- Find the area of the square shown. 28. What property is illustrated by each statement?
a.
b.
- Perform each operation, if possible.
a. b.
c. d.
- Find the LCM of 15 and 18.
- Find the LCM of and 12.
- Find the GCF of 30 and 54.
- Find the GCF of and 36.
- STOCKING SHELVES Boxes of rice are being
stacked next to boxes of instant mashed potatoes on
the same bottom shelf in a supermarket display. The
boxes of rice are 8 inches tall and the boxes of instant
potatoes are 10 inches high.
a. What is the shortest height at which the two stacks
will be the same height?
b. How many boxes of rice and how many boxes of
potatoes will be used in each stack?
- Is 521,340 divisible by or 10?
- GRADES A student scored and 70 on
four exams and received 0 on one missed exam. Find
his mean (average) exam score.
Evaluate each expression.
37.
38.
39.
40.
33 2(1514)^2
33 9 1
20 2[4^2 2(6 22 )]
34 10 2(6)(4)
9 4 5
73, 52, 95,
2, 3, 4, 5, 6, 9,
24, 28,
8, 9,
8
0
8
8
0
15
15 0
23,999 1 1 23,999
18 (940)(189) 40
Chapter 1 Test 129
23 cm
23 cm
- a. Find the factors of 12.
b. Find the first six multiples of 4.
c. Write as a
multiplication.
- Find the prime factorization of 1,260.
- TEETH Children have one set of primary (baby)
teeth used in early development. These 20 teeth are
generally replaced by a second set of larger
permanent (adult) teeth. Determine the number of
adult teeth if there are 12 more of those than baby
teeth.
- TOSSING A COIN During World War II, John
Kerrich, a prisoner of war, tossed a coin 10,000 times
and wrote down the results. If he recorded
5,067 heads, how many tails occurred? (Source:
Figure This!)
- P.E. CLASSES In a physical education class, the
students stand in a rectangular formation of 8 rows
and 12 columns when the instructor takes attendance.
How many students are in the class?
- FLOOR SPACE The men’s, women’s, and children’s
departments in a clothing store occupy a total of
12,255 square feet. Find the square footage of each
department if they each occupy the same amount of
floor space.
- MILEAGE The fuel tank of a Hummer H3 holds
23 gallons of gasoline. How far can a Hummer travel
on one tank of gas if it gets 18 miles per gallon on the
highway?
- INHERITANCE A father willed his estate, valued at
$1,350,000, to his four adult children. Upon his death,
the children paid legal expenses of $26,000 and then
split the remainder of the inheritance equally among
themselves. How much did each one receive?
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