三、观察物体（一）
★信息窗1-1
建议用时:6分钟
实际用时:分钟
7÷3 =
21÷6 =
40÷9 =
5÷5 =
13÷7 =
20÷5 =
150+230 =
30+36 =
7÷7 =
860-230 =
81+29 =
7×4 =
300-25 =
97-36 =
3×5 =
57+40 =
32+55 =
17+65 =
97-25 =
88-49 =
19+19 =
10÷2 =
80+504 =
70-50 =
9÷1 =
900-60 =
63-25 =
6×9 =
890-570 =
100-25 =
88+70 =
850+50 =
270+400 =
90+160 =
320+180 =
620-260 =
400-50 =
18÷4 =
570-180 =
84-48 =
10÷4 =
260-90 =
65-27 =
24÷5 =
510-370 =

7÷3 = 2……1
21÷6 = 3……3
40÷9 = 4……4
5÷5 = 1
13÷7 = 1……6
20÷5 = 4
150+230 = 380
30+36 = 66
7÷7 = 1
860-230 = 630
81+29 = 110
7×4 = 28
300-25 = 275
97-36 = 61
3×5 = 15
57+40 = 97
32+55 = 87
17+65 = 82
97-25 = 72
88-49 = 39
19+19 = 38
10÷2 = 5
80+504 = 584
70-50 = 20
9÷1 = 9
900-60 = 840
63-25 = 38
6×9 = 54
890-570 = 320
100-25 = 75
88+70 = 158
850+50 = 900
270+400 = 670
90+160 = 250
320+180 = 500
620-260 = 360
400-50 = 350
18÷4 = 4……2
570-180 = 390
84-48 = 36
10÷4 = 2……2
260-90 = 170
65-27 = 38
24÷5 = 4……4
510-370 = 140

拓展园地
甜甜和明明各有一些糖，甜甜的糖比明明的多14块，甜甜给明明多少块塘，两人的糖就一样多了？

7块