TEKS 7.3b Review (Operations with rational numbers)

Front

Jose has $5.50 for lunch. He buys a cookie for $1.05 and a drink for $1.45. How much money does Jose have left?

Back

$3.00

Front

Devon ate 1/4 of the pizza. One friend ate 3/8 and the other ate 1/8. How much pizza is left?

Back

1/4

Front

Joe went scuba diving. He descended down to 5 feet below sea level, stopped, then went down another 20 feet. What is Joe's level?

Back

-25 feet

Front

Nik brought a bag of candy to school. He started with 50 pieces, but gave out 15 pieces to EACH of his TWO friends. His nice math teacher gave Nik 3 pieces of candy. How much does he have now?

Back

23 pieces

Front

Chris decided to do his history homework a little bit each night. On the first night he did 1/5 of the homework, the second night he completed 1/4 of the homework, and the third night he worked 1/2 of the homework. How much of the homework has Chris completed?

Back

19/20 or .95

Front

Aryon has $20. He buys 2 Cokes that each cost $1.50, a sandwich for $5.50, and a bag of chips for $2.25. How much money does he have left?

Back

$9.25

Front

Ms. Sublett learns how to fly a plane. She starts on the ground and ascends 500 feet, then descends 150 feet, then ascends 50 feet. How high up is Ms. Sublett's plane now?

Back

400 feet

Front

What is a good way to solve a math problem involving fractions?

Back

Convert the fractions to decimals by dividing numerator by the denominator and then solve

Front

Order the numbers 0.3, 1/4, and 20% from least to greatest.

Back

20%, 1/4, 0.3

Front

-4.5 is an example of what kind of number? Options: whole number, integer, rational number, irrational number

Back

rational number