STAAR Review

Integers and Rational Numbers

100

Put the following integers in order from least to greatest:   5     -2      0    8    -3

-3     -2     0    5   8

200

What can -8 be classified as on a venn diagram?  A whole number, integer, or rational number?

Integer and rational number.  It cannot be a whole number because it's not positive.

300

What is the absolute value of   -8   and why?

8, because -8 is 8 spaces from 0 on the number line.

400

What can -8 be classified as on a venn diagram?  A whole number, integer, or rational number?

-9 is an integer and a rational number only.  It cannot be a whole number because it isn't positive.

500

Arrange the following from least to greatest:    85%,  0.92,   -4.3,   3 2/5,   0,    -1.25

-4.3, -1.25, 0, 0.92, 85%, 3 2/5

Operations with Integers

100

(-6) + (-1) + 3  =

-4

200

-18 - (-12) = 

-6

300

9² - 6 (4 + 1) 

51

400

24 - 5² =

-1

500

-8(4 + (-2)) + 4³

48

Operations with Positive Rational Numbers

100

1/2  times  3/6

1/4

200

What is    2/5   divided by    3/8 ?

1   1/15

300

What is 12.8   divided by  0.16?

80

400

What happens to the value of your answer when    2/3 is multiplied by   9/7?   Does the value increase or decrease and why?

The answer will increase the value because the second factor  9/7  is greater than one.

500

1 3/4   divided by   3 7/8

14/31

Equations and Inequalities

100

What is the difference between an equation and an expression?

An equation has an equal sign, an expression does not.

200

Solve for x     124 - x = 162

38

300

Describe what the inequality   p + 7 is less than or equal to 15   looks like on a number line.   

Closed circle on 8, shading to the left of 8.

400

The volume of a rectangular sandbox is  272 inches cubed.  If the height of the sand box is 12 and the width is 14, which equation could be used to find the length?  

V = Bh   or V = lwh       272 = (12)(14)(L)

500

A trapezoid has two bases, 11.4  and 12.78.  The area of the trapezoid is 117.3.  What equation could be used to find the height of the trapezoid?

117.3 = (1/2)(11.4 + 12.78) (h)

Data

100

What is the range for the set of data:    8, 8, 12, 17, 6, 2, 4, 21, 16, 16, 22, 5, 6, 12

20

200

What is the mode for the set of data:    1 , 3, 4, 2, 5, 3, 4, 4, 6, 6, 3, 8, 4, 4, 7, 2, 1, 4, 5, 6, 4

4

300

What is the mean (average) for the data set?    3, 1, 4, 5, 6, 8, 1, 3, 5

4

400

What is the median for the set of data: 22, 24, 26, 18, 27, 30, 23, 22

23.5

500

What is the IQR for the following set of data:   18, 22, 22, 23, 24, 26, 27, 30

4.5