THE ADDITION AND SUBTRACTION TEACHING TOOLS FOR CHILDREN

摘要

The present invention transfers the problem number card with the number of the problem inserted between the lower cover and the upper cover and the operation sign card with the operation symbol of the addition and subtraction back and forth so that the infant can display the problem number and the operation code through the display window of the upper cover. By visually checking and selecting the answer card with the correct number, it is easy to learn addition and subtraction operations by attaching and detaching the answer card on the top cover, and it is easy for the infant to understand the number of addition and subtraction. The present invention relates to a children's learning method for addition and subtraction learning.;In the present invention, in the children's addition subtraction learning precinct, an addition subtraction plate 100 provided with an upper cover plate 120 so as to be rotatable so that the upper surface of the lower cover plate 110 is exposed to the outside on one side of the lower cover plate 110. ; A first problem number card 210 inserted into both sides between the lower cover plate 110 and the upper cover plate 120 of the addition subtraction plate 100 to display the number of the problem on one side and the other side of the upper cover plate 120; A problem number card 200 having a second problem number card 220; The first problem number card 210 and the second problem number card 220 of the problem number card 200 inserted into one side and the other side between the lower cover plate 110 and the upper cover plate 120 of the addition subtraction plate 100. An operation symbol card 300 inserted between the operation symbol cards for displaying the operation symbols of addition and subtraction; The answer card 400 is attached to one side of the upper cover plate 120 of the addition subtraction plate 100 by selecting the correct answer number calculated by the problem number card 200 and the operation symbol card 300 by displaying the number on the upper surface. The present invention consists of a number of problems inserted between the lower sign and the upper sign of the addition subtraction plate and the operation number card marked with the operation symbol of the addition and subtraction. By visually checking the number of problems and symbols and selecting the answer card with the correct number of numbers, it is easy to learn the operation of addition and subtraction by adding and subtracting on the upper cover. Understand and have the effect of effectively improving the computing power of addition and subtraction.;Addition, subtraction, teaching aids, addition subtraction board, card insertion groove, question number card, opcode card, answer card, attachment