1. Fill in the blanks with 1. Divide 12 into 3 parts, each part has () branches.

2. Divide 12 circles (one for every four) into ().

3. 15 has () 5.

4, 20÷4=5 is read as 20( )4, which is equal to ().

5, 30÷5=( )30 is called () 5 is called ().

6, 30÷6= () means (), and each () is divided into ().

7. There are () ten out of a hundred and () hundred out of a thousand.

8. From the unit, the number () from the left is thousands, and the number () is ten thousand.

Second, judgment.

1, read the numbers within 10,000, starting from the high place and reading them in numerical order. ( )

2. Write the numbers within10,000, starting from the high place, and arrange them in numerical order. ( )

3. The number that is more than 1 is 10 1. ( )

The weight of 4.3 kilograms of sugar is equivalent to 3000 grams of sugar. ( )

5, the load of a truck is 50 kg ()

Third, choose

The smallest four digits of 1, 1, 2,3,0 are ()

1203

2. Seven digits 1, six digits 10, and the number of 408,000 is ().

8476

3. The number consisting of eight thousands and eight tens is ()

8008

4. How many tens are there in a thousand?

100

Fourth, longitudinal calculation.

650+340= 730+480= 390+250= 840-560= 750-540= 440- 150=

Verb (abbreviation of verb) is filled with ">" in brackets.

1300-600( )600 900+ 100( ) 10 10- 10 540-500( )58 8×9( ) 190-20 5 10- 10( )45+60 3×3( )45÷9 56÷8( )707-70 1 740+60( )800

Third, write the number directly.

75+ 10= 59- 19= 75-6+ 13= 46+ 12= 75-2= 89- 19= 75- 15= 75-42+ 13= 59- 10= 92-49=

Four, column vertical calculation

320+ 180= 450-260= 570-380= 1265+9845= 9562-2698= 5623- 1987=

5. Do the questions as required

1, Lian Lian

7 85 73

40+28+ 17 54-36- 1 1 34- 17+56

2. Dr. Shu

78-26+43=9 340 + 180-260=200

7 8 3 4 0

- 2 6 + 1 8 0

+ 4 3 - 2 6 0

_________ _________

9 9 2 0 0

Six, application questions

1. This fruit shop shipped 1000 kilograms of oranges. I sold 300 kilograms on the first day and 500 kilograms on the second day. How many kilograms are left?

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The students took part in the spring outing. Grade one 180 people, grade two has 20 more people than grade one, how many people went to grade two? How many people are in two grades?

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The school will hold a lecture. The multi-function hall has 500 seats, including 298 students in Grade One and 203 students in Grade Two. Let's estimate whether the two grades can sit down while listening to the lecture.

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4. Children's Cinema * * *, with 400 seats, Miao Xin primary school students in grade one 197 and students in grade two1person. Let's estimate, can both grades sit down at the puppet show?

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