Dividing Fractions
2 divided by 1/4
8
Simplify the expression:
19 * 4
76
St. Ignatius has 10 classrooms with an average of s students in each class.
Write an expression for the number of students at St. Ignatius.
10s
Solve for u
u + 5 = 8
u = 3
What is this called?
( )
What are Parenthesis?
2/11 divided by 4
1/22
DOUBLE JEOPARDY
Simplify the expression:
3 * 2 + 23
29
Mia has $240 and buys 8 identical books, leaving $48. Write an equation for the cost of one book, b.
240 - 8b = 48
Solve for y
4y - 3 = 21
y = 6
What is this called?
x
What is an unknown or a variable?
3/7 divided by 2 1/3
1
Simplify the expression:
(1/2 + 2/3) * 4
4 2/3
Lena read 8 more books than Maya, who read 16 books. Nina read half as many books as Lena and then read 3 more books later. Write an expression for the total number of books Nina read.
1/2 (16+8)+3
DOUBLE JEOPARDY
Solve for p
2/3 p + 5 = 22
p = 25 1/2
What is this called?
x - 7 = 15
What is an equation?
4/11 divided by 3/17
2 2/33
Simplify the expression:
5 + w * (4 + 3)
5 + 7w
Noah ran 18 more miles than Owen. Ava ran three-fourths as many miles as Noah. Ava ran a total of 20 miles.
Write an equation for the number of miles, m, that Owen ran.
3/4 (18 + m) = 20
Solve for s
4/5 s + 2/9 = 12/3
s = 4 13/18
What is this called?
x - 7
What is an algebraic expression?
(5/6 divided by 7/9) divided by 5/7
1 1/2
Simplify the expression:
2/3 * 2/5 + (r * 3/5 - 2/3 * 1/10)
3/5 r + 1/5
A youth group is preparing care packages for a service project.
Each care package contains 15 basic items and 5 extra donated items. The group prepares 3 identical sets of these items. The items are shared equally among n volunteers. After dividing the items evenly, each volunteer receives 6 items.
Write an equation to solve for n, the number of volunteers.
1/n [(15 + 5) x 3] = 6
Solve for j
4[3 + 2(j + 7)] - 27 = 41
j = 0
What is this called?
15 - 7
What is a numerical expression?