unwelcome or harmful matter. Questions to show understanding of a math concept.

Happening or being in the present time.

manufactured article or substance. Items that can be bought.

Piece of equipment used to do work. To shape, work on something, using a device.

Concerning or caused by structure.

Things you read (book, magazines and web pages). Text you are understanding or reading to others. To look at and comprehend the meaning of a text.

flowing naturally or supplied to building through pipes and taps. The act of moving your legs to move quickly. To move your legs faster than walking.

standard of comparison. Standard by which other similar things are judged. evaluate something by comparison with benchmark.

sentence worded or expressed so as to elicit information. To have or express concerns or uncertainty.

Being as one would expect; being usual or normal. naturally. person having innate talent.

very enthusiastic and eager. To make someone feel happy, interested or eager.

growing and becoming more mature or elaborate. To grow bigger, more complex, or more advanced.

the principal method of human communication, consisting of words used in a structured and conventional way and conveyed by speech, writing, or gesture.

To reply to a question someone asks.

Being sympathetic. When you get the meaning correctly; comprehension. To know the meaning of language, what someone says.