Download SIMON BARUCH MIDDLE SCHOOL 104

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Document related concepts
no text concepts found
Transcript
SIMON BARUCH MIDDLE SCHOOL 104
330 EAST 21ST STREET, NEW YORK, NY 10010
Ms Gaetani
Principal
TEL: 212-674-4545 / FAX: 212-477-2205
Mr. Daly
Ms Goldstein
Mr. Macri
Assistant Principal
Assistant Principal
Assistant Principal
GRADE 7
There is space provided for you to show your working for each question. Once
you have the correct answer, bubble in the appropriate spot on the scan card.
To gain full credit you MUST show working where appropriate.
Name:_______________________________________ Class: ___________________
1 Mr. McManus is researching four types of memory modules for his computer. The data are
shown in the table below.
Module
W
X
Y
Z
Amount of Memory
(in bytes)
3.64 x 108
1.28 x 109
2.56 x 109
5.12 x 108
Mr. McManus wants to buy the module with the most memory. Which module should he buy?
A Module W
B Module X
C Module Y
D Module Z
2 In the year 2000, approximately 169,000,000 personal computers were used in the United
States. What is this number expressed in scientific notation?
A 1.69 x 10-8
Grade 7 December 08
B 16.9 x 10-7
C 16.9 x 107
D 1.69 x 108
1
3 What is the greatest common factor of 42, 63 and 105?
A 3
B 7
4 Simplify the expression
A 6
C 14
D 21
C 14
D 16
4 + 23 - |-4|
B 8
5 The average distance from Pluto to the Sun is 3.65 x 109 miles. What is this number written in
standard form?
A 365,000,000
B 3,650,000,000
C 36,500,000,000
D 365,000,000,000
6 Between what two whole numbers is √125?
A 63 and 64
B 62 and 63
C 12 and 13
D 11 and 12
7 Ms Lopez has decided to become a painter. She charges $130 for paint supplies and $25 for
each hour, h, she works. Which expression represents the total amount Ms Lopez charges?
A (130 +25)h
Grade 7 December 08
B 130 + 25h
C 130h +25
D 103 + (25 + h)
2
8 What is the least common multiple of 9, 18and 21?
A 3
B 81
C 126
D 3402
9 Phillip writes the expression 27. Which of the following is another way to write the same
expression using repeated multiplication?
A 2x7
B 7 x7
C 2x2x2x2x2x2x2
D 7x7x7x7x7x7x7
10 Emily earned $25 babysitting on Friday. On Saturday she babysat for 4 hours at a rate of $5
per hour. On Sunday she went to the store and spent $18 on a CD. How much money did Emily
have left after buying the CD?
A $7
B $12
C $23
D $27
11 The temperature on a winter night in Kansas is -6o Celsius. The temperature decreases by 8o
Celsius. What is the new temperature, in degrees Celsius?
A -2oC
Grade 7 December 08
B 2oC
C -14oC
D 14oC
3
12 Cindy has four more then five times as many cousins as Kathy, k. Which expression
represents how many cousins Cindy has compared with Kathy?
A 4k + 5
B 5k – 4
C 5k + 4
D 5k(k + 4)
13 Stacy starts a savings account with $15. Each month she deposits $10 more into her account.
Stacy now has saved $75. Which equation can be used to determine how many months, m, Stacy
has deposited money into her saving account?
A 10m x 15 = 75
B 15m x 10 = 75
C 10m + 15 = 75
D 15m + 10 = 75
14 The circumference of the circle below is 25.12 centimeters.
Which is the best estimate for the length of the radius of the circle?
A 3centimeters
Grade 7 December 08
B 4centimeters
C 8 centimeters
D 16 centimeters
4
15 The expression below represents the total cost in dollars, including shipping, for a certain
number of music CDs, m.
8m + 5
Based on the expression above, what is the total cost for 4 music CDs?
A $13
B $17
C $32
D $37
16 The line graph below shows the growth of Terrell’s tomato plant for 10days.
How tall was the tomato plant on day 7?
A 3 centimeters
B 12.5 centimeters
C 17.5 centimeters
D 20 centimeters
17 Which algebraic expression represents “six less than half a number”?
1
1
1
1
A
x-6
B 6- x
C (x – 6)
D (6 - )x
2
2
2
2
Grade 7 December 08
5
18 What is the prime factorization of 144 written in exponential form?
A 2242
B 2332
C 2342
D 2432
19 Ms Wilson went swimming each day of her vacation. On Monday she swam for
3
of an
4
1
1
hours, on Wednesday she swam for of an hour, on
4
2
3
1
Thursday she swam for 1 of an hour and on Friday she swam for
of an hour. Which list
4
4
below shows the times in order from shortest to longest?
hour, on Tuesday she swam for 2
1 3 3 1 1
A 2 ,1 , , ,
4 4 4 2 4
B
3
1 1 3 1
, 2 , ,1 ,
4
4 2 4 4
C
1 1 3 3 1
, , ,1 ,2
4 2 4 4 4
D
1 1 1 3 3
, ,2 , ,1
4 2 4 4 4
20 Extreme View Helicopter Tours flew 34 times on Friday. They flew the same number of
times on Saturday as they did on Sunday. The total number of times they flew for the three days
was 118. How many times did Extreme Helicopter Tours fly on Saturday?
A 34
Grade 7 December 08
B 42
C 59
D 84
6
Answer Key
Question
1
2
3
Answer
3
4
4
4
2
5
6
2
4
7
8
9
10
11
12
13
14
15
16
17
18
2
3
3
4
3
3
3
2
4
3
1
4
19
20
3
2
Grade 7 December 08
Standard
N7 Compare numbers written in scientific notation
N5 Write numbers in scientific notation
N8 Find the common factors and greatest common factor of two or more
numbers
N11 Simplify expressions using order of operations. Note: Expressions may
include absolute value and/or integral exponents greater than 0
N6 Translate numbers from scientific notation into standard form
N18 Identify the two consecutive whole numbers between which the square
root of a non-perfect square whole number less than 225 lies
A1 Translate two-step verbal expressions into algebraic expressions
N9 Determine multiples and least common multiple of two or more numbers
N4 Develop the laws of exponents for multiplication and division
N12 Add, subtract, multiply and divide integers
N12 Add, subtract, multiply and divide integers
A1 Translate two-step verbal expressions into algebraic expressions
6.A3 Translate two-step verbal sentences into algebraic equations
G1 Calculate the radius or diameter, given the circumference or area of a circle
6.A2 Use substitution to evaluate algebraic expressions
S6 Read and interpret data represented graphically
A1 Translate two-step verbal expressions into algebraic expressions
N10 Determine the prime factorization of a given number and write in
exponential form
6N15 Order rational numbers (including positive and negative)
N12 Add, subtract, multiply and divide integers
7