Lecture video of integer addition and subtraction in first grade mathematics courseware

One-year mathematics courseware integer addition and subtraction integer lecture video One-year (4 class hours per week) Six-year primary school teaching content (1) Understanding of the sum calculation within (1) 20. Addition and subtraction. Count. The composition, order, size, pronunciation and writing of numbers. Addition and subtraction. Addition and subtraction and mixed problems of addition and subtraction. (2) Understanding the number within 100. Addition and subtraction. Count. Unit, ten. The order, size, pronunciation and writing of numbers. Two-digit addition and subtraction of ten digits and two-digit addition and subtraction of one digit. Addition and subtraction in two-step calculation. (2) Understanding the quantity and measuring the clock face (the hour). Understanding and simple calculation of RMB. (3) Preliminary knowledge of geometry: intuitive understanding of cuboids, cubes, cylinders and spheres. Intuitive understanding of rectangle, square, triangle and circle. (4) Application problems that are easy to add and subtract in one step. (5) The content of practical activities closely related to life. For example, according to the number of boys and girls in this class, the distribution of each group, what math problems come to mind. Teaching requirements 1. By counting the number of different objects, the number is gradually abstracted. Will distinguish between a few and a few. Master the composition of numbers within 10. Can write numbers correctly and neatly. ? 2. Know the counting units "one" and "ten", and preliminarily understand the significance of this number in the unit and the tenth place. Proficient in calculating numbers within 100, and able to read and write numbers within 100. Mastering the number within 100 is composed of ten and one. Master the numerical order within 100, and compare the numerical sizes within 100. 3. Know the meaning of addition and subtraction, the names of each part in the addition and subtraction formula, and the relationship between addition and subtraction. Skillfully calculate the addition and subtraction of one digit, the addition and subtraction of two digits and the addition and subtraction of two digits. Can calculate two steps of addition and subtraction. ? 4. Know the symbols "=", ">" and "

You choose my answer first in the first grade mathematics courseware of Beijing Normal University.

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The fifth grade mathematics courseware can be downloaded by grade by registering a number on the subject network.

Is there a complete seventh-grade math courseware? not have

Junior high school seventh grade mathematics courseware, just enter seventh grade mathematics in the search.

Mathematics courseware for the fifth grade of primary school: ffzz../jxzy/ShowSpecial.asp? SpecialID=24 1

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None of the eighth-grade mathematics courseware of Hunan Education Press is correct. What they said is not the Hunan Education Edition.

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These are all quite good. But you must register first. After registration, these questions and courseware are generally free. I believe there should be something you want.

The fifth grade (first semester) mathematics courseware: newkc. /mfq。

There are many websites, and there are many free downloads in the free zone. You can go and have a look. I often look inside.