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Integers
Applying Operations: Integers
Rational Numbers
Rational Numbers: Operations
Applying Operations: Rational Numbers
100

Simplify 42 + (-23).

19

100

Find (-12)(13) - (-33).

-123

100
Which of the following is NOT a rational number?


a) 4/7   b) 1.25   c) 3.12159265...   d) 13/3

c) Pi is an irrational number.

100

Find -2.59 + (−13/5) + (17.1).

10.91

100

Evaluate a/b - c + d if a=-1.2, b=-1/9, c=8.4, and d=-9.6.

-7.2

200

Find -232 - (-135)

-97

200

Evaluate a2(bc) + (c), if a=-2, b = 4, c=-3, and d=70.

-51

200

Write -4/11 as a decimal.

0.3636...

200

Evaluate abc if a=-9.2, b= 1/2, and c=2.3.

-10.58

200

Evaluate xy/z if x=0.2, y = -1/3, and z=-0.95.

4/57

300

Evaluate y/x if x is -12 and y is 144.

-12

300

Evaluate (e/f)/g * h if e=9, f=-3, g=-1, and h=73.

219

300

Write 2.888... as a fraction.

2 8/9 or 26/9

300

Quentin earned $45.75 from washing cars and $21.13 from watching his neighbors' fish over the course of a week. At the end of the week, Quentin has spent it all and has $0. Write how much Quentin spent as an integer.

-$66.83

300

Evaluate 5.3(xy) - x/4 if x=1.2 and y=-1/3.

-5 3/5

400

Evaluate abc if a=-20, b=-84, and c=13.

21,840

400
Justine earns $500 in Jeopardy for each question for the first 3 questions. She then nails a true Daily Double jeopardy question and doubles her winnings. The next category is a little too hard, so she loses $300. How much does Justine have so far in Jeopardy?

$2700

400

Write -0.123123123... as a fraction.

41/333

400

Mary is crocheting for a craft show. She began with 127 scanes of yarn. She used 2.34 scanes for granny squares. Her mom gave her 2 1/5 scanes as a present. Mary then used 46 1/8 scanes for sweaters and 38 1/4 scanes for scarves. How many scanes of yarn does Mary have left?

42.485 scanes

400

Jace is building a rectangular garden with a length of 12 2/3 feet and a width of 19.2 feet. Soil is sold in bags that cover 2.5 square feet. How many bags does Jace need?

98 bags

500

Celine bought some stocks in January, but they are not doing so well now that it is March. Each day, she loses $200. How much will she have, as an integer, after the month of March?

-$6,200

500

The expression 5(F-32)/9 shows how to convert Fahrenheit to Celsius. Chicago has a low extreme of -27F and a high extreme of 104F. What is the difference between temperature extremes in Celsius?

72 7/9 or 72.7 repeating

-32 7/9 --> 40

500

Sally sells seashells by the seashore for $2.82 each. Sandra sells seashells by the seashore for $2 7/21. Who has the cheaper seashells? How much cheaper?

Sandra ($2 7/21 --> $2.809523 --> $2.81)

1 cent

500

A zoo lets people feed their goats. The zoo starts with 323.85 pounds of food. After one week, the zoo loses 167 1/4 pounds of food. After the second week, the zoo loses another 193.84 pounds of food. After the third week, the zoo gains 333 7/8 pounds of food. How many pounds of food does the zoo have after 3 weeks?

296.635 pounds

500

Tristan is building a fence around his home. The length of his plot of land is 275.5 feet and the width is 453 1/7 feet. Fencing is sold in 2 1/3-foot sections and costs $2.75 per section. Roughly how much will it cost Tristan to put a fence around his entire home?

$1,717.52