1, determine the theme and content: determine the theme. Decimal is a mathematical concept, so the theme can be defined as "the story of decimal". Determine the content, the content of handwritten newspaper can include the origin of decimal point, the origin of decimal point, the application of decimal point in life and so on. Design layout and title: design layout, which divides handwritten newspaper into several parts, each part contains a theme or content.
2. Drawing graphics and illustrations: Drawing graphics, and drawing corresponding graphics in each part, such as decimal point graphics and digital graphics. Add illustrations, add illustrations related to the theme in each part, such as the origin of decimal point and the application scene of decimal point in life. Writing: Write down the corresponding words in each section.
3. Perfect details and decorations: Perfect details and check details in handwritten newspapers, such as spelling of words and drawing of graphics. Decorate the handwritten newspaper, adding decorations, such as lace and patterns, to the edge or blank of the handwritten newspaper. Complete the handwritten newspaper: after completing the handwritten newspaper, carefully check each part to ensure that there are no omissions or errors. Then show the handwritten newspaper and share stories about decimals.
Information about decimals
Definition of 1. Decimal: Decimal is a decimal number, which consists of an integer part and a decimal part. The decimal part usually consists of digits after the decimal point. For example, 1.23 is a decimal, where 1 is an integer part and 23 is a decimal part. Representation of decimals: Decimals can be expressed in decimal form, and decimal points are usually used to separate integer parts from decimal parts.
2. Classification of decimals: According to the digits after the decimal point, decimals can be divided into finite decimals, infinite decimals and cyclic decimals. The number of digits after the decimal point of a finite decimal is limited, such as1.23; The number of digits after the decimal point of an infinite decimal is infinite, for example,1.2345; The number after the decimal point of the circular decimal will appear repeatedly, for example, 1.333.
3. Application of decimals in daily life: Decimals are widely used in daily life, such as shopping, calculating interest and measuring. For example, when shopping, the price of goods is usually expressed in decimals; When calculating interest, you need to multiply the principal and interest rate to get the decimal representation of interest; When measuring, length, weight, etc. It also needs to be expressed in decimal.