Subtraction transformation
Try to solve the addition problem by subtraction! For example, 9-7=2, then in turn, 7+2 equals 9!
Graphic adventure
Draw seven numbers and ask the children to add nine. Look! The child drew two, and it is easy to get 7+2=9!
Line counting detective
Starting from 7, jump two squares to the right. Wow! We reached 9, so 7+2=9!
Shushu amusement park
Count from 7 to 2, haha, count to 9! So 7+2=9.
Interesting study
These methods make children learn addition easily and happily, and discover the infinite charm of mathematics!