1 and 7 16 ×59 mean ().

2、65 = 18:( )=( ):20=( )÷40、

3. Divide 5 kg of sugar into 6 bags, each bag weighs () () kg, and each bag contains 5 kg of sugar () ().

4, 24 km is () km, () kg is 2 1 kg.

5. Turn 15: into the simplest integer. The ratio is () and the ratio is ().

6. The ratio of quantity A to quantity B is 5: 6. It is known that the number A is 30 and the number B is ().

7. A section of wire is meters long, and it is cut into 5 sections on average, each section is () meters long and each section is () long.

8.20kg is greater than 16kg () () and 16kg is less than 20kg () ().

9,2 hours 12 minutes = (); 4 tons = () tons () kg

The reciprocal of 10 and 0.6 is (), and the reciprocal of () is itself.

Second, multiple-choice questions: (2 points for each question, *** 10)

1, the correct formula is ()

①3.2× ②3.2×( 1+ ) ③3.2÷( 1+ ) ④3.2÷

2. 38 of a number is 35, and the formula for finding this number is. ( )

①38 ×35 ②35 ÷38 ③ 38 ÷35 ④35 ×38

3. Add 5 to the previous item, and the latter item should be (), keeping the proportion unchanged.

A, plus 5 B, 2 C, 12 D and 24.

4. There are more boys than girls, so the ratio of girls to boys is ().

a、9:8 B、8:9 C、7:8 D、8:7

5. There are 40 boys in Class 6 (2), the ratio of male to female is 10: 9, and there are () students in the whole class. ①70 ②74 ③76 ④78

Third, patient analysis, true or false: 4%

1, and have the same result and the same meaning. ………………( )

2, because, so sum is reciprocal. ………………………( )

3,2 meters is as long as 1 meter. …………………………………( )

4. The same long distance took Xiao Wang 8 minutes and Xiao Li 9 minutes, so the speed ratio of Xiao Wang and Xiao Li was 9: 8. …………………………………………( )

Fourth, the calculation questions:

1, write directly. (8 points)

1÷ 13 = 1- 12 - 13 = 58 ×23 = 56 ×( 18+625 )

16 × 12= 29 ÷35 = (3 18 +79 )×0= 12 +7 12 =

2, the following questions, how to calculate how simple. (20 points)

8 13 ÷7+ 17 ×6 13 12 ×25 + 9 10 ÷920 ( 12 +23 +34 )×24

29 + 12 ÷45 +38 ÷〔 ×( - )〕

3, solve the equation, I have no problem! (6 points)

× × = 4 - =

4. Column calculation. (9 points)

(1) Subtract 23 of 14 from the reciprocal of 38. What is the difference?

(2) The difference between 23 and 14 is equal to 56 of a number. What's this number?

(3) The number A is 5 15, and the number B is 5 15. What's the difference between these two figures?

Fifth, solve the problem. (***33 points)

1. There are 60 boxes of apples in the shop, which is the number of pears. The number of boxes of oranges is equivalent to that of pears. How many boxes of oranges are there?

2. Wu Shan Farm planted 65,438+050 hectares of wheat last year, 65,438+05 hectares more than last year. How many hectares of wheat have been planted this year?

There are 200 cars, buses and buses in a busy street. The ratio of these three cars is 2: 3: 5. How many cars are there in each car?

Ballpoint pen is more expensive than exercise book. As we all know, the unit price of exercise books is the unit price of ballpoint pens. How much is the exercise book?

5. It takes 15 hours for Xiao Ming and 12 hours for Xiao Gang to type a manuscript. If two people type together, you can finish 56% of this manuscript in a few hours.