West Normal University printing plate fourth grade mathematics second volume unit 1 test questions.
Fill in the blanks. (16)
1、( )? 125=8 ( )? 150=900 48? ( )=240
2. A factor = ()? (), dividend = ()? ( )
Frequency divider = ()? (), division is multiplication ().
3. In a multiplication formula, the product is 280, one factor is reduced by 5 times, the other number is increased by 10 times, and the product is ().
4. According to 34? 12=408 Write two divisions () and ().
When the number A is divided by the number B, the quotient is 54 and the remainder is 700. If the number b is 900, then the number a is ().
6、2? 5? 6? 2? 5? 5? There are () zeros at the end of the product of 2.
7、2846? 6=44 1 means: () can be divisible by (), or: () can be divisible by ().
8、480? (6? )=20 26? ( ? 8)=208
Second, according to the algorithm, fill in the appropriate numbers in the following (). (14)
15? 16= 16? 25? 7? 4= 7
(60? 25)? =60? ( ? 8)
( 125? )? = 125? (9? 14)
(43+25)? 2= ? + ?
8? 47+8? 53= ? ( + )
17? ( 18+ )= 17? + 17? 15
3. Which of the following formulas is correct? , wrong number? . (8 points)
( 1)26? ( 15+24)=26? 15+24 ( )
(2)25? (40+4)=25? 40+25? 4 ( )
(3)75? 27+25? 27=(75+25)? 27 ( )
(4)25? 32=25? 4? 8 ( )
(5)(40+2)? 25=40+2? 25 ( )
(6) 102? 28= 100? 28+2? 28 ( )
(7)62? 99=62? 100- 1 ( )
(8)35? 14=35? 2? 7 ( )
Fourth, how to calculate simply. (18)
16400? 400 15? 4? 25? 6 95? 102
282? 5+ 18? 5 2870? 35 420? 28
Fifth, choose. (6 points)
1. Fill the formula serial number that meets the requirements in brackets.
①27? 9=9? 27②30+A+40 = 30+40+A③(40+ 10)+50 = 40+( 10+50)
④25? 1 1= 1 1? 25 ⑤ 104? 18= 100? 18+4? 18 ⑥94? 99+94=94? 100
⑦ 13? 5? 8= 13? (5? 8)⑧242+M=M+242
A, additive commutative law's formula is () b, and the multiplicative commutative law is ().
C. The formula for applying the multiplicative associative law is () d, and the formula for applying the additive associative law is ().
E, the application of multiplication and distribution law formula is ()
The difference between 2.400 and 24 is divided by the sum of 13 and 12, and the final result is ().
Sum difference product quotient
3、457? The simple algorithm of 99 is ().
457? 99- 1 457? 100+457 457? 100-457
4. if a? B=0, then ().
A, A must be 0 B, B must be 0 C, A and B are both 0 D, and at least one of ab is 0.
5 、( a+b)？ c=a？ c+b？ C. This is called ().
Multiplication commutative law multiplication associative law multiplication distributive law
Sixth, find friends. (Connect expressions with equal numbers) (4 points)
102? 98+ 102 102? 98+98 102? 98+2? 98 98? 100-2? 98
( 102-2)? 98 100? 98+3? 98 104? 98 99? 102
Seven, in the () behind the divisible formula, draw? (4 points)
9? 5( ) 24? 2( ) 7? 2( ) 18? 3( ) 85? 13( )
36? 9( ) 120? 4( ) 36? 6( ) 180? 1( ) 30? 8( )
0? 8( ) 90? 5( ) 43? 6( ) 2 1? 4( ) 76? 6( )
Eight, column calculation. (5 points)
1, a number multiplied by 2, divided by 90, plus 19, and finally subtracted from 10, the result is 10. What is this number?
2. Multiply a number by 4 and 9 respectively, and the sum of the products is 2782. What's this number?
Nine, solve the problem. (25 points)
1, a * * * has two bookshelves, each with four floors, and * * * has 248 books. How many books are there on average on each shelf?
2. A school has five teachers leading 88 students to visit the Science and Technology Museum, including 1200 yuan. Is it enough? (Information: Youth 24 yuan, Children 12 yuan. )
At the same time, they walked in opposite directions from two places 6400 meters apart. One person rides a motorcycle 600 meters per minute, and the other rides a bicycle 200 meters per minute. How many minutes did they meet?
There are 65,438+000 tons of coal to be transported in the dock yard. It is known that large trucks can hold 8 tons at a time and small trucks can hold 4 tons at a time. Q: How to transport these coals is the most economical?
The bids for 5.4 kilograms of apples and 7 kilograms of bananas are equal. 1kg apples are more expensive than 1kg bananas, 3 yuan. What is the unit price of apples and bananas?
Look at the "West Normal University Edition fourth grade mathematics volume 1 unit test questions" people also read:
1. Unit 4, Mathematics, Grade Four, Primary School.
2. The fifth grade elementary school first volume mathematics unit 4 examination questions
3. The fourth grade math unit test paper.
4. The fifth grade first volume mathematics unit 4 examination paper
5. Unit 4 of the first volume of the fourth grade mathematics manuscript