Download Name Math 130A – Long Quiz

Name ______________________________ Math 130A – Long Quiz – Aug. 30, 2002
1.
Which of these sets is called the set of natural numbers ________________________
{ 1, 2, 3, … }
2.
{ 0, 1, 2, 3, … }
{ … -2, -1, 0, 1, 2, … }
What is the smallest number in the set of whole numbers ( smallest whole number ) ? _______
3. Use the correct symbol between the given numbers; < ,
a)
10 _____
0
b)
12
 , >
_______
12
4. Write the next place value; ones, tens, hundreds, thousands, __________________,
5. Write down the first two prime numbers. __________
6.
______________
Write the following numbers in words
a) 304  ______________________________________________
b) 3014  ______________________________________________________
7. Write down the number one million forty thousand one hundred three. ________________
8. Round each of the following numbers
a) 9512 to the nearest thousand  ___________ b) 1099 to the nearest hundred  __________
9. What is the result when 145 is added to 387 ? ___________
10. Find the value of c + 3098 when c = 8964. _______________
11. Which of these represents the commutative property of addition ___________________
3+4= 4+3
(3+4)+5=3+(4+5)
or 3 ( 4 + 5 ) = 3 ( 4) + 3 ( 5 )
12. Which one represents (from #11 above) the distributive property. _____________________
Answers:
LQZ 1
1. { 1, 2, 3, … } set of natural numbers
2. 0 is the smallest whole number
3. 10 > 0 and 12  12
4. ten-thousands
5. 2 and 3 are the first two prime numbers  2, 3, 5, 7, 11, 13, …
6. 304  three hundred four
3014  three thousand fourteen
7. 1,040,103
8. 10000
9. 532
10. 12062
b)
1100
11. 3 + 4 = 4 + 3 commutative law of addition
12. 3( 4 + 5) = 3(4) + 3(5) distributive law
LQZ 2
1. largest prime between 30 and 40  37
2. largest composite between 30 and 40 39
3. Prime factorization of 30 = 3  10 = 3  2  5
of 70 = 10  7 = 2  5  7
4. prime factorization of 36 in exponential form: 36 = 4  9 = 22  32
5. 4313  4 = 1 0 7 8 remainder 1 need 1079 boxes but only 1078 will be full
6. 4 ( 10 ) ( 120 ) = 4800 matches
7. omit: bad question
8. estimate the quotient of 3092  591  3000  600 = 5
9. 129 + x = 357  x = 228
x / 12 = 36  x = 12 (36) = 432
Name ___________________________ Math 130A – Long Quiz – September 6, 2002
1. Find the largest prime number between 30 and 40.  _____________
2. Find the largest composite number between 30 and 40 .  ____________
3. Find the prime factorization ( product of prime factors of )
a) 30 = _______________
b) 70 = _______________
4.
Find the prime factorization of 36 in exponential form.  ______________
5.
Four balls are to be placed in each small box. How many boxes will be needed to
place all of 4313 balls in boxes ?
_______________
How many full boxes are there ? _____________
6.
A store orders 4 packages of matches. Each package contains 10 small boxes all of which contain
120 matches. How many total matches have been ordered.
___________
7. An abundant number is a composite number whose proper divisors add up to a quantity that is larger
than the given number. What is the smallest abundant number between 5 and 10 ?
__________
8. Estimate the quotient of 3092  591  ____________
9. Find the solution of each of the following equations.
a)
129 + x = 357  x = ______
b)
x / 12 = 36
 x = __________