Download Name: Benchmark #1 Date

Math 7
Common Assessment # 1
Name: _____________________
Date: ______________
1. The temperature of the sun at its core is approxiamately 27 million degrees
Fahrenheit. What is 27 million written in scientific notation?
A.
B.
C.
D.
2.7 x 106
2.7 x 107
27 x 106
27 x 107
2. In what year did the company sell the most computers?
A.
B.
C.
D.
2002
2003
2004
2005
3. Simplify the expression below:
7  32  4
A.
B.
C.
D.
2
3
5
6
4. At noon on Monday in Minneapolis, the temperature, in degrees Fahrenheit (F),
was –4ºF. At noon on Tuesday, the temperature was 6 degrees higher. What
was the temperature at noon on Tuesday?
A.
2ºF
B. –2ºF
C. 10ºF
D. –10ºF
5. Gary and Thomas are playing a game with number cards. At the end of the
game, Thomas still has 5 cards. If the value of each card is –50 points, how
many points does Thomas have?
A. –250
B.
–10
C.
10
D. 250
6. If K = 31 and M = 26 , which graph most closely represents the locations
of K and M on a number line?
7. Which list of numbers below is a set of irrational numbers only?
8. Simplify the expression (-4)(3)(-1)(-2).
A. 4
B. -4
C. 24
D. -24
9. What is the least common multiple (LCM) of 8, 12, and 18?
A.
B.
C.
D.
24
36
48
72
10. Simplify the expression below:
5  3  2  42   2
A. 43
B. 48
C. -16
D. -21
11. The temperature on a winter night in Kansas is – 6° Celsius. The temperature
decreases by 8° Celsius. What is the new temperature, in degrees Celsius?
A. –2°C
B.
2°C
C. –14۫۫°C
D. 14°C
12. What is the greatest common factor (GCF) of 42, 63, and 105?
A. 3
B. 7
C. 14
D. 21
13. Between what two whole numbers is
A.
B.
C.
D.
63 and 64
62 and 63
12 and 13
11 and 12
125 ?
14. 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.
B.
C.
D.
$ 7
$ 12
$ 23
$ 27
15. What is the least common multiple of 3, 6, and 27?
A. 3
B. 18
C. 27
D. 54
16. Write the prime factorization of 84 in exponential form.
Show your work.
Answer _________________________
17. Simplify the expression below.
2 (2³ - 2²)
Show your work.
18. The temperature in St. Cloud, Minnesota, was –4ºF (Fahrenheit) on January 27
and 13ºF on January 28.
Part A
On the number line below, plot the temperatures for January 27 and January 28.
Be sure to label both points with the appropriate date.
Part B
How many degrees warmer was it on January 28 than on January 27?
Show your work.
Answer ___________________________ ºF
19. The chart below displays the daytime high and the nighttime low temperatures
for one Friday in Anchorage, Alaska.
Friday Day time High
Friday Night time Low
–7°F
–16°F
Part A
How many degrees did the temperature drop from the daytime high to the
night time low ?
Answer _______________degrees
Part B
The warmest recorded temperature in Anchorage is 96 degrees higher than the
Friday night time low temperature. What is the highest recorded temperature
for Anchorage, Alaska?
Show your work.
Answer _____________________ °F