Primary School Math Exercise

this app provides an easy way to do math exercise for primary school students.
It includes:
a. it support English, Chinese and Dutch.
b. flexible way to adjust exercise difficulty for plus, minus, multiply and divide.
c. setting for total questions
d. Timer function
e. high-light the questions answered wrong.

It was tested by my primary school daughter. It is quite efficient. Her math was improved from middle level to the top level in her group.
It could be used to train your kids, children for a good basic math capability.