08-09 second semester sixth grade mathematics examination questions answer.

Author: Education Bureau Office Article Source: Education Bureau Office hits: 169 Update time: 2009/6/2 1 9:49:0 1

fill (up) a vacancy

1, (135000000) (1400 million) 2, (6) (120) 3, (37.5) (8) (1) (/kloc-

Second, judging and calculating

1、(×)2、(√)3、(×)4、(√)5、(×)

Third, choose

1 、( B)2 、( C)3 、( A)4 、( B)5 、( C)

Fourth, calculation

1, the number is written directly.

①70 ②0.3 ③ 1/2 ④ 0. 1 ⑤ 2 ⑥ 2 ⑦ 3.46 ⑧ 59

2. The ball is unknown

①X=6 ②X=4 ③X=240 ④ X=36

3. Non-type calculation

①480 ②7 ③ 10 ④ 1

Verb (abbreviation of verb) formula calculation

1、45×2/5÷3/4=24 2、( 135— 15)÷4=30

Six,

1, (East), (1000) 2, (North) (West) (60)( 1200) 3. It is correct to draw 45 degrees 2 cm northwest or 45 degrees 2 cm southwest on the test paper.

Seven, solve practical problems

1, 800× 2× 2.52 %× (1-5%)+800 = 438.304 (yuan) Answer: .........

2. 78÷65%—78=48 yuan A: 48 yuan, ..........................

3, 18.84÷3. 14÷2=3 (m) 3÷2= 1.5 (m)

3× 3× 3.14×1.5 ÷ 3 ÷ (1.5×1.5× 3.14) = 2 (m) answer: ...................................................

4, 40÷( 1+3/5)=25 (person) 40-25 = 15 (person) A: boys 15, girls 25.

5, 1.5m = 15 (decimeter) 8÷2 =4 (decimeter)

8× 3.14×15+4× 4× 3.14× 2 = 477.28 (square decimeter) Answer: ... 477.28 square decimeter.

6, 3 ÷ (3+7) = 3/10440 ÷ (3/10-1/6) = 3300 (m) a: ..............................................................................