Is there a certificate for thousands of classes?

This class has a certificate.

According to official website, "Thousand Classes and Thousand Talents" is a classroom observation activity that leads the forefront of classroom teaching, and it is also the highest specification for going out to study. It was once known as the "Spring Festival Evening for Primary School Teachers in China", which lasted 18 years from germination to title. Classroom teaching observation and academic leadership lectures are held in famous cities every spring and autumn.

A math game suitable for primary school students?

Some mathematical problems

What questions should be done in the postgraduate entrance examination for mathematics in World War II?

What interesting stories do mathematicians have?

Decimal multiplication and division

What subjects do Shandong adult college entrance examination take?

I am a senior three, male. When my eyes are closed, my mind is full of some knowledge points and some math problems. I'm already sleepy, but I can't sleep like this. What should I do?

A certificate is a visible sense of honor and an invisible gain.

What are the characteristics of array operation and matrix operation in arithmetic operation?

Mathematical sequences are difficult.