1. Fill in your wisdom in the blank (1-2 questions, 0.5 points for each blank, others 1 points, * * 35 points).

1, 2 1 cm = () m 14 Angle = () yuan.

4025ml = () liters for 24 minutes = () hours.

13 hour = () 27 grams per day = () kg.

2. Fill in ">" in ○. , "<, or" = ".

0.6○ 58 0.03○3 1 1000 89 ○ 54 127 ○ 1.5

3, 78 indicates that the unit "1" is divided into () parts on average, indicating such () parts; It can also be seen as dividing 7 into () parts on average, indicating such () parts.

The decimal unit of 4235 is (), and it has () such decimal units. If the fractional unit such as () is removed, the fractional value is the smallest prime number.

5. 1 contains () 13, () 16, 13 contains () 16.

6, the number of is (),

The number of is ().

7. The highest true score is (), the lowest false score is (), and the lowest band score is ().

8. 20 km of road has been built, and 13 km has been repaired, and the total length (-) has been repaired.

9. Divide 6 liters of oil into 5 parts, each part is (-) liters; Divide 1 liter of oil into five parts, and six parts are (-) liters.

10. Give 8 children a bag of 5 kilograms of apples, each child will get (-) points for this bag of apples, 3 children will get (-) points for this bag of apples, and each child will get (-) kilograms.

1 1, 59 km is 1 km (-), and 5 km is (-).

12, saw the 6-meter-long wood into 5 sections on average, each section is (-) meters long and each section is 6 meters long.

Each segment is 1 m (-).

13. It takes 9 minutes to saw a wooden stick into 5 sections, and it takes () minutes to saw it once on average.

14, natural numbers a and b, when a () is a true fraction and when a () is a false fraction; When a (), it can be converted into an integer.

Second, I am a small judge (65438+ 0 points for each question, ***5 points).

1, the larger the denominator of a fraction, the smaller its decimal unit. ……………………… ( )

2. A score less than 1 is a true score, and a score greater than 1 is a false score. ……………… ( )

3. Divide two apples to four people equally, and each person can only get one. …………………… ( )

4. Only one score is greater than or less than. ………………………………… ( )

5. Coal piles, which have been burned, take the burned coal as the unit "1". …………… ( )

Third, big waves wash sand. (65438+ 0 points for each question, ***5 points)

1, put 10g salt into 90g water, and the salt accounts for () of the brine.

A, B, C, D,

2. To make true and false points, x should be ().

a、3 B、2 C、5 D、 1

3, the same molecular score ()

A, the decimal units are the same; B, the scores are the same; C contains the same number of decimal units.

4. Divide a 2-meter-long iron wire into 5 segments on average, with 25 meters accounting for () of the total length.

a、 15 B、25 C、35 D、45

5, a cow farm, the number of cows is only the number of bulls, and the number of bulls is all cows ().

A, B, C, D, 8 15

Four, sjms (***20 points)

1, write directly (***4 points)

14 +34 = 57 -57 = 1-35 = 2+78 =

0.5+25 = 0.875+ 18 = 0.2+0.82= 135 +25 =

2. Using fractions to express the quotient of the following questions is to turn false fractions into integers or use fractions. (8 points)

18÷7= 40÷3= 1 1÷49= 36÷6=

3. Decimalize the following scores. (Keep three decimal places except inexhaustible) ((**8 points)

Five, hands-on operation (***5 points)

Please divide the square below into four parts in three different ways and draw 14 with the shaded part.

Six, into life (***30 points)

1. Guangming Bookstore sold 350 books in the morning, 35 more than in the afternoon. How many books did you sell in the afternoon?

(column equation solution)

The road construction team will build a road with a length of 4 kilometers, which will take 9 days to complete. How many kilometers are repaired on average every day? How many parts of this road are maintained on average every day?

3. An oil mill used 100 kg castor oil to extract 38 kg castor oil. How many kilograms of castor oil does it take to squeeze 1 kg castor oil on average?

4. Young Pioneers collect tree species. Seven people in the first team received 8 kilograms, and six people in the second team received 7 kilograms. Which team earns more on average?

5. A string of colorful flags ***53 faces, arranged in the order of 1 red 2 yellow 1 green. The yellow flag is a fraction of the red flag.

As the saying goes, "shop around", Xiaoming bought a batch of pencils in the wholesale market and ran three booths. He found that the same pencil was bought at booth A, 5 yuan; B spread 5 to 3 yuan; At booth C, 7 yuan buys 8 for 2. Please help Xiao Ming figure out which one is cheaper to buy.