Class name score
First, let's see who is the smartest. (***36 points)
1. What can I put in the brackets? (4 points)
4×()& lt； 30()×9 & lt； 62
3×()& lt； 17()×7 & lt； 6 1
2. Find the pattern and fill in the numbers. (5 points)
408、409、 、 、 ;
、 、450、500、550。
3. fill in ">", "
498 0500 4806 04806 2080 008
100 mm ○9 cm 900 m ○ 1 km 50 cm ○400 cm
4. 10 () is ten thousand; 2438 consists of () thousand, () hundred, () ten and () one; A number consists of five thousands and three tens. This number is (). (6 points)
5. 76 MINUS 8, MINUS () times in a row, leaving 4.
6. In Equation 63-7÷7, the method () should be calculated first, and then the method () should be calculated. The largest three digits are () and the smallest four digits are (). (5 points)
7. Fill in the appropriate units in (). (4 points)
The height of a big tree is about 9 (). The height of light light blue is 134 ().
The thickness of a piece of glass is 3 (), and a car travels 60 () per hour.
8. Look at the pictures and fill in the blanks. (6 points)
1. Chickens are on the _ _ _ _ _ side of a white horse, flowers are on the _ _ _ _ _ _ side of a white horse, and pigeons are on the _ _ _ _ _ _ _ side of a white horse.
2. The bear is on the _ _ _ side of the white horse, the clock is on the _ _ _ side of the white horse, and the leaves are on the _ _ _ _ side of the white horse.
Second, see who can calculate quickly and accurately: (***26 points)
1. I can write the number directly. (6 points)
25-9= 37+8= 42÷6= 9×9=
13+56= 7×8= 96-40= 2 1÷3=
70+26= 100-20= 32 +3= 42+50=
2. Vertical calculation: (8 points)
24÷8 = 42 ÷9 = 14÷3 = 50÷ 6 =
3. Mixed calculation: (12 points)
4 × 9 - 20 15 + 5 ×5 35 ÷ 7 + 10
80 - 42÷6 ( 6 + 3 )×9 24÷ ( 17 – 9 )
Third, the operation problem, draw a picture and test it. (10)
(1) 3cm 5mm
(2)2 cm less than 5 cm
Fourth, be a good housekeeper: (16 points)
1. Naughty took out 50 yuan and bought a pair of scissors. How many cartoon dolls can he buy with the remaining money?
2. How much cheaper is a crayon than a pair of scissors?
How much does it cost to buy two pairs of shoes and a pot of flowers?
How much does it cost to buy a crayon and a pair of scissors? After paying 20 yuan, how much should the salesman get back?
Five, line up, one point. (12)
1.23 people stand in a row, with an average of 8 people in each row. How many rows can you stand? How many people are left?
2. If there are 7 people in each row, how many rows can you stand? How many people are left?
3. If every four people stand in a row, how many rows should they stand at least?