10
分?jǐn)?shù):--/1 When 1.783 is rounded to the nearest whole number,the result is how much greater than when 1.783 is rounded to the nearest tenth?
11分?jǐn)?shù):--/1 Samantha is packing for a trip．Of the towels in the closet,6 are brown．She will randomly pick one of the towels to pack．If the probability is 2/5 that the towel she will pick is brown,how many towels are in the closet?
12Five different points A,B,C,D,and E lie on a line in that order．The length of AD is 4.5 and the length of BE is 3.5．If the length of CD is 2,what is one possible value for the length of BC?
13
分?jǐn)?shù):--/1 In the 30-day month of April,for every three days it rained,there were two days it did not rain．The number of days in April on which it rained was how much greater than the number of days on which it did not rain?
14
分?jǐn)?shù):--/1 Each term of a certain sequence is greater than the term before it．The difference between any two consecutive terms in the sequence is always the same number．If the third and sixth terms of the sequence are 17 and 77,respectively,what is the eighth term?
15
分?jǐn)?shù):--/1 |x-3|= 1/2
What is the least value of x that satisfies the equation above?
16
分?jǐn)?shù):--/1 A four-digit integer,WXYZ,in which W,X,F and Z each represent a different digit,is formed according to the following rules．
1．X=W+Y+Z
2．W=Y+1
3．Z=W-5
What is the four-digit integer?
17
分?jǐn)?shù):--/1
The flag shown above is made of overlapping equilateral triangles ADF and BCE．Because ribbon is to be sewn around the entire outer edge,it is necessary to know the perimeter of the flag．If CD,DE,and EF each have length 10 inches,what is the length,in inches,of the perimeter shown in bold?
22分?jǐn)?shù):--/1 In the xy-coordinate plane,what is the area of the square with opposite vertices at (-2,-2) and (2,2)
23
分?jǐn)?shù):--/1 The four children in the Speer family are Owen,Chadd,Steph,and Daria．Chadd is neither the youngest nor the oldest．Daria is one of the two older children.Steph is the youngest child.Owen is often taken care of by his older brother and sister .Who is the oldest child?
The average(arithmetic mean)of three positive numbers,x,y,and z,is 12．When the greatest of these numbers is subtracted from the sum of the other two,the result is 4．If x