A parent may need to help the child obtain supplies and do simple experiments at home. These may be reported on in school. Children are more interested in the world about them if they can contribute. Children learn best from active involvement with their learning. Reading a text or hearing a lecture is a part of learning, too, but not as effective at this age as the involvement process.
Spelling is another common homework assignment.
Five minutes of spelling each night can help a child master this skill. Help the child identify spelling words in conversations by making an effort to use them. Be sure to post the weekly successes on the refrigerator or bulletin board to show your interest and pride. Do not expect perfection. Expect a best effort.