Rational Numbers
Represent "a debt of $30"
A.) 30 B.) -30
B.) -30
Order the following integers from least to greatest. -52, -61, -79, -83
A.) -83, -79, -52, -61 B.) -83, -79, -61, -52
C.)-83, -61, -79, -52 D.) -79, -83, -61, -52
B.) -83, -79, -61, -52
Convert 3/4 to a decimal
A.) 0.6 B.) 0.75 C.) 0.1333 D.) 0.3
B.) 0.75
The prime factorization for 21
A.) 2 × 11 B.) 3 × 6 C.) 3 × 7 D.) 2 × 1
C.) 3 × 7
(-4) + (-3)
A.) -1 B.) 1 C.) -7 D.) 7
C.) -7
Represent "an elevation 70 feet above sea level"
A.) 70 B.) -70
A.) 70
Identify the missing symbol: 6/5 ____ 1 1/5
A.) < B.) > C.) =
C.)=
Eric has 100 marbles. Of these, 33% are blue in color. The number of blue marbles is
A.) 67 out of 100 marbles B.) 100 out of 33 marbles C.) 33 out of 100 marbles D.) 100 out of 43 marbles
C.) 33 out of 100 marbles
The prime factorization for 24
A.) 4 x 6 B.) 2 x 2 x 2 x 3
C.) 2 x 12 D.) 2 x 2 x 3 x 3
B.) 2 x 2 x 2 x 3
Convert 2/5 to a decimal.
A.) 0.2 B.) 0.25 C.) 0.4 D.) 0.5
C.) 0.4
The "opposite of 4" is
A.) 4 B.) -4 C.) 0 D.) 14
B.) -4
Identify the missing symbol: 0.2____ 3/10
A.) < B.) > C.)=
A.) <
Charles has raised 90% towards the cost of a trip to Africa. This amount represented as a fraction is
A.) 1/90 B.) 9/50 C.) 9/10 D.) 1/18
C.) 9/10
The prime factorization for 42
A.) 2 × 21 B.) 6 × 7
C.) 2 × 3 × 7 D.) 2 × 40
C.) 2 × 3 × 7
The prime factorization of 16
A.) 2 x 3 x 3 B.) 2 x 2 x 2 x 2
C.) 2 x 8 D.) 2 x 2 x 4
B.) 2 x 2 x 2 x 2
The "height of a basketball hoop" is represented as
A.) a positive number B.) a negative number C.) equal to zero
A.) a positive number
Order 4 1/4, 6.75, and 25/4 from least to greatest
A.) 4 1/4 < 6.75 < 25/4 B.)4 1/4 < 25/4 < 6.75
C.) 6.75 < 25/4 < 4 1/4 D.)25/4 < 4 1/4 < 6.75
B.)4 1/4 < 25/4 < 6.75
Convert 1/5 to a percent
A.) 50% B.) 5% C.) 20% D.) 25%
C.) 20%
The prime factorization for 500
A.) 2 x 2 x 2 x 5 B.) 2 x 2 x 5 x 5
C.) 2 x 2 x 5 x 5 x 5 D.) 2 x 5 x 5 x 5
C.) 2 x 2 x 5 x 5 x 5
A coat cost $100. It is on sale for 30% off.
The total cost of the coat
A.) $30 B.) $60 C.) $70 D.) $85
C.) $70
"Money owed to the bank" can be represented by
A.) a positive number B.) a negative number C.) equal to zero
B.) a negative number
Order 3 3/4, 4/8, and 2.25 from least to greatest
A.) 2.25 < 4/8 < 3 3/4 B.) 3 3/4 < 2.25 < 4/8
C.) 4/8 < 3 3/4 < 2.25 D.) 4/8 < 2.25 < 3 3/4
D.) 4/8 < 2.25 < 3 3/4
Kofi made a lasagna where he substituted tofu for 3/4 of the cheese. The percent that is equal to that fraction is
A.) 75% B.) 25% C.) 34% D.) 125%
A.) 75%
The prime factorization for 99
A.) 3 x 7 x 11 B.) 3 x 3 x 11
C.) 3 x 3 x 3 x 11 D.) 3 x 3 x 7 x 11
B.) 3 x 3 x 11
(-7) - (-3)
A.) -10 B.) 10 C.) -4 D.) 4
C.) -4