Here are some resources and activities to help your child improve:

Building Reading Stamina:
https://mail.google.com/mail/u/0/?ui=2&ik=57cbda4056&view=att&th=15a287ef35b8124d&attid=0.2&disp=inline&safe=1&zw

How to read Non-Fiction texts:
https://mail.google.com/mail/u/0/?ui=2&ik=57cbda4056&view=att&th=15a287ef35b8124d&attid=0.4&disp=inline&safe=1&zw

Making inferences and Drawing conclusions:
https://mail.google.com/mail/u/0/?ui=2&ik=57cbda4056&view=att&th=15a287ef35b8124d&attid=0.6&disp=inline&safe=1&zw