Default classification 2009- 10-28 09:05:23 Read 2655 comments 4 font size: large, medium and small.
I. Oral calculation (6 points)
6×3= 49÷7= 18÷6= 45+32= 24÷8= 40÷5=
500+300= 450+500= 360-80= 50+800= 9×6= 72÷8=
28÷7= 5×9= 360-30= 730-700= 18÷3= 3400-300=
120+400= 2 1÷7= 700+800= 9×4= 48÷6= 1200+800=
720+80= 8×7= 460+400= 6×8= 6×7= 45÷5=
200+800= 24-6= 8×3= 3000- 1500= 760+60= 35÷7=
27+53= 240- 120= 5000-500= 3600-600=
Second, the window of knowledge (fill in the blanks, each empty 0.5 points, *** 15 points)
1, 3 cm = () mm () cm =5 decimeter
3 cm 5 mm = () mm 6 km = () m.
100 mm = () cm () m =4 km
40mm = () cm 10km = () m。
100 mm = () decimeter 6 km 300 m = () m
2. 1t = () kg = 5000g。
4 tons = () kg 9000 kg = () tons
() ton = 2000 kg 3000 g = () kg
3. Fill in the appropriate units.
A bottle of soy sauce weighs 1 () and the truck load is 8 ().
The third-grade students weigh about 30 () and the airport runway is about 3 ()
The table is 85 () high and the pin is 22 ()
Obviously, running around the school playground twice is 400 meters, just short of 1 km ().
5. To measure the thickness of math textbooks, it is best to use () as the unit, and to measure the length of the school playground, it is best to use () as the unit.
6. A piece of white paper weighs about 3 (), an elephant weighs about 2 () and a watermelon weighs about 4 ().
7. When measuring a small length, people often measure the length of the following line segment in units of ().
Long()
Third, I will connect (find the right unit to connect with a line, 2 points for each question, 8 points for * * *).
Length of a bridge 15m.
The math book is 125cm thick.
Xiaoqing is 5 kilometers tall.
A building is 8 mm high.
4. Who's right and who's wrong (tick right and wrong, and make a wrong X). 65438+ 0 points for each question, ***7 points)
1, a pencil is 18 meters long. ( )
2. The width of the math book is about 17 cm. ( )
3. A three-story building is about 10 decimeter high. ( )
4. A van in Chang 'an with a load of 1 ton. ( )
5. It is about 4 kilometers from Xincheng Primary School to John Wan Bus Terminal. ( )
6. Weight of a pig 100 kg. ( )
7. An adult blue whale weighs 30 kilograms. ( )
5. I can draw (2 points for each question, ***6 points)
1. Draw a line segment with a length of 42mm.
2. Draw a line segment, length 1 decimeter, 2 cm.
3. Draw a line 5 mm shorter than 7 cm.
Calculation of intransitive verbs (***28 points)
1. calculation. (2 points for each question, ***20 points)
6 tons 200 kg = () kg 1 m -3 decimeter = () decimeter.
7 km -5000 m = () m 8 mm +2 mm = () cm.
82cm-52cm = () decimeter 3cm+2mm = () mm
1 ton -700 kg = () kg 6 tons -2000 kg = () kg
5200kg-3200kg = () tons 200kg+ 1800kg = () tons.
2. Fill in "=" and ""in (). (65438+ 0 points for each question, ***8 points)
2 tons () 960kg1000g () 3kg
45g () 3kg 2050g () 2049kg
4 km () 4200m 1 00mm ()1decimeter.
15 tons () 15 kg 5000 kg () 5 tons
Seven, happy ABC (fill in the serial number of the correct answer in brackets, 2 points for each question, *** 10))
1. The lightest is ().
7000 grams, 2 tons and 2 kilograms
This plane flies about 800 miles per hour.
Decimeter centimeter
3.2 bag cement weight 100 ()
A.kg b.g.c.t
1 hour I can walk 5 ().
Decimeter centimeter
5. 1 ton iron compared with 1 ton wood ()
A. iron is heavier. B.the wood is heavy. C. the same weight.
Eight, colorful life garden (problem solving, 1, 2 questions each 6 points, 3 questions 8 points, ***20 points)
1. There are three containers on a truck with a load of 2 tons, each weighing 600 kilograms. Is this truck overloaded?
The vegetable vendor brought 6 tons of Chinese cabbage, sold 3,000 Jin in the morning and sold it all in the afternoon. How many catties of Chinese cabbage do you sell in the afternoon?
3. How to get to the post office from the stadium is exactly 1 km? Draw the route on the map and calculate it. )