新人教版二年级数学下册第七单元试卷.doc

新人教版二年级数学下册第七单元试卷
班级: 姓名: 学号: 成绩:
(卷面清洁、字体端正共2分)
算一算(51分)
1、看谁算得又对又快。(15分)
28 + 58 = 80 - 28 = 900 + 500 =
1700-800= 70 - 26 = 35 - 27 =
630-600= 590- 90 = 900-600 =
46 - 27= 160 - 70 = 86 - 34 =
34 + 25 = 320 + 70 = 90 - 75 =
2、你会笔算下面各题吗?(18分)
450 + 210 570 - 380 370 + 340

280 - 160 690 + 230 550 - 360

240 - 160 490 - 230 280 + 540
3、用“——”画出先算部分,再计算:(18分)
(22 -18)×7 35÷(2×3) 8 + 8 × 4
= = =
= = =
6 ×7 - 24 18+12÷4 72 ÷ 9÷ 3
= = =
= = =
64÷(60 - 52) 60-48÷8 50-(28+12)
= = =
= = =
填一填(16分)
1、在下面的圆圈里填上﹥、﹤或﹦。(8分)
48-21 30-2 76 + 23 48 + 52
65 +25 47 + 33 61-19 18 + 44
52-26 74-58 66-34 52 - 18
72-50 67-46 23 + 72 76 + 19
2、在( )里填上合适的数。(8分)
48+( )=60 ( )+27=81
74-( )=65 87-( )=65
500+( )=570 680-( )=80
( )-65=25 ( )-30=28
估一估(9分)