Third grade mathematics
1. Fill in the blanks (sub-item 1- 10, 1, 12,1,* * 19 get 0.5 points).
1, 50cm = () decimeter 7 tons = () kg 6000g = () kg 300 minutes = ()
2 minutes and 30 seconds = () seconds 6 mm +24 mm = () mm = () cm
2. Divide a circle into five parts, each part is a circle () and four parts are a circle ().
3. Opposite sides of a rectangle () and (), four corners (), four sides of a square () and four corners ().
4. Fill in "must", "impossible" and "possible" in ()
The sun rises in the east; You () are a third-grade student; Piglet () can fly.
There are two identical rectangles, 6 cm long and 3 cm wide. You can spell () with a circumference of () cm or () with a circumference of () cm.
6. Please measure it. This test paper is about () cm long and () cm wide.
7. When CCTV broadcasts News Network, the hour hand on the clock face should point to () and the minute hand should point to ().
8. When calculating 8600-3400, think: () one hundred-() one hundred = () one hundred = ().
9、 ( )×7=7-7=( )+0
10,3,5,9 are arranged in different three digits, and there are () different arrangements. Among these figures, the largest is () and the smallest is ().
1 1, according to "36 pine trees and 85 willow trees", you can find ().
12, the side length of the square is expanded by 2 times, and the perimeter ().
Second, true or false (65438+ 0 points for each small question *** 8 points)
1. Square and rectangle are special parallelograms. ()
2. A chicken weighs about 2g.
The sum of six identical numbers is equal to six times this number. ()
Multiply 4, 0 and any number to get any number. ( )
5. A three-digit number times five, and the product can only be three digits. ( )
6. Units less than tons are kilograms, grams, meters and decimeters. ( )
7. Divide an apple into 4 parts, each part is apple's ().
8. In division with remainder, the remainder must be less than the divisor () 3. Multiple choice questions (2 points for each small question *** 12 points)
1, a truck can load ()
a，4g b.4t c.4kg。
a、B、C =
3. The minute hand goes from "3" to "9", and the elapsed time is ().
A, 30 points B, 36 points C, 6 points
Grandma Zhang Ran ran three times around the square playground with a length of 50 meters, and grandma Zhang Ran ran () meters.
a、200 B、 150 C、600
5. The product of the largest three digits and the largest one digit is ().
a、899 1 B、990 C、 1009
6. The Yangtze River, the longest river in China, has a total length of 6300 ().
A, cm b, m c, km
Fourth, calculation. (32 points)
Write the number directly. (10, 0.5 per question)
2500×4= 72-35= 47+36= 7900+ 1200=
9300-7 100= 260×3= 370+530= 60÷9=
12×4= 5000×9= 378×6≈ 607+295≈
( 1200- 1000)×6= 100-25×2= 2 1×3×0×5=
2. Calculate the following questions vertically. (Question check with ※) (2 points for each question, 4 points for questions with ※, *** 18 points)
806× 4 = * 38 14+5288 = checking calculation: * 58 13-3954 = checking calculation:
5007-2 179= 1050×8= 78÷ 8= 537 ×6=
Column calculation. (12)
What is the five times of (1) 320?
(2) How many kilograms is 4200 kilograms more than 3800 kilograms?
(3) One factor is 628 and the other factor is 7. What is the product?
(4) When a number is divided by 7, the quotient is 13 and the remainder is 5. What's this number?
VII. Application problems (4 points for each event of No.65438 +0-4, 5 points for No.5, *** 2 1 minute)
1. There are 44 students skipping rope. Divide every six people into a group. How many groups can they be divided into? How many people are left?
There were 320 visitors in the zoo in the morning, 25 fewer in the afternoon than in the morning. How many tourists are there on this day?
3. A workshop produces a batch of parts, with an average of 372 pieces per day. After 6 days of production, 150 pieces are still not produced. How many parts are there in this batch?
4. A train leaves Xi 'an at 3: 30 and arrives in Lanzhou at 10: 30. Train speed120km. How many kilometers is it from Xi 'an to Lanzhou?
5. The rectangle is10m long and 6m wide. Its circumference is equal to the circumference of a square. How long are the sides of this square?
Eight, selected as (5 points for each small question *** 10)
1.A+C = 14 A =()A+B = 15 B =()B+C = 13 C =()