# 3 # Introduction It is a good choice to keep in mind your mistakes when doing the topic. For the mistakes in difficult problems, the main thing is to do more problems that you can't, try to understand and do more. As long as you do more than other students, your grades will certainly not be bad. The following is the relevant information, I hope it will help you.

Tisch

1. Calculation problem (***28 points) 1. Write the number directly. (10)

360÷3=424÷4= 180×2=400×5=

96÷2=460+540=4× 18=60÷3=

2×240= 1200-300=5 1÷3=800÷2=

43×0=560÷7=78+ 14=68- 19=

1300-700=78÷6=37+37=79-59=

2, with vertical calculation (write calculation process). (18)

84×49×564806×7=4×240=

98÷7=※850÷38 16÷4=※204÷5=

Two. Fill in the blanks (28 points)

1, 24 is () times of 4, 4 times of 24 is (), and the number less than 99 is ().

2. □□□□□ 5 =11…□, the remainder is (), and the dividend is ().

3, □26÷4, to make the quotient two digits, fill in □ (); To make the quotient three digits, the minimum value in □ is ().

4. Fill in the appropriate unit name or number.

A pencil is 18 () long. A buffalo weighs about 350 ().

Three bricks weigh 600 grams, so six bricks weigh () grams.

A 2-cent coin weighs about 1g, and 6000 2-cent coins weigh about () kg.

5. Fill in >, "6002 18+679()604-386 > and fill the brackets. ()

129×6()

Second, the judgment question. (Draw "√" correctly and "?"incorrectly.) ) (5 points)

1. Multiply the minimum three digits by one digit, and the product is three digits. ()

2. The product obtained by multiplying two numbers must be greater than one of these two multipliers. ()

3. Two rectangles with equal perimeters can be merged into one big rectangle. ()

4. Make four squares with a side length of 5 cm into a big square with a circumference of 80 cm. ()

5. To test whether the quotient of dividing two numbers (without remainder) is correct, you can't test by dividing the divisor by the quotient. ()。

Third, multiple choice questions. (Fill the serial number of the correct answer in brackets) (5 points)

1.25×2÷2 The result is ().

A.25B.50C. 100

2. 1×0=()。

1B.0C

The product of 3.680×5 is () digits.

A. three b's, four c's and five.

4. In the following formula, the quotient of () is closest to 15.

A.96÷6B.48÷4C.38÷3

5. An egg is about lighter than an apple ().

a . 100 b . 1kg c . 1t

Fourth, the calculation problem. (28 points)

1. Vertical calculation. (12)

507×8 16 1×3

86÷7600÷5

2. Off-mold calculation. (16)

147+235- 139(28+ 19)×9

34×6+23476+62×2

Draw the symmetry axis of the symmetrical figure below. (Draw any one) (3 points)

6. Find the perimeter of the picture below. (Unit: cm) (9 points)

Seven, solve the problem. (27 points)

1. A clothing company wanted to make a batch of women's windbreakers, and it took four days to make 145 pieces every day, with 420 pieces missing. How many windbreakers did you plan to make? (9 points)

2. Xiaohong's family has two identical square tables, each with a side length of 8 cm. (10)

(1) Put lace around the desktops of these two tables. * * * How long do you need lace?

(2) Put these two tables together to form a rectangular table, and put lace on this rectangular table top. How long does it take to do it once?

3. How many different ways are there? (8 points)

Reference answer

I. 1. 10082. Four and three. 4.805 kg/ton. >; = & gt6.37. Yellow (form)

8005, 8,005.50080.80088808885

2. 1.√2.3.？ 4.？ 5.√

Three. 1.A2.B3.B4.A5.A

Four. 1.4438+02 ………………………………………………………………………………………………………….

2.243423438200

Five,

6. 3+4+5= 12 (cm)

(2+5)×2= 14 (cm)

3+3+5+7= 18 (cm)

Seven. 1.145× 4+420 =1000 (pieces)

2.( 1)8×4×2=64 (decimeter)

(2)8×2×2+8×2=48 (decimeter)

3.6 types

Tisso

First, fill in the blanks. (16) 1.5 yuan angle 3 = () yuan.

9 jiao = () yuan

12cm = () m

1 m 20cm = () m

2 yuan 4.8 = () yuan.

2. Look at the number axis to judge the size of the number.

Second, compare the sizes of two quantities in each group below. (8 points)

0.08 yuan 0. 1 1 yuan 2 yuan 1.95 yuan.

0.6 yuan 0.9 yuan 1.0 1 RMB 0.99 Yuan.

0.45 m 0.48 m 0.2 1 m 0.07 1 m

1.9 decimeter 2.0 1 decimeter 3 decimeter 2.7 decimeter

Third, answer as required. (8 points)

1. Please rank the following children according to their height.

2. Rank the following four students.

Top four in class three (3) long jump.

Name score/scale

Luo Jiuji 3. 12m

Beam 3. 15m

Liang Haokun 3.33 meters

Zhou quan 2.95 meters

Fourth, the judgment question. (Draw "√" on the right and "?"on the wrong.) ) (6 points)

1.68.7 1 Reading: 68.7 1. ()

2.0.8 and 0.80 are decimal places, because the "0" at the end of 0.80 can be omitted. ()

3.3 decimeter = 30m ()

4.5m 7 decimeters = 5.7m ()

5.0.9, 0.909, 0.9009, 1.0 1 in descending order is 0.9.