Integer & Rational Number Operations Review

Adding & Subtracting Integers

100

38 - 15

23

200

-37 + (-13) 

-50

300

32 - (-14) 

46

400

-501 + 76

-425

500

-16 + (-7)+ 15

-8

Adding & Subtracting Rational Numbers

100

-12.4 + 8.39

-4.01

200

Joaquin recorded a temperature of 62°F this morning for science class. The temperature increased 6 1/2 °F in the afternoon before decreasing 8.7°F in the evening. What was the evening temperature?

59.8 or 59 4/5

300

-3 1/3 + 2 1/2

-5/6

400

-23.01 - 8.2

-31.21

500

-5/6-(-0.8)

-1/30

Multiplying and Dividing

100

Multiply.

34 * 12

408

200

Simplify into a mixed number if necessary.

2.5(-18)

-45

300

Simplify your answer into a mixed number.

-5 2/3*(-1 1/2)

8 1/2

400

-74 divided by (-1/2)

148

500

Divide rational numbers (Simplify any FRACTION answers)

-9 9/10 ÷ (-2 3/4)

3 3/5

Order of Operations

100

(4 x 5)(8) - 5

155

200

(19.8 + 3.2)(-5.6 - 4.4)

-230

300

(2 x 3) - 3 + 6²

39

400

3 + [6(11+1-4)] - 8 x 2

35

500

2{8² - 7[32-4(3² + 1)](-1)}

16

Integer Applications

100

The weather report suggested that your city’s temperature increased from – 10 degrees to 25 degree. What is the rise in temperature?

35 degrees

200

Nathan ended round one of a quiz with 200 points. In round two, he scored -300 points  and in the third round, he gained 200 points. What was his total score at the end of the third round?

100 points

300

Change to an improper fraction

6 5/8

53/8

400

The lowest point in Denmark is 7 meters below sea level. The highest point is 173 meters above sea level. What is the range of elevations in Denmark?

Range = Maximum - Minimum

180 meters

500

In a game, Allison won 5 points, then lost 8 points, then lost another 7 points and finally won 15 points. How many points did she end up with?

5 points