1. Fractions with numerator greater than denominator or numerator equal to denominator are called false fractions. ()
2. The scale is fixed, and the distance on the map is in direct proportion to the actual distance. ()
4. From City A to City B, Party A needs 10 hour, Party B needs 8 hours, and the time ratio between Party A and Party B is 4 ∶ 5. ()
Second, multiple-choice questions (2 points for each small question *** 4 points)
a . 9 cm2 b . 8 cm2 c . 10 cm2 d . 5 cm2
1. The graph with the most symmetry axes is []
A. circle B. rectangle C. square D. equilateral triangle
3. Fill in the blanks (1-6 is 1, 7- 10 is 2, *** 14).
1.6256800 Write ().
2. The greatest common divisor of12 and 8 is ().
3. There are 40 students in Class Two, Grade Six, and 2 students are absent from class. The absenteeism rate is ().
The total price is fixed, and the unit price is directly proportional to the quantity.
5. The smallest two-digit number that can be divisible by 2, 3 and 5 at the same time is ().
6. The volume of a cylinder and a cone is equal, their height ratio is 30, and their bottom area ratio is ().
Fourth, simple calculation (3 points for each small question *** 6 points)
1.5.72- 1.84- 1. 16
Verb (abbreviation of verb) calculation problem (1-3 3 points, 4-6 5 points, * * * 24 points).
1.8400- 108×42
2.6.5+3.5÷0.5×5.2
VI. Narrative topic of the text (4 points for each small question *** 8 points)
1. 25% of a number equals 3.75. What's this number? (Equation solving)
Seven, application problems (5 points for each small question *** 40 points)
1`. Team A and Team B dug a canal at the same time. Team A digs 20m a day, while Team B digs 40m a day. 15 just finished digging. How long is this canal?
2. A tractor plows 198 hectares in 3 hours. At this rate, it can cultivate 330 hectares of land. How many hours does it take to plow it?
(Use proportional solution)
3. Fruit shop delivered 14 baskets of pears, 35kg each, 16 baskets of apples, 30kg each. How many kilograms more pears are shipped than apples?
4. A road maintenance team will build a road, with 12.5km for the first four days and 13.4km for the last five days. How many kilometers does this road repair team average every day?
Mathematics final review exam 1
fill (up) a vacancy
1.5 ÷ can represent the operation of finding the other factor when the product of two factors is () and one factor is (). It can also mean that () of the known number is (), and find this number.
2. The product of × () = ⊙ () = () ⊙ 2.5 = ()+times () is the smallest composite number.
The ratio of a to b is 0.5. If these two numbers are expanded by 10 times at the same time, their ratio is now ().
4. The ratio of boys to girls in a class is 4∶3, so the ratio of boys to the whole class is ().
5. The radius ratio of two circles is 5∶2, so their area ratio is ().
The ratio of 6. 0. 2 meters to 4 centimeters is (), and the simplest ratio is ().
7. It takes Party A 20 days and Party B 30 days to complete a project and do it alone. The time ratio of Party A and Party B is (), and the work efficiency ratio of Party A and Party B is ().
8. The number of boys in a class is the number of girls, () is regarded as the unit "1".
9. A barrel of 5 kilograms of oil is used up, and there are () kilograms left.
10.40 minute = () hour square meter = () square decimeter.
1 1. Divide the 2m-long steel pipe into 9 sections on average, each section is equivalent to () of this steel pipe, and each section is () meters long.
12. Xiaoming read a 400-page story book. On the first day, he finished reading the whole book, and the next day, he finished reading the whole book, accounting for () of the whole book.
13. If the number of boys in a class is equal to the number of girls, then girls account for () of the total number of students in the class.
14. The number of people in Workshop A is more than that in Workshop B, and the ratio of the number of people in Workshop A and Workshop B is ().
15. The rice transplanter transplants hectares every hour, and it takes () hours for this rice transplanter to transplant rice 1 hectare.
16.÷a = ×a=()。
Second, judge right or wrong.
1.A divided by b equals the reciprocal of a multiplied by b. ( )
2. If the reality is 25% less than the plan, the plan is 25% more than the reality. ( )
3. The meaning of fractional division is the same as integer division. ( )
4.× ÷ × = 1。 ( )
5. Put 7 grams of sugar into 100 grams of water, and the ratio of sugar to syrup is 7: 107. ( )
6.3 kg ratio 1 kg weight. ( )
7. When an integer is multiplied by a fraction, the product must be greater than this integer. ( )
8. The products of12× and × 12 are equal and have the same meaning. ( )
9. To ask for the reciprocal of a number, just switch the numerator and denominator of this number. ( )
10. The first and last items of the ratio are multiplied by the same number, and the ratio remains unchanged. ( )
Math final review exercise 2
First, fill in the blanks
1. () meters will be equal to 6 meters.
There are 120 pear trees in the orchard, and there are more peach trees than pear trees.
3. There are fewer boys than girls in Class A, 4 more girls than boys and () girls.
A book is planned to be finished in 20 days. After reading 17 days, there are () books left.
5. A book, read the whole book on the first day, read the whole book the next day, and left the whole book () unread.
6. A piece of wood, the first time with full length, the second time with the rest, the second time with full length ().
7. The ratio of male to female in Class A is 5: 3. If there are 15 boys, there are () girls.
Second, the application problem
1. A bag of rice, I ate 12 kg for the first time and 15 kg for the second time, twice. How much does this bag of rice weigh?
There are 120 peach trees in the orchard, more than pear trees. How many pear trees are there?
Huafeng Machinery Factory went to * * to produce 420 machines, and the output in the first half of the year was equivalent to that in the second half. How many machines were produced in the first half and the second half?
4. Build a 2400-meter-long road. Team A built a full-length highway and Team B built a full-length highway. How many meters does Team C need to build to complete this road?
The circumference of rectangle is 80 cm, and the ratio of length to width is 5∶3. What is the area of this rectangle?
6. Xiao Lin read a book. On the first day, he read the whole book, and on the second day, he read the whole book.
(a) two days 190 pages, for the whole book.
(b) There are 280 pages left. I want the whole book.
(c) I read less pages 10 on the first day than on the second day, and asked for the whole book.
7. A car traveled from A to B in the morning and 150km in the afternoon. At this time, it has exceeded the midpoint of 30km. What is the distance between a and b?