C2 MT1 EA1 Positive Ration Numbers and Adding and Subtracting Integers

In his three high jumps, Kevin jumped 43/4 feet, 45/6 feet, and 42/3 feet. Be sure to INCLUDE LABELS. Show your work to explain how you found the answer.

a. Find the mean of the heights. mean =

1b. Estimate how much higher than his best jump Kevin would have had to jump to tie the record. Show your work.

1c. In his three high jumps, Kevin jumped 43/4 feet, 4 5/6 feet, and 42/3 feet. How much higher than his best jump would Kevin have to jump to tie the record? Find the exact answer. Show your work.

1d. Consider only the fractional parts of the three mixed numbers that make up Kevin’s three heights. Write the fractions as decimals

and then determine if it is terminating or repeating

3/4 = , terminating or repeating .

5/6 = , terminating or repeating

2/3 = , terminating or repeating

Question 2. Elena completed the 100-meter run in 15.58 seconds. a. How much faster would she have had to run to tie the record?

Question 2b. If he could have run 400 meters at the same rate as she ran 100meters, would she have broken the record?

Find the difference between her time for 400 meters and the record time. INCLUDE the label.

Question 2c. The 400-meter run consists of four laps around a 100-meter track. What was the record holder’s average time per lap?

In the discus throw, Devan scored 7, Joel scored 15, and Greg scored the opposite of Devan.

a. By how much did Greg’s distance exceed Joel’s?

b. Leo’s score was 4 less than Greg’s. What was Leo’s score?

c. Order the scores from greatest to least.

-21 + 25 =

28 + (-24) + (-3) =

23-48 =

-4-(-8) =