22×40= 9+ 14= 120÷6= 300+400=
56÷7= 46+24= 15+ 15= 60×30=
78+ 12= 0÷2= 270-30= 15×20=
1600-900= 1 1×7= 50+780= 25+ 1=
27÷3= 32×3= 72+72= 10× 1 10=
200×30= 8 1÷9= 60×50= 0÷9=
36÷9= 20-5= 900×200= 83-9=
25×2= 120+300= + = 83+9=
8+68= 40÷5= 2 1×4= 37-37=
39+6= 90÷9= 0+ 17= 100-80=
7×4= + = 12×300= 32-22=
12×3= 62- 13= 26÷2= + =
24÷2= - = 63+ 1 1= 28+02=
49- 12= 5200-700= - = - =
56÷8+3= 5+ 12= 0×4÷2= 26-5×4=
Second,
1, 1, March, May, July, August, 10, 12 has () months. There are () days in a month, and (), (), () and () in a 30-day month. There are () days in February this year, () days all year round, () days every week and () hours every day; 5 pm is ().
2. The length units we have learned are (), (), () and (), the area units are (), (), () and (), and the weight units are (), () and ().
3. 1 hectare = () m2 2 years = () months.
3 tons = () kg 200 hectares = () square kilometers
400 square centimeters = () square decimeter 5200 kilograms = () tons () kilograms.
4. Fill in the appropriate units.
The length of the classroom is 8, and the building area of one room is 14.
An elephant weighs about 6, and the cover area of a math book is about 300.
The surface of a table is about 24 hours, running 100 meters, using 15.
5, a class from 8:45 to 9:25, after () minutes.
6. Look at the picture below. Write the decimal first, then compare the sizes.
( ) ○ ( ) ( ) ○ ( )
7. The circumference of a square is 16 decimeter, the side length is () decimeter and the area is ().
8. Arrange the four numbers 7.0 1, 1.07, 1.70, 7.0 1 in descending order.
()& lt()& lt()& lt( )
Third,
1, Xiaohong faces south, and her back is west. ( )
The quotient of 2.247÷8 is 3, and the remainder is 7. ( )
Zhang Ping is five years old, and he just celebrated his birthday. He must have been born on February 29th. ( )
4. Use a 1 6 square puzzle with an area of1square decimeter, no matter what kind of graphics are made,
Its area is 16 square decimeter. ( )
5.20.06 read 20.006. ( )
6. A square with a side length of 4 meters has the same circumference and area. ( )
7. The area of handkerchief is 4 square centimeters. ( )
8.800 square centimeters =80 square decimeters. ( )
Fourth,
1, calculated vertically.
980÷7= 6 12÷6= 780÷9=
Check calculation:
24×2 1= 82× 13= 4 12- 105=
Check calculation:
2.7+0.5= 10.0 1-8.34= 725+602=
Check calculation:
2. Off-mold calculation.
124-35÷7 (34+22)÷8 45÷( 15÷3)
105+6×8 62-( 16-9) 24×3+72
Five,
1. The main building of the municipal party committee is in the youth activity center.
Face, face in the exhibition hall.
The library is in the east of.
To the south of ...
3. Enter the square from the east entrance and go to the Science and Technology Museum.
Which route can I take?
Six,
Circumference:
Region:
Seven,
1. The following is the sales statistics of a beverage in Baijia Shopping Mall for four quarters.
(1) Which quarter has the largest sales volume? How much more than the minimum?
(2) According to the statistical chart, what do you think of the sales volume this quarter?
What is the most reason?
(3) What is the average quarterly sales volume?
2. Four teams of young pioneers went to pick cucumbers. Each team 12 people, with an average of 8 kg per person. How many kilograms did a * * * pick?
There are four classes in Grade Three (1) in our school.
Group, 9 people in each group,
They planted 144 trees on Arbor Day.
Trees. How many trees are planted per person on average?