Adding and Subtracting Rational Number Word Problems

Mr. Smith has -$275.78 as his account balance. He deposits $539.20 into his account. What is Mr. Smith's account balance now?

• $813.98

• $263.42

• $539.78

• $345.98

Devon had his two friends over for pizza. Devon ate 1/4 of the pizza. One of his friends ate 3/8 of the pizza and the other friend ate 1/8 of the pizza. How much of the pizza is left?

• 1/4

• 1/8

• 1/3

• 1/5

Kyle owed his sister $12.45 that he borrowed to go see a movie. He earned $7.50 mowing the neighbor's lawn. How much does Kyle still owe his sister?

• He owes her $19.95.

• He owes her $4.95.

• He owes her nothing.

• He owes her $12.45.

Which real world context could be represented by -2 + 1 + 3?

• A baby's weight decreased by two pounds, increased by one pound, and then increased by three pounds.

• A share of stock decreased by two points, decreased by one point, then increased by three points.

• The temperature increased by two degrees, increased by one degree, and then increased by three degrees.

• A bank statement shows a withdrawal of two dollars, a withdrawal of one dollar, and a deposit of three dollars.

A scuba diver is taking pictures of fish in the Atlantic Ocean. Starting at sea level, he dives 23.25 feet into the ocean and takes a set of pictures. He then rises 12.5 feet to take a second set of pictures. Finally, he dives 15 feet deeper to take his final set of pictures. What rational number represents his depth when he takes the last set of pictures?

• +241.68
• +59.02
• -59.02
• -241.68

What is the sum of 4 3/10 and (-6.2)? Express your answer as a decimal.

Mathematical Equivalence

ON

After a pizza party there are 4 2/3 pizzas left over. If the pizzas are divided so that party goers can take home 1/6 of a pizza, how many guests can take home pizza?

• 26 guests

• 28 guests

• 8 guests

• 33 guests

When adding or subtracting fractions, I must always have a (a)   . I then add or subtract the ​ (b)   and keep ​ (c)   the same.

• Common Denominator

• Numerators

• Denominator

• Common Numerators

• Divisor

• Dividend

Sammy has 2 ²/₃ Hershey bars to share with 4 of her friends.  How much of a Hershey bar will each of her 4 friends receive?

• ¹/₃ Hershey bar each

• ⁵/₃ Hershey bar each

• ²/₃ Hershey bar each

• 1 ³/₄ Hershey bar each