Current location - Training Enrollment Network - Mathematics courses - Beijing normal university printing plate fifth grade second volume mathematics mid-term examination paper answer, and then give points!
Beijing normal university printing plate fifth grade second volume mathematics mid-term examination paper answer, and then give points!
Mid-term examination questions of fifth grade mathematics in primary school (below)

Class name score

Fill in the blanks. (2 1)

1. There are 12 pencils, which are distributed to 6 students on average. Each pencil is () () of the total number of pencils, and each person gets () () points of the total number of pencils.

2. Three 15 is () (), while () 1 () is 1 18.

3. Fill in ">", ">" or "=" in ().

0.88 ( )89 14 ( ) 15 157 ( ) 2 17

4. When 1 1cm = () m 53 minutes = () (), 27kg = () tons.

5. The sum of three numbers in the table below is 6. Move this box in the table, and a * * * can get () different sums.

1 2 3 4 5 6 7 8 9 10 1 1 12 13 14 15

6. The greatest common factor of17 and 5 1 is (), and the smallest common multiple is ().

7、

The number of black chess pieces is 14 of that of white chess pieces, the length of ribbon A is () () of ribbon B,

There are () black chess pieces. The length of band b is the length of band a () ().

8. Fill in the appropriate score in the following ().

Second, choose (put the serial number of the correct answer in brackets). (1×5=5 points)

1, 2.4÷X( )0.8 when X=0.3.

A, b, c, d and ≈.

2. The point A in the picture on the right is represented by a number pair as ().

The greatest common factor of the numerator and denominator of 3.2436 is ().

a、4 B、8 C、 12 D、24

4. In a7, A is a non-zero natural number, and when a=6, it is a7 ().

A, true score b, false score c, with score d, score unit

5. The construction team completed a 9-kilometer-long road in 8 days, and repaired the road () every day on average.

a、89 B、98 C、 19 D、 18

3. Judgment (mark "√" for the right and "×" for the wrong). (1×5=5 points)

1, all equations are equations. ………………………………………………………………… ( )

2. When the greatest common factor of two numbers is 1, the least common multiple of these two numbers is their product. ……( )

3. "Boys account for 59% of the students in Class Five (1)", with boys as the unit. ………………………… ( )

4. False scores are all greater than 1. ………………………………………………………………… ( )

5. Distribute 3 cakes to 5 children equally, and each child will get 35 cakes out of 1 cake. …………………………( )

Fourth, calculation. (32 points)

1, reciprocity of fractions and decimals. (6 points)

(1) Decimalize the following into component numbers.

0.9= 0.23= 0.057=

(2) Fractions below decimals. (Keep three decimal places) (6 points)

58 1 16 9 16

2. Solve the following equations. (3×4= 12 points)

X+63 = 248 X- 12.7 = 2.7 X÷5 = 0. 16 9X = 6.3

3. Look at the picture equation and solve it. (4×2=8 o'clock)

Verb (abbreviation for verb) chart operation. (10)

1. The following is the plan of Qianjin Community:

(1) Use number pairs to represent activity centers and supermarkets.

The location of. (2 points)

(2) Xiaoming's home is located in (9, 7),

Please mark it on the map. (2 points)

(3) Xiao Ming starts from home and goes south first.

Four squares, two squares to the west. Where have you been? Draw a walking route on the map. (2 points)

2. Draw a picture. (4 points)

Draw the graph 14 in different ways.

Painting method one painting method two

Sixth, practical application. (5× 3+6× 2 = 27 points)

1, Uncle Zhang and Aunt Li are typists. Aunt Li/Kloc-0 typed 50 words per minute, with an average of 56 words per second, and Uncle Zhang typed 0.8 words per second. Who types faster, Uncle Zhang or Aunt Li?

2. There are two ribbons, one is 30cm long and the other is 16cm long. Now we're going to cut them into short ribbons of the same length, and there's nothing extra. What is the longest length of each short ribbon?

3. Fruit shop delivery 10 basket of apples, 20 baskets of pears, 800 kg each. Each basket of apples weighs 20 kilograms, and each basket of pears weighs how many kilograms? (Equation solving)

The school is going to put a set of tiles on one wall of the clinic (as follows). How many different ways are there?

5. The picture below shows a trapezoid.

(1) How high is the bottom of the trapezoid? How many times is the upper and sole?

(expressed in fractions)

(2) What is the area of this trapezoid?