fill (up) a vacancy

1, we share the goods equally, which is called ().

2. When using the multiplication formula to find the quotient, the divisor is multiplied by several to get the dividend, and the quotient is ().

3. When calculating 15÷3, the multiplication formula is ().

4. To judge what an angle is, you can measure it with the angle () on the triangle and compare it. An angle as big as a right angle on a triangle is an angle (), an angle smaller than a right angle on a triangle is an angle (), and an angle larger than a right angle on a triangle is an angle ().

5. The practical problem "How many times is one number another" is calculated by the method of ().

6. The order of mixed operation of multiplication and division should be calculated from () to (). If there are brackets, count the ones in () first. Multiply-add mixed operation needs to calculate the () method first, and then the () method.

7, one by one, () one is ten; 1 10 digit number, 10 digit is (); One hundred is one hundred, () one hundred is one thousand; Eleven thousand places, 10 thousand is ().

8. In the numerical sequence table, the first digit on the right is (), and the third digit is (); The four-digit bit is (); The number of digits of a number is ten thousand digits, and this number is () digits.

9. When writing numbers, if there is no one in the middle or at the end, use () as a placeholder and write () on that.

Numbers between 10 and10,000 should be read and written from (). When reading, what is the reading number (); () How many students are there? What are the hundreds of students (); There are dozens of zeros in a tens digit, () in a digit, and a zero in the middle or both zeros are read-only () zeros, no matter how many zeros () are at the end.

1 1. When comparing the sizes of numbers within 10,000, the number of numbers with different digits () is larger. If the digits are the same, compare with (). If the digits are the same, compare them one by one in turn, and the number is ().

12, indicating the weight of the goods, which can be used as units () and (). Lighter objects are in units of (), while heavier objects are in units of (). 1 kg = () g

13. When adding and subtracting hundreds and tens manually, you should align () and start counting from the unit. If the digits add up to ten, enter1in () digits; If the number of digits is not enough, deduct 1 as () from the ten digits; if the number of digits is not enough, deduct 1 as () from the number of digits.

14, addendum+addendum = (), ()-subtraction = difference.

15, () × factor = product, dividend ÷ () = quotient.

The two digits of 16 are (), the minimum two digits are (), the difference between them is (), and the sum of them is (); The four digits of are (), the three digits are (), and the difference between them is ().

17, and the two numbers adjacent to 10 are () and ().

The two numbers adjacent to 100 are () and ().

The two numbers adjacent to 1000 are () and ().

The two numbers adjacent to 10000 are () and ().

Second, please choose. (Fill in the correct serial number in brackets)

1. Of the following four numbers, the number that reads only one zero is ().

a、6320 B、 1000 C、3009 D、5600

2, 1 kg iron compared with 1 kg cotton, () weight.

A, iron b, cotton c, equal weight d, not necessarily.

3, the following movement is translated ()

4. The difference between the three digits and the smallest four digits is ()

a、 10 B、 1 C、99 D、 100

Third, solve the problem.

1, column type only, no answer.

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2, a pen 9 yuan money, money to buy two pens can buy three pencil cases, how much is a pencil case?

3. There are 12 people who participate in English interest groups in Grade Two, and the number of people who participate in story appreciation is as much as that who participate in English interest groups. Now the students in the two interest groups are divided into six groups. How many groups can they be divided into? Fourth, use your head.

1, the four digits consisting of 8, 0, 2 and 4 are (), and the smallest four digits are ().

2. Fill in the number according to the law: 1 4 9 16 () ().

People's Education Publishing House, Grade Two, Mathematics Volume Two, Competition Paper Two

First, write directly. (0.5 points for each question, ***20 points)

( 1)36+42= 760-40= 640+60= 93-26=

(2)600+ 170= 2000+6000= 580-570= 180-90=

(3)54÷9= 5×8= 54+6= 7÷7=

(4)64-8= 7×3= 32÷8= 36÷6=

(5)790+ 180= 15+65= 76+ 14= 500+700=

(6) 570-300= 2500-2000= 170+60= 520-80=

(7)4×8+6= 15-6×2= 18-8×2= 52-22+9=

(8)8×5+ 16= 40+60-8 1= 56+(3 1-20= 5+4×7=

(9)20+24×2 =(60- 18)÷6 = 1k g-700g = 2kg+300g =

( 10) 1k g+2kg = 50k g-20k g = 56÷8÷7 = 52-8-24 =

Second, I will estimate. (65438+ 0 points for each question, ***8 points)

482+ 146≈ 758+ 106≈ 928-392≈ 486- 176≈

2 10+390≈ 487- 135≈ 925- 178≈ 589+394≈

Three, longitudinal calculation (3 points per question, ***33 points)

240+350= 870-350= 480+370= 360+230=

460-340= 5 10-260= 700-320= 280+520=

26 19-634 = 3795 + 537= 88+97+ 105 =

test

calculate

Fourth, use off-type calculation. (3 points for each question, ***24 points)

3×9+23 8 1÷9+42 64÷8×8 7×(45÷5)

= = = =

= = = =

(32-23)+67 19+9×6 7×(45÷5) 48+35-65

= = = =

= = = =

5. Column calculation. (3 points for each question, *** 15 points)

How many sixes are there in 1 and 48?

2. The dividend is 30 and the divisor is 6. What is the quotient?

3. The number A is 723, which is 48 less than the number B. What is the number B?

4. What's the difference between the smallest four digits and three digits?

5. There is 8 1, and every 9 copies, how many copies can you divide?

People's Education Publishing House, Grade Two, Mathematics Volume Two, Competition Paper Three.

First, write the number directly. (65438+ 0 points for each small question, ***20 points)

5×8= 6+73= 4×7 = 36+ 16+48=

8×8= 43-9= 6×9= 12- 13+ 17=

Second, find the method (15 points).

( 1) 15 、 20 、 25 、 30 、 ( )、40 。

(2) 1 、 4 、 7 、 10、 13 、( )。

(3) 1 、 4 、 9 、 16 、 25 、( )。

Fill in the blanks (18)

1, 100 line segment 1 cm long, connected into a long line segment, which is () meters.

2. Write "8+8+8+8+8" as a multiplication formula: () × () or ()× ().

3. There are 2 1 red flowers, which is 14 yellow flowers, and there are () red flowers and yellow flowers.

4. When four sevens add up, the total is ().

Multiply 5, 8 and 9, and the product is ().

6、 1+2+3+4+5+6+7+8+9+ 10+ 1 1= ( )

Fourth, column calculation. (5 points for each small question, *** 10)

1, what is the sum of 9 and 7?

2. One factor is 6 and the other factor is 4. What is the product?

Five, see figure column calculation (16 points).

① ②

A * * * How many people are there? A * * * How many?

Six, the application problem (2 1 minute)

1, Xiaoming has 7 pictures, and Xiaogang has 5 times as many as Xiaoming. How many pictures does Xiaogang have?

2. In physical education class, Class Two, Grade Two, the teacher asked 2 1 students to play basketball, 12 students to do exercises and 14 students to run.

How many people are there in the class? ② How many more students play basketball than run?

3. The students of Class A, Grade Two, are doing exercises in the playground, just standing in four teams, each with the same number of people. Xiaohong stood in the first team, with three people in front and four people behind. How many people are there in this class?