1, see who is the fastest. (12)
37+63= 72÷8= 570+( 100-73)= 40÷8+90=
9×5= 278+3 12= 54÷9×3= (352-289)÷7=
389+498≈ 507-445≈ 789+328= 486- 165=
2, column vertical calculation, with ""check. (16)
956 + 237 = 620–338 = 505–238 =
542–476 = 1000-678= 354 + 177 =
Two. Fill in the blanks (27 points)
1.5t = () kg 6 decimeters = () cm
1t+400kg = () kg1m–4 decimeter = () decimeter.
400 meters +600 meters = () kilometers 3 minutes = () seconds.
170 points = () points 100 seconds +20 seconds = () points.
2. Fill in the appropriate units in ().
The math book is about 6 () thick. ② A hippopotamus weighs about 4 ().
③ My height is1() 56 cm; The weight is 30 ().
④ 40 () in one class, and 6 () in five strokes.
It took Nanjing 5 () to go to Shanghai by train.
3. Associate the appropriate weight with the corresponding animal.
40 tons 7 kg 3 tons 100 kg
4. Compared with the perimeter of B in the left picture, the perimeter of A () the perimeter of B.
(Fill in greater than, equal to or less than).
5. Fill in ">" in ○. " & lt""="。
3 minutes 03 hours 6700 kg 07 tons
1 decimeter χ1cm 7900 m χ 67 km
6. The three-digit number consisting of four, seven and nine is (), and the smallest three-digit number is (). The smallest number is less than the number ().
Third, multiple-choice questions, fill in the serial number of the correct answer in brackets. (*** 10 point)
1. 400 meters around the playground runway. After two laps, the distance from 1000 meters is still () meters short.
A, 200 B, 600 C, 800
On March 2 12, Xin 'an Primary School organized fifth and sixth grade students to participate in tree planting activities. 572 trees were planted in the sixth grade and 183 trees were planted in the fifth grade. A * * *, how many trees have been planted?
The correct formula is ()
572+ 183
3. Class starts at 2: 00 pm, with a 40-minute class and a rest 10 minute. The second class () begins.
2: 50, 2: 40 and 3: 00.
X K b 1。 C om
4. Story books 12, 4 science and technology books, the number of story books is () times that of science and technology books.
A.3 B.4 C. 2
5. In the following groups of figures, the large number in () is 6 times the decimal number.
A.30 6 B.36 4 C. 42 7
Four, draw a picture (5 points)
1, draw a line segment with a length of 2 cm and 4 mm.
2. Draw a line 4 cm shorter than 1 decimeter. (2 points)
Five, solve the problem (30 points)
1. The train from Wuhan to Lanzhou via a city arrives at 8: 30 in the morning. It's late now 15 minutes. What time does it arrive?
There used to be 850 bottles of drinks, but 598 bottles were sold this morning and 134 bottles in the afternoon. How many bottles did you sell today? About how many bottles are left?
3. A 3-meter-long ribbon, cut into 5 equal lengths. How long is each part?
Is 4.4-ton truck loaded with 5 800kg machines overloaded?
There are 8 pots of roses in the flower bed. (6 points)
(1) The number of pots of chrysanthemums is four times that of roses. How many chrysanthemums are there?
(2) Peony flowers are more than roses 10 pots. How many cans are there?
(3) What other math questions can you ask?
6. Larvae grow into adults. It grows from the original 1 cm to 2 cm every day (increasing 1 cm every day). After 4 days, how long is it? (4 points)