(Time: 40 minutes)

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Review content: ① Understanding of integers and decimals; ② Four operations of integers and decimals; ③ Simple calculation.

First, fill in the blanks. (30 points)

1. We know that the counting unit of integers is (), and the ratio between every two adjacent units is ().

2. From the unit to hundreds of billions, () is (), () is (), and () is ().

3. 1295330000 is () bit, and its highest bit is () bit.

There is a decimal, which consists of eight natural number units, five tenths and twenty-two thousandths. This number is written as () and read as (), and its counting unit is ().

560.66 million yuan is written as (), rewritten as () in units of "ten thousand", and the mantissa after omitting ten thousand is (), and the accuracy is ().

6. The difference between two adjacent natural numbers is (). A natural number is neither a prime number nor a composite number, and the two adjacent natural numbers are () and ().

7. In the numerical sequence table, the first digit to the right of the decimal point is (), and the counting unit is ();

A number with a counting unit of one thousandth is the () position next to the decimal point ().

8. Moving the decimal point 0.625 to the left by two places is (), which is reduced by () times.

9. The sum of five consecutive natural numbers is 200. These five natural numbers are (), (), (), (), () and ().

10. The largest decimal place is less than the largest two decimal places (); The smallest two-digit pure decimal is greater than the smallest three-digit pure decimal ().

The product of two numbers 1 1. is 70, one factor enlarges 100 times, the other factor reduces 10 times, and the product is ().

12. arrange the following figures in descending order:

0.329 1.024 1.6 0.705 1 0.333…… ∏ 0

________________________________________________________________________

Second, multiple choice questions. (Please put the letters of the correct answer in brackets, 5 points)

1. The difference between the largest decimal unit and the smallest prime number is ().

A. 1. 1 b . 1.9 c . 0.9d . 0. 1

2. The minimum multiple of a natural number is 18, and this number has () divisors.

A.2 B. 4 C. 6 D. 8

3. Move the decimal point two places to the right, and the original number is ().

A. increase 100 times B. decrease 100 times C. increase 100 times D. decrease 100 times.

4.3.999 The reserved two decimal places are ().

A.3.99 B. 4.0 C. 4.00 D. 3.90

5. Numbers greater than 0 and less than 1 ().

A. None B. There are countless C. Yes10 d. None of them are on it.

Third, judge the question. (Tick "√" in brackets for correctness, tick "×" for error, 5 points)

1. All decimals are less than integers. ………………………………………………………… ( )

2. Add three zeros at the end of the decimal, and the original decimal will be expanded by 1000 times. …………………… ( )

3. Cyclic decimal must be infinite decimal. ……………………………………………………… ( )

4. 1.666 is a pure cyclic decimal. …………………………………………………………… ( )

The sum of two unequal numbers must be greater than their difference. ……………………………… ( )

Fourth, write numbers directly. (14)

432- 198= 4.35+ 1.8= 2.4×5= 1.25×0.8= 1÷0.25=

68.5+40= 3.2×20= 8.4÷2 1= 3.75+0= 10-0.6=

0. 1×0. 1÷0. 1×0. 1= 999+99+3= 5.4÷ 1.5÷6= 6.87-4.9-0.87=

5. Calculate the following questions vertically. (3× 2+4 = 10 point)

3.08× 1.7 7÷ 1 1 4.8÷0.75

(Numbers should be retained to two decimal places) (expressed by the number of decimal places in commercial circulation) (check by two methods)

Sixth, use a simple method to calculate. (Write a simple calculation process, 36 points)

6.8- 1.36-0.64 2 1.9+( 15.7+ 18. 1) (2.5×73)0.4

★9×(7000÷63) 5.6× 1.25 ★ 1 1. 1÷0.25

457÷25÷4 2.6+7.7+7.4+3.3 0.2× 1.8×0.5× 10

★2 1÷ 1.25 ★(8700+870+87)÷87 5.3×4.9+5×5.3

General review of mathematics in the sixth grade of primary school (2)

(Time: 40 minutes)

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Class (in English)

Review content: ① Divisibility of numbers ② Elementary arithmetic of integers and decimals.

I. Fill in the blanks (42 points)

1. In 1, 2, 3, 5, 9, 28, 37 and 5 1, the odd number is () and the even number is (); The prime number is () and the composite number is (); () is odd but not prime, () is even but not composite.

2. The smallest three-digit number that can be divisible by 2, 3 and 5 at the same time is (), and the prime factor to decompose this number is ().

Minimum multiple of 3. 9 is (), and the approximate number of 13 is (); The greatest common divisor of 9 and 13 is (), and the least common multiple is ().

4. Among natural numbers (except 0), () has the largest reciprocal; Among prime numbers, the reciprocal of () is the largest.

5.a and B are prime numbers, their least common multiple is 124, and A and B are (AND) or (AND).

6. A number is divided by 5 by 3, by 7 by 5, and by 9 by 7. The minimum quantity is ().

7. Add the minuend, subtraction and difference to get 96, and the minuend is ().

☆8. Fill in the appropriate number in the box of 2□4□ so that the four digits can be divisible by 3 and 5 at the same time. There are () different filling methods.

☆9. A six-digit, the number on 100000 digit is prime, the number on 1000 digit is composite, the number on 10000 digit is twice that on 1 0000 digit, and the number on10 digit is/kloc. It is known that the sum of all digits in this six-digit number is a multiple of 9, so this number is ().

10. There are four unequal natural numbers, the difference between the largest number and the smallest number is equal to 4, the product of the smallest number and the largest number is odd, the sum of these four numbers is the smallest two-digit prime number, and the product of these four numbers is ().

Second, choose (put the letters of the correct answer in brackets, 10)

1. The divisible number in the following formula is ().

a、20÷2.5=8 B、8÷5= 1.6 C、42÷6=7 D、 1.2÷0.4=3

2.4 is 12 and 36 ().

A, prime factor b, multiple c, greatest common divisor d, common divisor

☆3.m is odd, N is even, and the value of () below must be odd.

a、4M+3N B、3M+2N C、2M+7N D、2(M+N)

4. Of the four numbers1,3, 5 and 25, the prime number is ().

A, 2 pairs of B, 3 pairs of C, 4 pairs of D, 5 pairs.

5. There are two natural numbers, their greatest common divisor is 4 and their least common multiple is 120. Such a natural array has ().

A, 1 group b, group 2 c, group 3 d and group 4.

Third, write numbers directly (10)

2004- 125×8= 20+ 10÷4= 3.2+2.5×0.4= 0.4×0.4× 10=

1.8×7÷9= 1.5- 1.5÷3= 3÷4-0.5= 6.9+3. 1-6.9+3. 1=

1. 1× 1. 1× 1. 1- 1. 1× 1. 1= 99.99×77.78+33.33×66.66=

Four, column comprehensive formula calculation (18 points)

What is the product of 1? 200 times 125 and half the sum of 65?

2.3.24 divided by 0.6 is less than the product of 5.7 times 1. 1?

3. Divide 5 1 43 into 17, how much is each?

What's the sum of 4? 3.9 and 2.4 times their difference?

5. 16.8 is twice as much as one tenth?

6. 10, plus the smallest composite number, MINUS the smallest three digits. What is the result?

Verb (abbreviation of verb) calculation (12 points)

2.3×25+3÷0.375 356-2 16÷9×8 2.5×5.2÷ 1.04+77.5 40÷( 1.2+9.3×4)

☆ 6. Fill in the same number in □ to make the equation hold: (8 points)

( 15×□-60)÷3=□ □÷25+4×□=87

General review of mathematics in the sixth grade of primary school (3)

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Class (in English)

Review content: ① Composite application problems ② Typical application problems (average application problem, trip application problem, one application problem).

1. Complete the following quantitative relationship.

1.()× quantity = total price

()-() = savings

3. Distance present () = time

4.()× time = total workload

5.()×( )×( )= interest

Secondly, answer the following application questions.

1. The school bought 25 volleyballs and more than 2 footballs. The fruit shop delivered 45 boxes of oranges and 10 boxes of apples.

/kloc-Volleyball over 0/5, how much * * * 960kg for two kinds of balls. It is known that the weight of oranges per box is 16kg.

Answer? How many kilograms does each box of apples weigh?

3. The road team wants to build a 120 km expressway, which has been 4. Xiaohong used to use 28 tons of water every month to save water.

After 40 days of repair, 1.2km is repaired every day. After the rest of the faucet, the water used for one year can be used now.

After 30 days, how many kilometers are repaired every day on average? More than two months. How many tons of water are used every month now?

5. Young Pioneers planted trees, and 48 trees were planted in the fifth grade. 6. A factory wants to manufacture a batch of machine tools, and plans to produce them every day.

The number of trees planted in grade one is twice that of grade five, with 64 trees planted in 10 and 15 days, which is actually three days ahead of schedule.

How many trees can be planted in grade six than in grade five? Completed the task, and actually produced more machines than planned every day.

How many beds?

7. Zhenhua Machinery Factory made a machine, which was originally used. 8. There are two piles of cement ***900 bags on a construction site. such as

Steel 1.44 tons, after technical transformation, 40 bags are now taken out from pile A and put into pile B. At this time, pile A

Save 0.24 tons. It turns out that the cement used to make 50 machines is four times that of pile B.

How many sets of steel can you make now? How many bags of cement?

9. A binding team has to bind 2640 books, and three books are 10. Two ships, A and B, set out from two ports. Each ship

Ordered 240 copies of vogue. According to this calculation, the remaining hour is 30 kilometers, and the second ship is 35,000 per hour.

How many hours does it take to bind this book? rice. Ship B leaves before ship A leaves 1 hour.

Four hours later, the two ships met. Shuang Gang phase

How many kilometers away?

1 1. Master Wang produced 96 12 four days before a week. Two cars, A and B, came from A and B at the same time.

Parts, after 3 days, the average daily production of 26. Come out, a car travels 60 kilometers per hour, and b car travels every

How many parts are produced on average every day this week? The hourly journey is 59 kilometers. When two cars meet, one car

Take more than 8 kilometers to find the distance between a and b.

13. A class has a math exam, with an average score of 14. A student is climbing a mountain, climbing up and down.

78 points, of which the average score of boys is 77 points, 4 hours, if he spends 2.4 hours climbing the mountain, the original

The average score of girls is 8 1, and the boys in this class return by road, and the downhill speed is15km/h.

How many times was it a girl? How many kilometers per hour does he climb?

15. Passenger cars and trucks face each other from Station A and bilibili at the same time. 16. A sugar is 8.40 yuan per kilogram, and B sugar is 8.40 yuan per kilogram.

Starting, the speed of the bus is 54 kilometers per hour, and the truck is 7. 12 yuan, and 5 kilograms of sugar B and several kilograms are used.

Driving at 48 kilometers per hour, after the two cars met, they mixed sugar A, with an average of 7.60 per kilogram of sugar.

Keep going at the original speed. How many kilograms did this bus take to bilibili?

Return immediately after the truck arrives at station A.

On the return trip, the two cars meet again, and the bus is better than the truck.

Multi-line 2 16 km, find the distance between Station A and bilibili.

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