1. First, write down the title text of "the fourth grade mathematics tabloid" in the middle of the top of the handwritten newspaper screen, and draw books, numbers and other patterns on the left side of the handwritten newspaper screen.

2. Then draw an irregular rectangular border on the right side of the handwritten newspaper screen, draw an object pattern at the bottom of the handwritten newspaper screen, and draw an irregular border line with wavy lines on the right side of the handwritten newspaper screen.

3. Draw a rectangular border line on the handwritten newspaper screen to decorate the overall effect of the handwritten newspaper screen.

4. After the line draft is finished, you can color it. The title text at the top of the handwritten newspaper screen is painted blue and white, and the graphics and numbers in the lower left corner are painted in different colors.

5. Next, color the background of the handwritten newspaper picture blue, color the border line on the left side of the handwritten newspaper picture blue, and color the irregular rectangular border line on the right side of the handwritten newspaper picture green.

The cycle is introduced as follows:

Cycle is a Chinese vocabulary, pronounced zh?u qī: and it comes from Jing Zhai Gu Jin Qu. If a group of events or phenomena appear repeatedly in the same order, the time or space interval to complete this group of events or phenomena is called cycle. In the process of movement change, some features appear repeatedly, and the time required for two consecutive appearances is called "cycle".

The life cycle is described as follows:

Life cycle can be divided into broad sense and narrow sense. Narrow sense is a life science term, which refers to the whole life process of all animals, including humans, from birth to death. Life cycle in a broad sense refers to the periodic changes and laws of various objective things in nature and human society, such as family life cycle and product life cycle. The original meaning is a narrow life cycle, which refers to the life cycle of human beings.

The development of life cycle is introduced as follows:

Humans will go through five life stages: birth, development, maturity, aging and death. According to physiological, social and psychological characteristics, human life cycle can be divided into the following stages: prenatal, infancy and toddler, preschool, middle childhood, adolescence, early adulthood, middle adulthood and late adulthood.