STAAR Review 2021: Operations of Rational Numbers

The table shows the distance that students on a track team walked during after-school practice.

What was the total distance, in miles, the students walked during after-school practice?

• 10 $\frac{7}{8}$ miles

• 11 $\frac{3}{20}$ miles

• 11 $\frac{1}{2}$ miles

• Not here

Eva, Josh and David gather and shell pecans for their mother. Eva gathers 2  $\frac{1}{2}$ pounds of pecans, Josh collects 3.25 pounds, and David harvests 4 $\frac{3}{8}$ pounds. If they place all the pecans in one basket and each shells the same amount of pecans, how many pounds would each person shell?

• 3 $\frac{1}{3}$ lb

• 3.375 lb

• 3 lb

• 3.0412 lb

The table shows the prices of some snack items at the snack stand. Max ordered a soda and two candy bars. He paid with a $10 bill. How much change should Max receive?

• $7.12

• $6.13

• $5.93

• $4.07

A submarine that is 225 feet below sea level descends 67 feet and then ascends 110 feet. What is the location of the submarine compared to sea level now?

• -268 feet

• 268 feet

• 182 feet

• -182 feet

The altitude of Death Valley, California, is 282 feet below sea level. A hot air balloon is launched from the bottom of Death Valley and rises at a rate of 10 feet per second. After 12 seconds, the balloon captain lowers the balloon 15 feet. What is the altitude of the hot air balloon after being lowered?

• 177 feet below sea level

• 105 feet above sea level

• 162 feet below sea level

• 387 feet above sea level

Mrs. Ming had $150.55 in her checking account. She wrote checks for the following amounts: $45.76, $35, and $79.82. What is the new balance in Mrs. Ming's checking account?

• -$8.03

• $10.03

• -$1.61

• Not here

Tony's balance in his bank account was -$125.67. He deposited two checks, each in the amount of $98.40. What is Tony's new bank account balance after the deposits?

• $27.27

• - $27.27

• $71.13

• - $71.13

Shane's rare book collection contains 40 books. He donates 15% of his books to the national library, sells $\frac{1}{4\ }$ of his books to a rare book dealer, and sells 4 books on Ebay. How many books remain in Shane's book collection?

• 20 books

• 24 books

• 31 books

• 33 books

Parker Middle School's choir needs to raise $480 for an upcoming trip they will take. At their first fundraising project, they raised 25% of the money. During their second fundraiser  $\frac{3}{8}$  of the money was raised. How much money does the choir still need to raise?

• $120

• $180

• $300

• $360

Mrs. Smith has a  $\frac{3}{4}$  - pound bag of sugar to use for 6 cakes. How much sugar (in lbs) is used for each cake?

•  $\frac{1}{24}$  lbs

• 4  $\frac{1}{2}$  lbs

• 8 lbs

•  $\frac{1}{8}$  lbs