Unit 1 Number Systems CFA Review

Front

What is the expression represented by the number line if it shows a movement from 2 to -3?

Back

2 + -5

Front

What are additive inverses?

Back

Numbers that add up to zero.

Front

Give an example of additive inverses.

Back

5 and -5.

Front

What is the result of adding a number and its additive inverse?

Back

0.

Front

If Jamal ran up 3 flights of stairs and then down 4 flights, what is his net movement?

Back

-1 flight.

Front

What does it mean for two numbers to be opposites?

Back

They are the same distance from zero on the number line but in opposite directions.

Front

What is the additive inverse of -7?

Back

7.

Front

If the temperature is 12° and drops 2°, what is the new temperature?

Back

10°.

Front

What is the sum of -3 and 3?

Back

0.

Front

If Sophia borrowed $10 and then paid it back, what is her net change in money?

Back

$0.