationTRANSCRIPT
Matematika nám jde11 12 13 14 15 16 17 18
L I O A E K V C7 + 4 =
8 + 6 =
9 + 8 =
9 + 3 =
9 + 9 =
8 + 7 =
9 + 8 =
3 + 8 =
9 + 5 =
5 + 11 =
8 + 9 =
6 + 9 =
8 + 3 =
6 + 6 =
9 + 9 =
6 + 9 =
8 + 8 =
9 + 2 =
4 + 8 =
7 + 9 =
7 + 7 =
7 + 9 =
4 + 7 =
8 + 7 =
9 + 9 =
8 + 8 =
6 + 7 =
9 + 2 =
3 + 9 =
7 + 9 =
Kontrola- soutěž7 + 4 = 11 L
8 + 6 = 14 A
9 + 8 = 17 V
9 + 3 = 12 I
9 + 9 = 18 C
8 + 7 = 15 E
9 + 8 = 17 V
3 + 8 = 11 L
9 + 5 = 14 A
5 + 11 = 16 K
8 + 9 = 17 V
6 + 9 = 15 E
8 + 3 = 11 L
6 + 6 = 12 I
9 + 9 = 18 C
6 + 9 = 15 E
7 + 9 = 16 K
4 + 7 = 11 L
8 + 7 = 15 E
9 + 9 = 18 C
8 + 8 = 16 K
9 + 2 = 11 L
4 + 8 = 12 I
7 + 9 = 16 K
7 + 7 = 14 A
8 + 8 = 16 K
6 + 7 = 13 O
9 + 2 = 11 L
3 + 9 = 12 I
7 + 9 = 16 K
Slovní úlohaNa záhonu roste 20 žlutých růží a 9 červených růží.
Kolik růží roste na záhoně?
zápis:
žlutých………………...
červených…………….
celkem………………...
příklad
……………………………
Odpověď
…………………………………………………………………..
Slovní úloha- kontrola:
zápis:
žlutých……..20….
červených…9…..
celkem……..?......
příklad
20 + 9 = 29
odpověď
Na záhoně roste 29 růží.
Slovní úloha
Michal má 28 autíček. Jirka jich má o 6 méně.
Kolik autíček má Jirka?
zápis:
Michal ……………………
Jirka o ……………………
Jirka………………………
příklad
………………………………
odpověď
……………………………………………………………………
Slovní úloha- kontrola:
zápis
Michal ..28……….
Jirka o….6 méně než Michal
Jirka……?..............
příklad
28 – 6 = 22
odpověď
Jirka má 22 autíček.
Počítání se závorkami20 – (17 – 6) =
(20 - 7) + 4 =
12 – (20 – 17) =
(25 + 5) – 7 =
28 – (15 – 14) =
8 + (30 +50) =
20 + (100 – 70) =
70 – (20 + 40) =
(55 + 5) – 10 =
(100 – 50) + 15 =
30+ (70 – 5) =
20 + (100 – 50) =
(55 + 10) + 5 =
(80 – 40) – 40 =
(25 + 5) + 25 =
(100 – 20) – 15 =
11 + (19 – 6) =
(13 – 11) + 30 =
25 + (90 – 80) =
65 + (70 – 60) =
Kontrola:20 – (17 – 6) = 20 – 11 = 9
(20 – 7) + 4 = 13 + 4 = 17
12 – (20 – 17) = 12 – 3 = 9
(25 + 5) – 7 = 30 – 7 = 23
28 – (15 – 14) = 28 – 1 = 27
8 + (30 + 50) = 8 + 80 = 88
20 + (100 – 70) = 20 + 30 = 50
70 – (20 + 40) = 70 – 60 = 10
(55 + 5) – 10 = 60 – 10 = 50
(100 – 50) + 15 = 50 + 15 = 65
30 + (70 – 5) = 30+ 65 = 95
20 + (100 – 50) = 20 + 50 = 70
(55 + 10) + 5 = 65 + 5 = 70
(80 – 40) – 40 = 40 – 40 = 0
(25 + 5 ) + 25 = 30 + 25 = 55
(100 – 20) – 15 = 80 – 15 = 65
11 + (19 – 6) = 11 + 13 = 24
(13 – 11) + 30 = 2 + 30 = 32
25 + (90 – 80) = 25 + 10 = 35
65 + (70 – 60) = 65 + 10 = 75
Porovnávání čísel85…..81
72…..75
100…91
28…..82
10…..69
45…..54
88…..87
91…..90
74…..75
82…..84
58…..85
57…..75
69…..68
28…..28
37…..36
20…..30
15…..14
96…..97
72…..71
41…..42
99…..89
77…..74
64…..65
85…..84
36…..37
47…..74
63…..36
52…..53
100…99
72….27
Porovnávání čísel- kontrola:85 > 81
72 < 75
100 > 91
28 < 82
10 < 69
45 < 54
88 > 87
91 > 90
74 < 75
82 < 84
58 < 85
57 < 75
69 > 68
28 = 28
37 > 36
20 < 30
15 > 14
96 < 97
72 > 71
41 < 42
99 > 89
77 > 74
64 < 65
85 > 84
36 < 37
47 < 74
63 > 36
52 < 53
100 > 99
72 > 27
Procvičuj:64 + ___ = 70
33 + ___ = 40
76 + ___ = 80
11 + ___ = 20
25 + ___ = 30
55 + ___ = 60
77 + ___ = 80
84 + ___ = 90
36 + ___ = 40
89 + ___ = 90
52 + ___ = 60
24 + ___ = 30
51 + ___ = 60
12 + ___ = 20
46 + ___ = 50
85 + ___ = 90
74 + ___ = 80
14 + ___ = 20
38 + ___ = 40
63 + ___ = 70
Kontrola:64 + 6 = 70
33 + 7 = 40
76 + 4 = 80
11 + 9 = 20
25 + 5 = 30
55 + 5 = 60
77 + 3 = 80
84 + 6 = 90
36 + 4 = 40
89 + 1 = 90
52 + 8 = 60
24 + 6 = 30
51 + 9 = 60
12 + 8 = 20
46 + 4 = 50
85 + 5 = 90
74 + 6 = 80
14 + 8 = 20
38 + 2 = 40
63+ 7 = 70
Procvičuj:90 - ___ = 81
70 - ___ = 64
50 - ___ = 41
80 - ___ = 77
60 - ___ = 54
40 - ___ = 31
50 - ___ = 42
70 - ___ = 61
40 - ___ = 39
30 - ___ = 22
50 - ___ = 48
20 - ___ = 11
70 - ___ = 61
30 - ___ = 15
40 - ___ = 35
60 - ___ = 53
80 - ___ = 76
60 - ___ = 58
90 - ___ = 84
100 - ___ = 91
Kontrola:90 – 9 = 81
70 – 6 = 64
50 – 9 = 41
80 – 3 = 77
60 – 6 = 54
40 – 9 = 31
50 – 8 = 42
70 – 9 = 61
40 – 1 = 39
30 – 8 = 22
50 –2 = 48
20 – 9 = 11
70 – 9 = 61
30 – 15 = 15
40 – 5 = 35
60 – 7 = 53
80 – 4 = 76
60 – 2 = 58
90 – 6 = 84
100 – 9 = 91
Řetěz čísel:
• 50 + 20 + 10 – 25 – 5 – 10 =
• 80 + 15 – 25 – 5 + 10 + 15 =• 100 – 50 – 10 + 15 + 25 + 5 =• 90 – 30 – 10 + 20 + 30 – 100 =
Kontrola:50 + 20 + 10 – 25 – 5 – 10 = 40
80 + 15 – 25 – 5 + 10 + 15 = 90
100 – 50 – 10 + 15 + 25 + 20 = 100
90 – 30 – 10 + 20 + 30 – 100 = 0