Hi Ethan,
We did this timed practice in class but you can continue to practice it daily. You can set a timer for 2 minutes and try to complete all questions without errors.
Thanks,
Miss Katie.
数学思维启蒙
Hi Ethan,
We did this timed practice in class but you can continue to practice it daily. You can set a timer for 2 minutes and try to complete all questions without errors.
Thanks,
Miss Katie.