Fractions & Percents
Reduce this fraction to it's lowest terms:
25/60
5/12
Evaluate the expressions for a = 7 and b = 13.
a + b = k
b - a = j
k = 20 and j = 6.
Name the rule and find the next three numbers in this sequence:
1, 3, 7, 13, . . .
Rule: adding even numbers (+2, +4, +6, +8, +10, +12)
21, 31 and 43.
List the factors of 18.
1, 2, 3, 6, 9 and 18.
Use any number to illustrate the Identity Property of Multiplication.
Evaluate 3/5 x 2/7
(three fifths times two sevenths)
6/35
Evaluate:
6m=576
m = 96
Write and solve an equation using the word problem below:
Students are seated in 25 rows in the auditorium. There are 13 students in each row. How many students are seated altogether?
25 * 13 = x
x = 325 students
List the factors for 54.
1, 2, 3, 6, 9, 18, 27, and 54.
Use the numbers 5 and 3 to illustrate the Commutative Property of Addition.
5 + 3 = 3 + 5
Eight dimes is...
a. what fraction of a dollar?
b. what percent of a dollar?
a. 4/5 of a dollar
b. 80% of a dollar
Evaluate the expressions for a = 5 and b = 25.
ab = p
b/a = q
p = 125 and q = 5
Subtract fifty-two million from two hundred million, and use words to write the difference.
One hundred forty-eight million (148,000,000)
Which numbers are factors of both 21 and 42?
1, 3, 7, and 21
Use the numbers 7 and 22 to illustrate the Commutative Property of Multiplication, then solve.
7 x 22 = 22 x 7
Form three equivalent fractions for 3/4 by multiplying by 5/5, 7/7, and 3/3.
What property of multiplication do we use to find equivalent fractions?
15/20, 21/28, and 9/12
Identity Property of Multiplication
Evaluate:
x/4=161
x=644
Create your own line, ray and segment. Then use letters and symbols to name each of them.
See student work.
What is the greatest common factor (GCF) of 32 and 48?
Use the numbers 2, 4 and 6 to illustrate the Associative Property of Multiplication.
(2 x 4) x 6 = 2 x (4 x 6)
Find a fraction equivalent to 2/3 that has a denominator of 12. Subtract 2/12 from the fraction you found and reduce the answer.
8/12 - 2/12 = 6/12 = 1/2
Evaluate each expression for x=18 and y=6
x - y = a
x + y = b
xy = c
x/y = d
a = 12
b = 24
c = 108
d = 3
Arrange these numbers from least to greatest:
0, -3, 1/2, -5, 1, 2.5
Which of these numbers are not an integer?
-5, -3, 0, 1/2, 1, 2.5
NOT an integer: 1/2 & 2.5
List all of the numbers from 1 to 10 that are factors of the number 73,500.
(Hint: Tests for Divisibility)
1, 2, 3, 4, 5, 6, 7, 10
Use any number to show the Inverse Property of Multiplication.
(a/b) x (b/a) = 1