Chaoniu.com Oral Calculation Table for Primary School Students

The official version of Chaoniu.com Oral Calculation Table for Primary School Students is a convenient and practical oral arithmetic question generation tool. Through the latest version of Chaoniu.com's oral arithmetic table for primary school students, users can set it according to their own needs and automatically generate oral arithmetic questions for primary school students. Chaoniu.com's oral arithmetic table for primary school students has built-in addition, subtraction, and many mixed operations. It also supports printing functions to facilitate parents or teachers to write questions.

Features of Chaoniu.com oral arithmetic software for primary school students

​​ 1. Green and installation-free, just click to use

2. The oral arithmetic problem generator for primary school students supports customizing the maximum number, minimum number, number of rows, number of factors, etc.

3. Supports 7 algorithm types including addition, subtraction, multiplication and division.

4. The oral arithmetic problem generator for primary school students can help primary school students gradually improve their written arithmetic, oral arithmetic and mental arithmetic abilities

Chaoniu.com oral arithmetic table for primary school students installation steps

​ 1. Download the official version installation package of Chaoniu.com Oral Calculation Table for Primary School Students in Huajun Software Park. After unzipping, double-click the exe program to enter the installation wizard and click Next

​​ 2. Select the program folder and click Next

​ ​ 3. Click to select the installation folder. Generally, it is installed on the C drive of the computer by default. It is recommended to install on the D drive. Click Next.

4. The software is being installed, please wait patiently.

5. Chaoniu.com Oral Calculator for Primary School Students is installed. Click Finish to exit the installation wizard.

How to use Chaoniu.com oral arithmetic table for primary school students

​ ​ 1. In a calculation without parentheses, if there are only additions, subtractions or only multiplications and divisions, the calculations must be made from left to right, for example, 10.8-4.5+0.32=6.3+0.32=6.62

​​ 2. In a calculation without parentheses, if there are both multiplication and division as well as addition and subtraction, the multiplication and division must be calculated first, and then the addition and subtraction, for example, 10.8-4.5×0.32=10.8-1.44=9.36

​​ 3. In a calculation with parentheses, calculate what is inside the small brackets first, and then what is inside the square brackets, for example (10.8-4.5)×0.32=6.3×0.32=2.016

4. Quick calculation of multiplication 1. Multiply two-digit numbers whose tens digit is 1

5. Multiply two-digit numbers whose ones digit is 1

6. Multiply two-digit numbers with the same tens and different ones

7. If the first digit is the same, the sum of the two mantissas is equal to 10 and multiplied by a two-digit number.

8. The first digits are the same, and the mantissa is multiplied by a two-digit number not equal to 10.

9. The multiplicands are the same from beginning to end, and the sum of the beginning and end of the multiplier is 10 when multiplied by two digits

10. The sum of the first and last numbers of the multiplicand is 10, and the multipliers are multiplied by two digits with the same first and last numbers.

11. The sum of the two first digits is 10, and the two digits with the same last digit are multiplied together.

Chaoniu.com oral arithmetic table for primary school students update log

​ ​ 1: Optimized performance

​ ​ 2: We are serious about solving bug problems