内容正文:
两位数加一位数、整十数
(1)东东和亮亮一共浇了多少盆花?
(3)芳芳和东东一共浇了多少盆花?
东东浇30盆
芳芳浇24盆
亮亮浇3盆
(2)芳芳和亮亮一共浇了多少盆花?
24 + 3 =
先算:4+3=7
再算:20+7=27
27
争当口算小能手
42 + 3 =
45
31 + 6 =
5 + 33 =
54 + 2 =
44 + 4 =
6 + 23 =
48
56
38
37
29
45
38
56
48
37
29
32 + 20 =
52
先算:30+20= 50
再算:50+ 2= 52
争当口算大王
22 + 70 =
35 + 20 =
40 + 23 =
54 + 10 =
31 + 30 =
60 + 27 =
55
63
64
92
61
87
55
63
64
87
61
92
画画算算(先在数位表上画圆片,再计算)
十位 个位
●●● ●●●
33 + 4 =
十位 个位
●●● ●●●
33 + 40 =
3 7
7 3
● ● ● ●
● ● ● ●
比一比,算一算
35 + 40 =
35 + 4 =
3 + 16 =
50 + 24 =
30 + 16 =
5 + 24 =
75
39
46
19
29
74
23+ =
33
63
53
26
27
24
+23 =
10
40
30
1
4
3
填一填
争夺小红星★
81+2= 72+4= 63+6=
49+20= 38+10= 27+60=
4+51= 3+24= 5+33=
20+66= 30+55= 40+44=
83
84
85
38
27
87
48
86
55
69
76
69
11
23 +( )= 28 34 +( )= 37
( )+ 45 = 46 ( )+ 16 = 56
35 +( )= 65 ( )+