Download Unit 1 Quiz 1 (H)

Chicago High School for the Arts
Algebra 1 (Honors)
Name ______________________________________________________________ Date _____________________________
Unit 1, Quiz 1 – Integers and Whole Numbers
**Please remember to SHOW ALL WORK in order to receive full credit, and circle or box your final answer.
Focus
Standard
A.3.1
REVIEW
C.3.1
C.5.1
SECONDARY
Points
Description
Solve routine two-step or three-step arithmetic problems involving
concepts such as rate and proportion, tax added, percentage off, and
computing with a given average
Exhibit knowledge of elementary number concepts including…
primes and greatest common factor
Apply number properties involving prime factorization
C.5.2
Apply number properties involving even/odd numbers and
factors/multiples
C.5.3
Apply number properties involving positive/negative numbers
Percent
# Correct
# of Points
8
5
2
2
Grade
17
Solve routine two-step or three-step arithmetic problems… [A.3.1] _______________________________
**Please show EACH STEP in order to receive full credit!
1. Elliott writes a check for $15. He records the check in his register, which up to this time has
shown the correct balance. When figuring his new balance, he accidentally adds $15 instead
of subtracting. The balance in his check register now shows:
a.
b.
c.
d.
e.
$30 less than it should.
$15 less than it should.
the correct amount.
$15 more than it should.
$30 more than it should.
Simplify the following expressions using order of operations
2.
1
[17  (2 4  9) 2 ]
4
3.
(3) 
1
 (4) 2  5  1
2
Chicago High School for the Arts
Algebra 1 (Honors)
Exhibit knowledge of elementary number concepts including… primes and greatest common
factor [C.3.1] _________________________________________________________________________________________________
4.
(Primes) Set A is the set of all prime numbers. Set B is the set of all numbers that end in
the number 5. How many distinct numbers are common to both Set A and Set B?
a.
b.
c.
d.
e.
Zero
One
Two
Three
Four
5. (Primes) A prime number is a whole number greater than 1 that has only 1 and itself as
factors. All other whole numbers greater than 1 are considered composite. Which of the
following is true of the number 51?
a.
b.
c.
d.
e.
51 is prime because it has no factors other than 1 and 51.
51 is prime because it is an odd number.
51 is composite because it has 3 as a factor.
51 is composite because it has 13 as a factor.
It is not possible to tell whether 51 is prime or composite.
6. (Primes) What are the two greatest prime numbers less than 36?
7. (GCF) What is the greatest common factor of 10, 15 and 25?
8. (GCF) What is the greatest common factor of 24 and 32?
Apply number properties involving prime factorization [C.5.1] _____________________________________
9. If y = (3)(7)(15)(26), what is the greatest prime factor of y?
Chicago High School for the Arts
Algebra 1 (Honors)
Apply number properties involving even/odd numbers and factors/multiples [C.5.2] and
Apply number properties involving positive/negative numbers [C.5.3] ___________________________
10. The sum of a positive odd number and a positive even number will be:
a. A negative odd number
b. A negative even number
c. A positive odd number
d. A positive even number
e. There is not enough information provided to know the result
11. If a > 0 and b < 0 , then the product of a and b:
a. is always positive.
b. is always negative.
c. is always zero.
d. cannot be zero, but can be any other real number.
e. can be any real number
Almost done… Please go through the checklist below before submitting your exam.
 Take a deep breath.
 Retry and double check the problems that you had trouble with.
 Carefully check EVERY problem on your test. Try to show all your work. Keep an eye out for
careless mistakes.
 Reset and close your calculator.
 Raise your hand to let me know you are done!