1 National Day, I made a windmill and a five-pointed star at home. I first made a windmill out of a piece of red paper. I made the first half of the windmill, finished the first half, and then made the second half with chopsticks, and a windmill was finished.
Draw a pentagram with a piece of yellow cardboard, and then cut the pentagram, so that a pentagram is completed. Finally, grandma said I was great, and I felt very happy!
My mother gave me 100 yuan to buy school supplies on Sunday. I happily took the money to the supermarket and bought an eraser 2 yuan, a schoolbag 32 yuan, a pencil box 5 yuan, a crayon 12 yuan and a bundle of pencils 10 yuan. The cashier asked me to calculate how much it would cost.
I remembered the calculation method of continuous subtraction in school mathematics class. The formula is: 100 yuan -2 yuan -32 yuan -5 yuan-12 yuan-10 yuan =6 1 yuan. The cashier praised me as a good boy who loves to study, and I smiled happily.
Diary of the first year of mathematics 3 Today, I played darts with my sister. I found many math problems from this game!
A dart board has five circles, the innermost circle is a red heart, and shooting can get 10 points, the second circle 8 points, the third circle 5 points, the fourth circle 3 points, and the outermost circle 1 minute. My sister and I had a life-and-death contest.
Sister, she hit the fourth lap for the first time and got 3 points. The second shot dropped, and she didn't score! Just as I was smiling from ear to ear, my sister suddenly made progress. Hit the key and get 10 points. I am not happy now. Sister, she got 13!
It's my turn I aimed for a long time. I ran the third lap for the first time and got 5 points. The second shot was not very good, only 3 points. If I want to surpass my sister, I have to shoot the innermost heart for the second or third time. Finally, I took the second lap and won. I'm so happy!
Diary of the first year of mathematics 4 Last night, my sister and I went to Dicos to buy a set meal. My mother gave me 100 yuan, and the set meal my sister ordered was 28 yuan. The set meal I ordered is 24.50 yuan, which adds up to 52.50 yuan.
I gave the assistant uncle 100 yuan, and the assistant uncle gave me two 20 yuan, one 5 yuan, two 1 yuan and a 50-cent and a ***47.50 yuan.
Then we wolfed down at Dicos.
Diary of the first year of mathematics 5 20xx year x month x day sunny day
On Saturday morning, several students came to my house to play. My mother suggested, "Do you want to have a skipping competition today?"
We happily agreed to mom's proposal and the game began. Xiaohong jumped 30 times, Xiao Fang jumped 25 times and I jumped 27 times. My mother asked us how many times we danced.
I remembered the continuous addition that the math teacher taught us to calculate. The same numbers should be aligned, starting with one digit. The column formula is 30+25+27=82 (pieces). Mother smiled happily after listening to our answer.
At the beginning of math class, Teacher Zhou said that we were not proficient in formulas, and then gave us about 3 minutes to recite formulas at the same table.
I immediately carried my back to Zou Lele, my deskmate. I thought about the two formulas "5945" and "4936" for a long time, but I barely memorized them. There is also Zou Lele, who also has two sentences that are not very skilled.
After asking about everyone's recitation, Mr. Zhou selected a small representative from each group and held a group "password matching" contest. As a result, our fourth group won and everyone was very happy. Look! Some mouths bend like a crescent moon, but they can't help laughing, some jump up and some clap their hands! With teacher Zhou's "stop", the classroom suddenly became quiet.
Yesterday, my grandma and I went to the drugstore and bought two boxes of pills-Shu Ning, 52 yuan and 26 yuan. Grandma gave her 100 yuan, and the shop assistant gave her 48 yuan. After I found the change, I calculated it with decimal addition and subtraction.
Grandma can also pay like this:
1. Give it to 50 yuan, the shop assistant, and then give it to 10 yuan for 8 yuan.
2. If grandma has change, she can pay 50 yuan first and then 2 yuan; By buying medicine with grandma this time, I know that mathematics is closely related to our lives.
The first day of math diary 8, time will pass by, even if you read a word, it will take time, because time waits for no one.
On this day, I want to buy clothes, because clothes are on sale and my mother can't stop for a minute. Suddenly, my mother said, "Let me ask you a question. We have to leave at 2: 00 pm and arrive at the mall at 2: 40 pm. How long did it take? "
I think: 2: 00 pm can be regarded as 14: 00, then 2: 40 is 14: 40,14/4. So, I immediately replied "It took 40 minutes". Mom said, "Yes, it seems that math has improved a lot!" " "
"Mom, it's too late if you don't go!"
"ah! I almost forgot. "
Ha ha ha ha ha ha ha
My reply: It doesn't matter if you don't switch to 24-hour timing. Just use 2: 40 -2: 00 =40. What did you say?/Sorry?
Math diary is about to leave school in Grade One. The teacher assigned a special math homework-making learning tools, saying that it is ok to do it according to the requirements of the second question on page 36 of the textbook.
As soon as I got home, I began to do it; I took out my scissors and cut the cardboard into two disks, one large and one small.
Then determine the center of the circle, divide the circle into nine equal parts, and then write the nine numbers 1~9 on two circular surfaces respectively. Finally, find a toothpick to pass through the center of the circle and fix the two circles together. After I finished, I read the instructions in the book: turn around and say the product of the multiplication of two aligned numbers; Every time you turn a grid, you can calculate 9 numbers; I started playing at once, turned around and said I would count to nine. After another round, I can form nine different multiplication formulas. This learning tool is really a good helper for me to recite formulas!
Diary of the first year of mathematics 10 This afternoon, my mother went to a meeting. I stayed alone in my mother's office. I drew a picture on the computer and then went to lie on the sofa for a while. I feel very comfortable. My mother hasn't come back for a long time. My teeth are very uncomfortable when I eat. I touched them with my hand and my big teeth at the back moved. I lost eight teeth before, and this one lost nine. Mom said the front fell off and the back fell off. Eating these days is really hard, just like losing your teeth before. Mom said I lost my tooth because I grew up day by day. Yes, I have grown up. I am seven years old.
Diary of the first year of mathematics 1 1 Today, my mother gave me such a problem: there are 10 heads and 30 legs in a cage. How many chickens and rabbits are there in the cage? I think: rabbits have four legs and chickens have two legs. If there is 10 chicken with only 20 legs, I add 2 legs, and it is a rabbit. I will add 5 rabbits until I have 30 legs, so I know there are 5 rabbits and 5 chickens.
12 It's June Day. After I finished my homework, my parents took me shopping. We came to the children's clothing store and saw many beautiful children's clothes. I chose a pair of trousers from 58 yuan and a skirt from 65 yuan. Dad said I brought 100 yuan. Is it enough? 58+65= 123 yuan) I quickly told my father that 100 yuan was not enough, and then my mother asked me how much money I had to change. 123- 100=23 yuan), I told my mother that I was short of money from 23 yuan, and my aunt who sold goods praised me for studying well, which was sweeter than drinking honey!
Diary of the first year of mathematics 13 Today, grandma across the hall sent us beans and pickles. In the evening, when we were eating pickles, I remembered that Miss Gao asked us to write about math diary. I have a good idea: I eat some soybeans and some green beans. Isn't that a formula
I told my mother, and she said, "That's a good idea."
Then I started eating beans. I ate nine green beans first, and then 10 soybeans. Together, it becomes the formula of 9+ 10= 19. The result of this formula is still my student number! Miss Gao, this is my own diary.
Diary of the first year of mathematics 14 Today, Miss Gao asked us to have a class on the playground. The students were surprised because we didn't have math class on the playground before.
We can't wait to know what the teacher will explain. When I arrived at the playground, I realized that what the teacher wanted to explain to you was the knowledge of centimeters, meters and line segments. It was more convenient to measure on the playground. The teacher also showed it to us, and the students benefited a lot. Although it is cold and windy outside, we don't feel cold at all, because we have all learned new knowledge.
Diary of Grade One in Mathematics 15 Yesterday, my grandma and I went to the drugstore and bought two boxes of pills-two boxes of stomach Shu Ning, 52 yuan and a box of 26 yuan. Grandma gave her 100 yuan, and the shop assistant gave her 48 yuan. After I found the change, I calculated it with decimal addition and subtraction.
Grandma can also pay like this:
1. Give it to 50 yuan, the shop assistant, and then give it to 10 yuan for 8 yuan.
If grandma has change, she can pay 50 yuan first and then 2 yuan. By buying medicine with grandma this time, I know that mathematics is closely related to our lives.