I. 30 points for calculation questions
1. Write the result directly. Five points.
160÷40= 76÷ 19= 148+252= 36+24÷4=
760-280= 640÷40= 450÷ 15= 6 1-63÷2 1=
2. Please check 9 points for vertical calculation with problems.
48 1÷37= 3 15÷45= 782÷34=
249÷ 18= 962÷24= 600÷70=
be simple
3. Mixed operation. 12 point
475+20×8 90-75÷5 720÷8×9
19× 100-78 86+54÷28 770÷ 14+2 1
4. Simple calculation. 4 points
1540÷45 1200÷25÷4
Second, make up for each space 1 minute, ***24 points.
1. A string of colored lights is arranged in the order of red, yellow, blue, red, yellow and blue ... The 23rd light is colored.
2. Make the quotient of □53÷48 into single digits, the largest in □ can be filled in, the quotient of 53÷48 is two digits, and the smallest in □ can be filled in.
A bottle of mineral water is about 200, and a washbasin is about 5.
4.72 hours = 7000ml = liters per day.
15L = ml 5L-200mL = ml
5. Do not count, and fill in ">" in the ○ below. "<" or "=".
25×20÷ 10 ○ 25+20× 10 150- 100-25○ 150- 100+25
240÷60 ○ 24÷6 82-36÷ 12 ○ 84-36÷ 12
30×8+2 ○ 30×8+2 960÷24 ○ 960÷8÷3
6. When calculating 272÷36, first look at the first few digits of the dividend, which is not enough to quotient 1, so its quotient is digits.
7.26 adds up to 468. 72 1÷ =20…… 1
8. The bar chart shows 20 people in 2 grids, and each grid represents 20 people on average. According to this calculation, we need to draw 120 people.
9. Make a cuboid with two cubes of the same size, and you can see different figures from the front, right and above.
10. ÷△ =16 ...16, △ is minimum, and minimum is.
Third, operational issues. Calculate 8 points
1, connecting two formulas with equal numbers. 5 points
320÷ 16 480÷2÷5
24× 18 320÷4÷4
240÷5 28÷4
60× 16 4× 16× 15
280÷40 24×2×9
2. What does the object below look like from different directions? Draw a picture on a square paper. 3 points
In front, on the right.
4. Choose one item and fill in the serial number of the correct answer in brackets, with 5 points.
1, the capacity of a bathtub is about.
A, 4 liters of B, 40 liters of C, 400 liters
2, the remainder of a division formula is 35, then the divisor.
A greater than 35 B equals 35 C and less than 35c
3. The quotient of □ 35 ÷ 48 is double-digit, and there are two ways to fill in the □ in the dividend.
A 4 B 5 C 6
4. Rewrite "200- 130 = 70, 12× 70 = 840" into a comprehensive formula.
a 200- 130× 12 B 200- 130× 12 C 12×200- 130
5. Which object do you see from the front? What shape do you see?
B.C.
5. Tick "√" in brackets for the correct judgment and "×" for the wrong judgment, with 5 points.
1, three digits divided by two digits, the quotient is not necessarily one digit. …………………………………………
2、480÷4×6=480÷4÷6 …………………………………………………………
3. The average depth of the river is 1 10 cm, and the height of Xiao Ming is 145 cm, so there is no danger for Xiao Ming to enter the water. …………………………………………………………………………………………
If the remainder is greater than the divisor, it means that the quotient is small and should be increased. ………………………………………
5、570÷40= 14…… 1。 …………………………………………………………………
Six, solve the problem 28 points
1. Li Gang needs 14 minutes from home to school. How many minutes does it take him to walk from home to the Children's Palace at the same speed? 4 points
2. The school complex building site used 182 packages of cement for two weeks. 4 points
1. How many bales of cement are used on average every day? 2. According to this calculation, complete the following table.
Cement packaging quantity 234 598
Project construction days 45
The specification of a bottle of liquid medicine is 600 ml. How many days can this bottle of liquid medicine be given to an 8-year-old child? 4 points
In the singing contest, the judges gave Xiao Gan the following scores. 5 points
Judge Jiang, Teacher Ding, Teacher Li, Teacher Zhuo, Teacher Fang, Teacher Wang and Teacher Liu.
Score 90 89 62 88 92 86 98
According to the rules of the game, a highest score and a lowest score should be removed. Can you calculate Xiao Gan's final average score?
5. The school bought 8 boxes of the same pens, each box 12, and used them to go to 480 yuan. How much is each pen? 4 points
6. Lili collated the height data of Class One, Grade Four, and the results are as follows. 5 points
Height cm120 ~129130 ~139140 ~149150 and above.
Number of people 7 16 12 8
1 Complete the bar chart below according to the data in the table.
Statistics on the Height of Class One Students in Grade Four
date month year
This class has the largest number of students in centimeters and the smallest number in centimeters.
Lily's height is 142 cm, ranking first from high to short.
The height in winter and winter is exactly equal to the average height of the class. His height is about 10 cm.