1, you need to prepare cardboard or card paper, markers or markers, scissors and rulers.

2. Draw squares of appropriate size on the cardboard with a ruler and markers, and each square represents a space for oral calculation.

3. Fill in an oral calculation problem within 10 in each box, which can be addition, subtraction or mixed operation. Ensure that the difficulty of the topic is suitable for the level of the target learner.

4. Add some patterns, decorations or colors to the card with colored pens or markers to make the card more attractive and interesting.

5. Use scissors to cut out the card for calculating the problem at each crossing according to the edge of the square.

6. Put all the oral calculation cards in order and save them with rubber bands or card boxes for easy use at any time.