2009——2010学年第一学期六年级数学期末试卷（2009 - 2010 school year, the first semester, grade six math final exam）.doc

2009——2010学年第一学期六年级数学期末试卷（2009 - 2010 school year, the first semester, grade six math final exam） Size: large, medium and small Fill in the blanks. (22 points) 1. the speed of a car corresponds to the speed of a train. The unit 1 is (). There are 25 boys and 30 girls in grade 2. and five. The ratio of male students to the whole class is (), and the ratio of boys to girls is () 3. the diameter of a circle is 10 centimeters, its circumference is (), the area is (). 4.16 is 20 ()%, 20 to more than 16 ()%. (5.) / 5 = = 0.8 = (=16:) (%). 6.80 of 60% is (); 80% is 60. In 5:4 7., if the 10 plus, to make the ratio unchanged, consequent to add (). 800 of twelve point five three writes () into decimals 9. sector statistics can (). 10, from the side of a square paper is 10 decimeters in cut a maximum circumference of the circle, circle is () () is the area of decimeter square decimeter. 11, when X = (), the ratio of X happens to be the smallest prime number. 12, a 4 cm diameter circle into a plurality of parts, and then cut it, according to the way together, increase the perimeter spell graphics than the original circle (CM). Two, judgment. (5 points) 1. the number of boys and girls in a class is 7:8, and the boys are in the class. () 2. radius is a circle of 2 centimeters, its circumference is equal to the area. () 3. a than B M, or B than less meters. () 4., a batch of trial production products, qualified 120, unqualified 30, the pass rate is 80%. () 5. the circumference of all circles is equal to its diameter. () Three. Select the correct answer number and fill it in parentheses. (5 points) The number of 1. is 18, the number of B is 18, the number of armour (b), the number of B. A, greater than B, less than C, equal to In 2, the number of a (a = 0) after Tim percent, the number is (). A, expanded 100 times B, reduced by 100 times, C, unchanged 3., Mr. Wang deposited 3000 yuan into the bank for 2 years at regular intervals. The annual interest rate was calculated at 2.25%, a