2. In 83.07, the expansion of 100 times is (), while the reduction of () times is 8.307.
Of the four numbers 3.0.930, 0.39, 0.903 and 0.309, one is () and the smallest is ().
4. Triangle can be divided into () triangle, () triangle and () triangle.
5. An isosceles triangle with the top angle of 120 degrees and the bottom angle of () degrees.
6. Wang Gang is 35 northeast of Zhang Ting; Zhang Ting is in Wang Gang's direction.
7. The rounded two decimal places are 9.5. These two decimal places are (), and the minimum value is ().
Second, I can tell right from wrong! (Mark "√" for the right and "×" for the wrong) (10%)
1. When calculating the addition and subtraction of decimals, both ends of decimals should be aligned. ( )
2, 4.5 and 4.50 are equal in size and have the same counting unit. ( )
3. Because 0 is multiplied by any number, it is 0, so any number divided by 0 is 0. ( )
4. The broken-line statistical chart can better reflect the increase or decrease of data. ( )
5. Any two identical triangles can be combined into a parallelogram. ( )
Third, choose what I like! (Put the serial number of the correct answer in brackets) (14%)
1, in the following figures, the number that reads two zeros is ().
20 1008 b . 805.07 c . 300.06d . 190.07
2. In the figure below, "0" has been deleted, and the size remains the same ().
70.55 D.7.550
3. Draw a line () from the vertex of the triangle to its opposite side. The line segment between the vertex and the vertical foot is called the height of the triangle.
A. straight line B. ray C. line segment D. vertical line
4. The following formula that can be easily calculated by the multiplicative associative law is ().
A.(52×25)×4 b .( 125+90)×8 c . 258 X 45 X 55
5, little monkey to surround Gua Tian, () method is the strongest.
A. BC
6. Decimal () greater than 0.2 and less than 0.4.
a . 1b . 10c . 100d。 Countless.
7, from the length of 3 cm, 6 cm, 7 cm, 9 cm, take three sticks into a triangle, there are at most () different spellings.
A. 1
Fourth, I am careful! (30%)
1, a number written directly. (6%)
4+ 1.7= 5.5-2.4= 2.5+0.9=
3- 1.4= 0.6 x 0.49= 7.6-3.9=
2, column vertical calculation, play ☆ check. (6%)
☆29.9+ 13.06= 7.0 1-4.5=
3, off-type calculation, how to calculate how simple. ( 18%)
1300÷25÷4 19×( 14+48)÷38 23×25+75×23
99× 13 6 1.3-6.83-3. 17 3.8+2.523-3.8
east
western
south
north
school
municipal government
⊙
200 meters
Children’s Palace
⊙
Fifth, I am best at operation! (6%)
1. This school is under the leadership of the municipal government.
The distance is meters. (2 points)
2. The Children's Palace is in the direction of the municipal government.
The distance is meters. (2 points)
Zhang Ting's home is 400 meters west of the municipal government.
Please mark the location of her home on the map. (2 points)
Part II Practical Application (26%)
First, I'm not afraid of problems! (20%, 5 points for each question)
1.In 2008, the per capita income of urban residents in Ruian City was about 22,700 yuan, and that of rural residents was about 9,300 yuan. How much is the per capita income of urban residents more than that of rural residents?
Zhang Ting read a 280-page story book, which took him seven days to finish. I read 120 pages in the first three days, and how many pages did I read every day in the last four days?
3, a pile of goods, 28 tons, the rest is five times less than the transported 15 tons, how many tons was this pile of goods originally?
Mr. Wang from the General Affairs Department went to the shopping mall to buy plastic buckets. Original price 18 yuan/piece, because of the large quantity, the current price 16 yuan/piece. How many plastic buckets can I buy now?