Do you want to know what the final exam questions are? The following is the final examination paper of fourth grade mathematics compiled by PEP 20 17 for you. Welcome to read and learn!
First,? Careful and meticulous? Fill it out. (2 points for each small question, ***20 points)
1, 100.5438+003 is pronounced as () and 50.50 is written as ().
2. A number consists of five tens and 10%. This number is written as ().
3. What is known in a triangle? 1= 720,? 2= 480,? 3= ( ); The base angle of an isosceles triangle is 45o. This triangle must be a () triangle (classified by angle).
4.9.0968 Be accurate to the tenth place (), and keep two decimal places () and integers ().
5. Reduce 25 to 0.025 and move the decimal point 7.8 to the right by two places ().
6. Write 306900? Wan? Do the unit number () and change 687430000 to use? Billion? The number is ().
7. Fill in? & gt？ 、? & lt？ Or? =? .
4 tons, 50 kilograms, 4.5 tons, 25? 100 - 1 25? 99
Xiaohong, Xiaoqing and Xiaolan bought the same pencil at the same time. Three days later, Xiaohong used 2.03 cm, Xiaoqing used 2.45 cm and Xiaolan used 1.9 cm. Among them, () the remaining pencil is the longest.
9. A two-digit decimal approximation is 3.8, the maximum number is (), and the minimum number is ().
10,2.15 hours = () hours () minutes 3.05kg = () kilograms () grams.
Second,? Sit in the right position? Choose one. (Choose the number of the correct answer and put it in brackets) (5 points)
1, the following statement is true ().
A. The second digit to the right of the decimal point is ten digits. B.
C. The counting units of C.0.26 and 0.260 are different, but the size is the same.
2. If the two sides of a triangle are 30cm and 40cm respectively, the length of the third side should be selected from the following three quantities, and only () can be selected.
A.50 cm B.70 cm C.80 cm
3. The circumference of the circular flower bed is 30 meters, and a pot of flowers is placed every 3 meters on its side, which requires a pot of flowers.
A. 1 1 B. 10 C.9
4. The number closest to 10 is ().
A. 10.0 1
5, with four equilateral triangles of the same size can't spell out a ().
A. triangle B. parallelogram C. trapezoid
Third, judge whether the following questions are true or false. (5 points)
() 1, the longer the two sides of the angle, the larger the angle.
() 2. Move the decimal point 1.3 three places to the right, which is 1300.
() 30,000 kilometers is 7 kilometers.
() At four o'clock and eight o'clock, 15 is 8 15.
( )5、 14.090= 14.09。
Fourth,? A clever plan? Right and fast: (***36 points)
1, the number written directly: (0.5 points for each small question, ***5 points)
2.5+0.9= 4.7-2.8= 120? 6= 5? 100 5.5-5=
0.3? 1000= 0.4+6.7= 8-4.6= 72? 9? 7= 35+24- 12=
2, vertical calculation and checking calculation. (2 points for each small question, ***4 points)
14.53 + 5.67 7.2-6.45
3. Calculate the following questions as simply as possible. (3 points for each small question, ***27 points)
1.29+3.7+0.7 1+6.3 19 ? 96 + 962 ? 74 400 -( 1300 ? 65 + 35)
23.4 - 8.54 - 1.46 6.75 + 0.5 - 4.86 19 ? 36 ? 36 ? nine
425 ? 25 + 575 ? 25 (320 + 280)? 50 ? 4 ( 1 17+43)? (84 ? 7)
Verb (short for verb)? Actual operation? Show your skills. (9 points)
Draw the axisymmetric figure below, and translate it 5 squares to the right as a whole.
6. Go into life and solve problems. (5 points for each small question, ***25 points)
1. Xiaolan's mother took 50 yuan to buy food. Buy meat dishes 28.75 yuan, buy vegetarian dishes 6.35 yuan. How much is left?
2. Dongdong weighs 38kg, my cousin weighs half as much as him, and my father weighs four times as much as my cousin. How much does dad weigh?
Miss Wang bought two reference books. Math teaching guide 12.56 yuan, math manual is cheaper than math teaching guide, 2.5 yuan. How much should Mr. Wang pay?
The grain store delivered 20 bags of rice and 20 bags of flour, 30 kilograms of rice and 25 kilograms of flour each. How many kilograms more rice is brought in than flour?
5. Eggs and duck eggs collected by Chunlei Farm on Monday weigh 480kg, and each 15kg is packed in a box, with 20 boxes of eggs. Is the duck egg preparation 10 box enough?