First, fill in.
1.
The area of the oceans on the earth is about 3.6 1 100 million square kilometers.
Numbers written on the horizontal line
(
)
Square kilometers,
The mantissa after omitting "100 million" is about (
) 100 million square kilometers.
2.2030
kilogram
=
(
) tons
=
(
) tons (
)kg
12
seven
hour
=
(
) points
3.
exist
eight
three
、
3.75%
、
0.375
、
The biggest of these four numbers is (
)
, the smallest number is (
)
4.
The ratio of the degrees of the three internal angles of a triangle is
1
1
2
, the largest angle is (
) degrees, this is a (
)
Triangle.
5.
The unit price of greeting cards is
a
Yuan, Xiaoying bought it.
10
A greeting card like this, use it (
) yuan; Xiaoming bought it.
b
Zhang Zhe
Greeting cards, paid
12
Yuan, should be found (
) yuan.
6.
Write numbers on it
1
~
nine
about
nine
Put the same ball in the bag, touch any one of them, and touch the small circle with odd numbers written on it.
The possibility of the ball is
(
)
If you touch one ball at a time,
Put it in the bag after touching it,
* * * Touch
90
Second,
might have
(
)
I touched the ball with a "4" for the second time.
seven
.
A cylindrical piece of wood,
Length 1
.
5 meters,
After the bottom surface is sawed into two parts evenly along its diameter,
The surface area increased by 600.
Square centimeters. The volume of this wood is (
) cubic centimeters.
8.
In the table below, if
x
and
y
Is proportional to, then the number represented by ☆ is (
)
; if
x
and
y
Then, it is inversely proportional.
☆ The number displayed is (
)
nine
.
The school held a natural science knowledge contest.
***
10
Grab the answer.
The scoring rules are:
Answer a question correctly, add
20
Points,
Wrong answer or no deduction
10
Points.
If you add
20
Divide into+
20
Points,
So buckle it.
10
be split into
(
)
Points.
Xiao Qiang's score in this competition is?
1 10
Points, he got it right (
) problem.
10.
There are the same number of red balls and white balls in the box.
Take it out every time
eight
A red ball and
five
A white ball,
take
(
)
Three times later, the red ball had just been played and the white ball was still there.
15
A. There used to be red balls in the box (
) one.
Second, sentence.
1.
Hope primary school sixth grade
96
All the students arrived at school today, and the attendance rate was.
96%
(
)
2.
The number a is less than the number B.
three
1
Then the number a is the number B.
three
2
(
)
3.
Put one
2
Wood with a length of meters and a uniform thickness is sawed to the same length.
four
Segment,
Each section accounts for the total length of this piece of wood.
four
1
Length of each segment
0.5
Rice, every saw takes time.
three
1
(
)
4.
Only prime numbers
2
It's even, and the rest are odd.
(
)
5.
The reciprocal of any real score must be greater than.
1.
(
)
6.
The price of a shirt is
50
Yuan,
Reduce the price first
20%
Later the price was raised.
20%
So the current price is the original price.
about
96%
(
)
Third, choose one.
1.
Put the number of people in category A.
eight
1
After being transferred to Class B, the number of students in the two classes is equal. The original ratio of these two types of people is (
)
A.8
7 B.7
8 C. 3
4 D.4
three
2.
The following figure shows
four
A flower bed,
Plant roses in the shadows.
The area of roses accounts for the largest proportion.
(
)
3.
exist
1964
Year,
1978
Year,
1995
Year,
1996
Year,
200 1
Year,
2 100
In a year, leap years have (
)
A. 1
individual
B.2
individual
C.3
individual
Dingsi
individual
4.
In the figure below, a cylinder can be rotated by a circle around a straight line (
)
5.
In the picture below, what cannot be folded into a cube is (
)
Fourth, do math.
1.
Write the number directly.
0.57
+
0.43= 4. 13
-
1.3= 2.5
×
28= 7.2
÷
0.6= 0.5
2
=
three
-
six
five
1
=
(
three
1
+
six
1
)
= 15
÷
15
1
×
15
1
=
four
five
×
8+8
×
four
1
=
2.
Explore the unknown
x
2x
-
2
1
=0.5 x
+
four
five
x=
16
27
six
five
x
÷
seven
three
=35 0.36:x=
10
1
：
nine
four
3.
Do the math.
0.375
×
four
three
1
+
eight
five
×
1.75
(
2
1
-
eight
three
)÷(
four
÷
15
eight
)
[ 1
-(
four
1
+
eight
three
)
]
÷
four
1
Five, try it.
1.
There is a very long one.
four
Centimeter,
extensive
2
Cm thick cardboard,
Xiao Ye should cut the largest two pieces from this cardboard.
Round. Please draw a schematic diagram and find out the area of the remaining cardboard.
2.
Each block in the figure below represents
1
Square centimeters.
(
1
)
Wrap the triangle in the picture around this point.
A
clockwise rotation
90
Degree,
Draw the rotated figure.
After the rotation,
main points
B
The position of is determined by the number pair (
)
(
2
)
according to
2
1
Draw an enlarged triangle.
The area of the enlarged triangle is
flat
Square centimeters.
Sixth, solve the problem.
1.
What is the turnover of a shopping center in September?
65
Ten thousand yuan,
The turnover in October is higher than that in September.
10
1
ten
What is the monthly turnover of ten thousand yuan? If by turnover
5%
Pay business tax, which should be paid in 10.
How much is the industrial tax?
2.
6 (
1
) The boys in the class are
24
People collect waste paper on average.
1.4
Kilogram; Female students have
26
People,
* * * Collect waste paper
3 1.2
Kilogram. How many kilograms of waste paper does everyone in this class collect on average?
3.
Li Xiaojun bought it at a 10% discount.
three
One ticket for the same football match, one * * *.
8 1
Yuan.
What is the original price of each ticket?
4.
Buy it in our canteen
900
Kilograms of rice,
six
It was eaten.
180
Kilogram. At this rate, the rest is ok.
Eat for a few days.
)
5.
Last winter,
One of the inner diameters of the school is
0.8
The decimeter tap water pipe is frozen and cracked,
Causing a lot of water flow
Lost. It is understood that the speed of water flow in the water pipe is about once per minute.
50
rice. Do math, if
1
The hour hasn't arrived yet.
How many liters of water will be wasted if the water pipe can be repaired?
6.
The picture on the right shows a factory.
2009
Complete the statistics of output value every quarter in.
(
1
As we all know, the total output value was completed in the third quarter.
750
Ten thousand yuan, how many ten thousand yuan is the annual output value?
(
2
) How many ten thousand yuan was the output value completed in the fourth quarter?