Class name score

Fill in the blanks. (24 points)

1, the number consisting of three thousands, seven hundreds and nine ones is (). Read as ()

2. The third digit of a number from the right is (), and the () digit is thousands.

3. () One thousand is ten thousand, and one thousand has () hundred.

4, 858, 8 on the left means (), and 8 on the right means ().

5. The two numbers adjacent to 6000 are () and ().

6, a four-digit number, the highest digit is 8, the tenth digit is 5, and the rest digits are 0. This number () is pronounced ().

7. The largest three-digit number is (), and the number greater than it by 1 is ().

8. Write >, () > () in the box.

Second, the judgment, the correct box in brackets, the wrong box. (5 points)

① 1 kg egg ratio 1 kg cotton weight. ( )

② When reading 9002, the two zeros in the middle only read a "zero". ( )

③ Written 400 1. ( )

④ The smallest four digits of 3, 1, 0 and 9 are 1390. ( )

⑤7030=70+30。 ( )

Third, choose the serial number of the correct answer and fill in (). (5 points)

(1) A big pumpkin weighs 4 ()

① kg ② g ③ ton

(2) A pig weighs 200 kilograms, and (3) Such a pig weighs 1 ton.

①2 ② 10 ③5

(3)200 1g○2kg

①> ②< ③=

(4) Add a 0 after 17, which is more than the original ().

① 10 ② 170 ③ 153

(5)879-6 15≈( )

①200 ②300 ③ 1500

Fourth, calculation. (4 1)

1, oral calculation. (12)

460-80= 670-50= 750-200= 400+30=

900+500= 720+90= 53+600= 630+300=

60+900= 8×9-3= 1000-400= 790-260=

2, first estimate, then column vertical calculation. (18)

683+377 80 1-596

900-423 438-209

5 14-209+ 153 460+74-386

3. Column calculation. (6 points)

(1) How much is 290 more than 540?

(2) What is the difference between 502 and 309?

Fifth, solve the problem. (30 points)

1. A bundle of wires is 5 10 meters long and needs 243 meters. How many meters are left? (4 points)

2. The grain store distributed 360 bags of flour, less than the rice distributed 120 bags. How many bags of rice were delivered? How many bags of rice and flour were delivered? (4 points)

3. Mom took 15 yuan to buy food, which cost 4 yuan 50 cents and 8 yuan 80 cents to buy meat. How much is left? (4 points)

4. Shopping at the mall.