Vocabulary
“Out of 100.” A fraction in which the denominator is 100.
Percent
List all factors of 12.
1, 2, 3, 4, 6, 12
Convert to a decimal:
1/4
0.25
Find the product in simplest form.
1/2xx3/4
3/8
Which number in the list is prime?
9, 13, 15, 21, 27
13
A number that is written with both a whole number and a fraction.
Mixed number
List the first five multiples of 8.
8, 16, 24, 32, 40
Convert to a percent:
3/10
30%
Find the product in simplest form.
5/9xx9/20
1/4
Convert to a percent: 0.2
20%
A number with exactly two factors: 1 and the number itself.
Prime number
Find the greatest common factor (GCF) of 9 and 15.
3
Convert to a fraction (in simplest form): 0.45
9/20
Find the sum in simplest form.
3/5+2/15
11/15
Mia cut 26 pink roses and 39 white roses from the bushes in her backyard. If she wants to make some identical flower arrangements with no flowers left over, what is the greatest number of arrangements Mia can make?
13 (with 2 pink and 3 white roses each)
A fraction in which the absolute value of the numerator is greater than the absolute value of the denominator.
Improper fraction
Find the least common multiple (LCM) of 8 and 12.
24
Convert to a decimal:
49/50
0.98
Find the quotient in simplest form.
1/3 -:4/5
5/12
Which number in the list is composite?
51, 53, 59, 61, 67
51
(17 x 3)
A whole number with factors other than itself and 1 (that is, a whole number that is not prime).
Composite number
what number has this prime factorization:
2^3xx3xx5
120
Convert to a decimal: 205%
2.05
Find the difference in simplest form.
11/12-2/3
1/4
Monterey sprinted 2/3 of a lap around the field, and then he took a break by walking 1/6 of a lap. How much farther did Monterey sprint than walk? (Answer must be in simplest form)
1/2 of a lap
A set of related addition-subtraction sentences or multiplication-division sentences.
Fact family
Find the prime factorization of 50, using exponents.
2xx5^2
Convert to a percent: 40.5
4,050%
Find the product in simplest form.
2 1/2xx3/4
15/8 or 1 7/8
Which value is greater?
6/5 or 1 1/4
1 1/4
All the factors of a number, except the number itself.
Proper factors
Find the greatest common factor (GCF) of 72 and 120.
24
Convert to a decimal:
6 2/5
6.4
Find the difference in simplest form.
3 2/3-2/9
31/9 or 3 4/9
Find the quotient in simplest form.
16 -:1 1/3
12
A comparison of two quantities expressed with a phrase such as ‘the ___ of 3 to 5' which means ‘3 for every 5.'
Ratio
Find the least common multiple (LCM) of 30 and 42.
210
Convert to a percent:
1 24/25
196%
Find the quotient in simplest form.
15 -:4 1/5
25/7 or 3 4/7
Which number in the list is a square number?
101, 111, 121, 131, 141, 151
121
(11 x 11)
A number that is a result of the product of a factor multiplied by itself.
Square number
Find the prime factorization of 8,000 using exponents.
2^6xx5^3
One sixth of the players on a football team play on special teams. What is the ratio of players who play on special teams to players who do not?
1 to 5
Find the difference in simplest form.
3 1/8 - 2 6/7
15/56
A train leaves the station on the Red Line every 9 minutes. A train leaves the same station on the Blue Line every 15 minutes. Both trains leave at exactly 2:30pm. What is the next time that both trains will leave the station at the same time?
3:15pm
(45 minutes later)
A factor by which you multiply a given number so that their product is 1.
Reciprocal
Find the greatest common factor (GCF) AND the least common multiple (LCM) of 96 and 288.
GCF = 96
LCM = 288
Four fifths of the students in a 6th grade class have siblings. If there are 35 students in the class, how many students do NOT have siblings?
7
Find the sum in simplest form.
11 1/8+15 2/5
1061/40 or 26 21/40
Order from least to greatest.
-1/4, 2/5, -4/5, 1/10, 1/2, -3/10
-4/5, -3/10, -1/4, 1/10, 2/5, 1/2