Self-assessment of Maths(2B) 二年級第二學(xué)期教學(xué)自測

焦瑞

I. Calculation.

1. Calculate the following.

300+ 200=???????????? 420- 309=???????????? 30-5=

280+180=???????????? 207+ 140=???????????? 42-6=

900- 350=???????????? 450+ 120=???????????? 27-3=

75-36=???????????? 440- 240=???????????? 45-9=

65-46=???????????? 650- 30=???????????? 5x7=

460+ 228=???????????? 6 x 8=???????????? 56-8=

248+ 120=???????????? 32-4=???????????? 72-8=

312+ 78=???????????? 49-7=???????????? 7x9=

2. Make verticals.

63+ 9=???????????? 61-7=???????????? 48-8=

128+ 274=???????????? 921-316=???????????? 49-7=

II.Fill in with “>" “<" or “=".

16÷2〇16÷4?????? 4522 〇4523? 500cm〇5m

1000〇999???? 6m〇6cm????????????? 6m○72cm

III. Tick （√） the angles.

III. Tick （ V ） the angles.

IV Write the right numbers.

1. The length of the pencil iscmmm.

2.The length of each side of the square is cm.

3.610620630660

4.7002700470107014

5.

V.Circle the correct option， A， B， C or D.

1.-18 =27

A.9

B.35

C.45

D.55

2.100 take away____equals 65.

A.45

B.165

C.35

D.25

3.53<563

A.0

B.7

C.8

D.9

4.How many angles？

A.4

B.5

C.6

D.7

5. Divide 13 apples into 2 groups equally. There are__ applesin each group.____apples are left over.

A.6; 1

B.4; 3

C.3; 5

D.3; 4

6.The train set off Shanghai at 7：23.After 4 hours， it gotto Beijing. It got to Beijing at__.

A.11：23

B.10：23

C.12：23

D.9：23

7.The sun rises in the， and sets in the west.

A. east

B. west

C.north

D. south

VI. Draw the shapes.

a square

a rectangle

a right angle

VII.Word Problems.

1.

2. Peter has 29 footballs. He puts 8 footballs into each of the boxes. How many boxes will he need？

3.Jenny had 400 yuan. After buying a bike， she had 27 yuan left. How much did the bike cost？

4.There are 396 students in that middle school.167 of them are boy students. How many of them are girl students？

（參考答案見本期第39頁）