Adding Rational Numbers 1. Given the number line and the expression shown below, highlight the expression that represents

the number line.

A. –5 – 2

B. –5 + (–7)

C. –5 + 2

D. 7 – 5

2. Write the expression below using addition, solve the addition expression using the number line -2/3

– (-1/2), and write the addition expression as an addition equation after you solved the addition

expression.

Addition Expression:

Number Line:

Addition Equation:

Please continue to the next page

3. From the expressions below, highlight the one that results in a negative difference.

a. -3 - (-4 and

b. -1 and 2/3 - (-1 and

c. 25.68 – 35

4. Highlight each statement that is equivalent to this addition expression: 10 + (−2 and 1/2).

a. The temperature is 10 degrees and it falls by 2.5 degrees.

b. You buy one item for $10 and buy another item for $2.50.

c. Your elevation is 2.5 meters above sea level. As you hike further, your elevation decreases 10

meters.

d. The temperature is –2.5 degrees and it increases by 10 degrees.

e. Your friend gives you $10 at lunch and then gives you $2.50 after school.

f. Your elevation is 2.5 meters below sea level. As you hike further, your elevation increases 10 meters