Category:

Name:

Student number:

First, oral calculation. (10)

150-90÷3=

25×2× 1 1=

75× 10+ 10=

( 100+ 10)×9=

8 1+8 1÷9=

30+ 100÷5=

52- 12+8=

50×3+50=

(80- 14)÷6=

50×2-73=

Second, combine the following two formulas into a comprehensive formula. (8 points)

1.480÷8=60

100-60=40.

2.2 1+24=45

32×45= 1440.

3.493-73=420

420÷6=70

4.45÷5=9

102-9=93

Third, do math. (30 points)

42× 15+ 136

800-98 1÷9

( 125+275)÷8

25×( 187- 143)

392÷(45-38)

(26+34)×78

36×( 128-85)

450÷( 103-94)

530+ 120-250

864÷8+48

Fourth, the mathematics hospital. Correct the calculation error. (9 points)

1.

145-45÷5

= 100÷5

=20

2.

13+27×25

=40×25

= 1000

3.

300÷3×2

=300÷6

=50

5. Column calculation. 8 points)

How much is 1.7 15 more than the product of 24 and 25?

How many times is the difference between 12 and 9 2.807?

Sixth, solve the problem. (35 points)

1. The cinema has 25 rows of seats with 32 seats in each row. At present, 759 people from the school go to the cinema to watch the performance. How many seats are left? (5 points)

The cinema used to show three movies a day, but now it shows 1 more every day. On average, 98 tickets were sold per game. How many tickets can you sell every day now? (Answer in two ways) (10 score)

Three classes in Grade Four are going to plant trees. A class needs to plant 300 trees, and 180 trees have been planted. The rest is done in three times. How many trees will be planted at a time? (5 points)

4. Zhao Qiang's family collected 185 kg of apples this year, and the pears were twice as many as apples, 45 kg less. How many kilograms of pears did his family collect? How many kilograms are apples and pears? (7 points)

5. How to buy a ticket is more cost-effective? (8 points)

Adult: 10 yuan/piece

Children: 7 yuan/Zhang

/kloc-group ticket with 0 or more people: 8 yuan/piece.

We have six adults and four children.