Fill in the blanks. (Per grid 1 min, *** 17 min)
1. When facing the sun in the morning, the back is (), the left is (), and the right is ().
2. At night, when you face Polaris, your back is () and your right is ().
3. In the division formula, the divisor and quotient are equal to 9, so the dividend is ().
4. When a number is divided by 5, the quotient is 56 and the remainder is 3. This number is ().
5.□85÷3 If the quotient is three digits, then □ should be filled in at least (); if the quotient is two digits, then □ should be filled in ().
6. The quotient of 894÷9 is (), and the quotient is ().
The quotient of 7.28 1÷6 is () digits, and that of 955÷5 is () digits.
8. The physical education class 100m scores of Xiaoming, Xiaohong and Xiaodong are 13s, 14s and 15s respectively. Their average score is () seconds, and () runs the fastest.
9, as shown:
Park school
Supermarket hospital
From the park to the school, we must first set out in the direction of (). When we arrived at school, we stopped for a while.
Second, oral calculation. (Each question 1, *** 18)
630÷9= 2 100÷7= 300÷6= 808÷4= 0÷ 10=
125×0= 400÷2= 550÷5= 12×7= 50÷2=
7 1÷8≈ 199÷2≈ 277÷4≈ 35 1÷5≈ 562÷7≈ 89÷3≈ 198÷5≈ 723÷9≈
Third, judge the question. (2 points for each question, *** 10)
1. In division with remainder, the divisor is 3 and the remainder must be 1. ( )
Divide 2.0 by any number to get 0. ( )
3.□ 25 ÷ 5, if the quotient is two digits, the number in □ can only be filled with 4. ( )
In the forest, we can tell the direction by the density of leaves. ( )
5. When three digits are divided by one digit, the quotient may be three digits or two digits. ( )
Fourth, vertical calculation. (The following three questions should be checked) (3 points for the first three questions, 5 points for the last three questions, and 24 points for * * *)
5 14÷3= 624÷6= 79 1÷7=
804÷5= 720÷6= 258÷3=
Five, multiple choice questions. (2 points for each question, *** 10)
1.2000 divided by 5 has () zeros at the end.
A. 1 B.2 C.3
2. Xiaoming's southwest direction is Zhang Qiang, so Xiaoming is in Zhang Qiang's direction.
A. Southeast B. Northwest C. Northeast
3. A bag of 50 kg of rice, delivered by the grain store 140 bags, with a maximum of 6 bags at a time and at least () times.
23 c.24
4. Xiaoling Chinese Mathematics 182, English 85. Her average score is ().
A.89，b. 134，c.90
The sum of () 4 is 128.
a. 124
Sixth, solve the problem. (3 points for the second question, the remaining 6 points, ***2 1 point)
1.( 1) Xiaoming and Xiaoli are standing back to back. Xiaoming goes north150m, Xiaoli goes south120m. How many meters are they apart?
(2) If two people stand together in the same direction, they all go north, Xiaoming goes150m, and Xiaoli goes120m to the south. How many meters are they apart?
2. A children's TV series ***3 16 minutes. Divided into 8 episodes. How long does each episode last?
There are 50 students in Class Three (1), and each student has a desk. How many tables does a * * * need? Put a row every five tables. How many rows can you arrange them?
4. Statistics of supermarket beverage sales last week
week
one
two
three
four
five
six
sun
sell
12
nine
eight
nine
seven
12
13
Solve problems according to information.
(1) and () sell the most drinks, which are () boxes; There is a difference of () boxes from the day with the least sales.
(2) How many boxes of drinks are sold on average every day?