(Time: 60 minutes, total score: 100)

I. Calculation (2 points for each question, *** 12 points)

1. 1.5× 1.3×4 2.2.7+3. 1+2.9+3.2

3.25-4.9-6. 1 4.3.5×4.8+2.2×2.4

5. 13 1+ 132+ 130+ 129 6.( 13+5.2)÷ 1.3

Fill in the blanks (3 points for each blank, ***2 1 point)

The following is a record of Wang Xiaoming's math homework last semester. Sort out these results and fill in the table below.

Excellent, excellent, excellent, good, good, good.

Okay, okay, okay, okay, okay.

Good, good, good, good, good.

Good, excellent, excellent, excellent, excellent.

1. The one that scored the most was ().

2. The number of excellent grades is () () times more than that of good grades.

Third, the application problem (1 problem is 6 points for each small question, 7 points for the second, third, fourth, sixth and seventh questions, 7 points for the fifth question, and 67 points for * * *).

1. There are four boys in the group, and their heights are 1.38 m, 1.45 m, 1.37 m, 1.4 m and three girls, and their heights are1.4/respectively.

(1) What is the average height of boys?

(2) What is the average height of girls?

(3) What is the average height of the whole group?

2. A class of students took part in planting trees. There are 8 trees for 4 students, 7 trees for 14 students, 5 trees for 16 students and 4 trees for 6 students. How many trees have been planted in this class on average?

3. There are 40 students in Class Five (1), with an average height of 1.38m, and 38 students in Class Five (2) with an average height of1.4m. What is the average height of these two classes in Grade Five?

In the final exam last semester, Li Hong got an average of 96 points in Chinese, mathematics and science. How many points did he get in math and Chinese?

A farm has two cornfields, the first one is 8 hectares, and the corn harvest is 3200 kilograms. The second plot is 7 hectares, and * * * receives 2940 Jin of corn. How many kilograms of corn does each plot average? How many kilograms of corn are harvested on average per hectare?

6. Four pumps of one kind pump for 8 hours 192 tons. How many tons can each pump pump per hour on average?

7. The canteen burned coal 1.84 tons in March, 0.36 tons more than in April. How many tons of coal are burned on average every month?

Reference answer

I.1.7.8 2.1.9 3.14.22.08 5.522 6.14

Second, 16 2 1 3 0.

1. Good 2. Minus 5 pounds

Three. 1.(1)1.4m (2)1.42m (3) is about1.41m.

2.5.85 Trees 3. It's about 1.39 meters and 4.96 minutes.

5.3070 kilograms is about 409.3 kilograms and 6.6 tons.

7. 1.66 tons