1. The number consisting of five thousand, eight hundred and two ones is ().

2.8050 is pronounced as: (); Two thousand and two writing: ()

3. The digits of a number are hundreds, not () digits.

The three digits of 4 are (), and the smallest four digits are (). Their difference is ().

5. Xiaoli weighs 25 (); A pear weighs about 200 ().

6. Write two division formulas () and () with quotient of 5.

7. When the national flag is raised, the movement of the national flag is a phenomenon.

There are () hundreds of 8. 800, and 700 is composed of () ten.

9. In the division formula with remainder, if the divisor is 7, then the remainder is ().

10. Use 2, 0, 9, 3 to form a four-digit number, where () is the smallest.

1 1. A four-digit number, its digit is 6, its digit is 1, and all other digits are 0, and this number is ().

On 12. 5050, the first 5 from the left means (), and the second 5 means ().

13. The third number after writing 3998 is ().

14. A bead in the abacus indicates ().

15. In formula 30÷5=6, the dividend is () and the quotient is ().

16. There are 20 flowers, and every 5 flowers are put in a vase, which requires () vases.

17. inch () × 7

18. Fill in the numbers according to the law: 980,985,990, (), (), 10005.

Second, the judgment question. (Mark "√" for the right and "×" for the wrong)

1. The rotation of the electric fan is a rotating phenomenon. ( )

2. When reading 8090, read two zeros. ()

3. When calculating 4+3×2, add first and then multiply. ( )

4. Four digits must be greater than three digits. ( )

5.24÷8=3 Read 24 divided by 8 equals 3. ()

Third, multiple choice questions. Fill in the brackets with the serial number of the correct answer. )

1. The number that doesn't need to be read is ().

6090 C.9000

2.20- 15=5 and 5×6=30 are combined into a comprehensive formula, and the correct one is ().

a . 20- 15×6 b . 5×6-20c .(20- 15)×6

Xiaohong, Xiao Fang and Xiaolan had a skipping competition. Jumped 100, 1 12, 135 respectively. Xiaohong said, "I didn't jump." Xiao Fang said, "I just jumped to 100". Xiaolan jumped ().

100

4.3298, 4326, 2983 from small to large order is ().

A.2983 & lt3298 & lt4326 B.2983 & lt4326 & lt3298 C. 3298 & lt2983 & lt4326

Fourth, the calculation problem.

1. Write the number directly.

68-32≈ 24÷6= 5×5= 8+53= 372+29≈ 90+70= 1600-700= 9000-8000=

2. Calculate the following questions vertically.

42÷7= Answer 39÷8= Answer 83-57 = Answer

3. The calculation of the following questions is out of step.

85-27+ 18 = answer (44-26) ÷ 3 = answer 36+5×4= answer.

4. Fill in ">" or "in ()

6× 6 () 309 () 81÷ 96kg () 500g 2kg () 3000g 5×3( )5×4-5.

5. Column calculation.

1.63 scored 9 points on average. How much is each?

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2. The divisor is 8, the dividend is 65, and what is the quotient and remainder?

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Sixth, solve the problem.

1. There are 45 students going for an outing. Rent a car for every seven students. How many cars should they rent at least?

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The school auditorium has 1000 seats. The first festival will hold a concert in the school auditorium. There are 400 boys and 500 girls in the school. Can all the students sit down?

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3. Mom bought 5 kg of tomatoes, 1 kg of tomato 7 yuan, and paid it to the shop assistant 50 yuan. How much should mom get back?

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