Test 3
Math 221: Basic Concepts of Elementary Mathematics I
Name
Instructions: Check that your test consists of 25 problems. Put your name in the space provided above.
Answer each multiple choice question below. Each problem is worth 4 points with the sam
Math 221 (Section 3) Name
Optional Quiz (take-home)
due April 21, 2005
1. (2 points) Circle each set for which the number 3 is an element of that set. Note that it may be an element of more than one set. The set of rational numbers The set of irrational n
Math 221 (Section 3) Name
Quiz 9
April 7, 2005
No calculators are allowed for #1 or #2.
1. (2 points) Convert the following repeating decimal to a simplified fraction. 0.12 = 0.12121212 . . .
2 2. (3 points) Find the decimal representation for . If it is
Math 221 (Section 3) Name
Quiz 8
March 31, 2005
No calculators are allowed.
1. (2 points) Write the fraction
98 140
in simplied form.
2. (2 points) The pen pals for our class are children in 3rd, 4th, or 5th grade. If 1 of them are 3 in 5th grade and 2 of
Math 221 (Section 3) Name
Quiz 7
March 24, 2005
No calculators are allowed.
1. (6 points) Fill in the blanks with correct answers chosen from the set cfw_0, 1, 2, 3, 4, 5, 6, 7, 8. (a) 22 (mod 9)
(b) 81936
(mod 9)
(c) -16
(mod 9)
2. (2 points) Find four
Math 221 (Section 3) Name
Quiz 6
March 17, 2005
No calculators are allowed.
1. (4 points) Use any method to evaluate the following. (a) GCD(12, 30)
(b) LCM (12, 30)
(c) GCD(121500, 1148175)
Hint: 121500 = 22 35 53 and 1148175 = 38 52 7
(d) LCM (121500, 1
Math 221 (Section 3) Name
Quiz 5
March 3, 2005
No calculators are allowed.
1. (1 point each) Circle T for true or F for false for each of following statements. No explanation is necessary. (a) T or F 6|32
(b) T or F 90090090090090090090011100900009 is a
Math 221 (Section 3) Name
Quiz 4 (take-home)
due March 1, 2005
1. (2 points) Using the lattice multiplication algorithm, find the value of 324 57.
2. (3 points) Find whole number values for a and b so that 2500 3500 61000 = ab .
3. (3 points) Ron will lea
Math 221 (Section 3) Name
Quiz 2
February 1, 2005
1. (2 points) Rewrite the following using mathematical symbols. The set consisting of the elements a and b is not a subset of the set cfw_b, c, d.
2. (2 points) Let A = cfw_i + j | i cfw_1, 2, 3 and j cfw_
Test 1
Math 221: Basic Concepts of Elementary Mathematics I
Name
Instructions: Check that your test consists of 25 problems. Put your name in the space provided above.
Answer each multiple choice question below. Each problem is worth 4 points with the sam
Math 221 (Section 3) Name
Test 2
April 14, 2005
No calculators allowed!
1. (4 points) Find whole number values for a and b so that 3200 5200 15300 = ab .
2. (4 points) Evaluate the following product using base 5 as indicated. 32f ive 4f ive
3. (4 points)