In order to improve primary school students' oral arithmetic skills and basic operation ability, this set of oral arithmetic problem cards is specially compiled. This question card is closely related to the primary school mathematics textbook, and the types of questions are consistent with those appearing in the textbook.

Comprehensively and systematically optimize the design and arrangement of textbook knowledge, so that students can better consolidate and apply what they have learned in the stage; At the same time, it pays special attention to the improvement of students' mental calculation, clever calculation and quick calculation. ?

As long as primary school students practice once a day as required and insist on using this set of oral arithmetic problem cards, the operation speed and ability will be obviously improved. Together, "practice oral arithmetic every day and grow better", let's study easily and grow up happily together.