Topic 1 : Variables and Expressions
What is a numerical expression that represents " 6 less than 92"
92 - 6
Evaluate the expression
(1*3) + (0+8) + (0*5)
11
Evaluate
x + 17 = 39
22
Graph the following
x: 1, 2, 3, 4, 5
y: 4, 5, 6, 7, 8
(check white board)
1/2 x 6 1/5
3 1/10
What is the Positivity Project character trait of the week?
Gratitude
Decide whether or not these expressions are equivalent (show your work)
6 + 3 x 12 and 52 + 5
NO
In the first 6 hours it is open, a baker sells 25 cakes. the baker expects to sell n more cakes before the end of the day. Write two expressions that model the number of cakes sold that day.
25 + n and n + 25
Double the points if you can tell me the property in 5, 4, 3, 2, 1.
c - d + 6 is an ________ ________
algebraic expression
I'm going to show you a graph. You need to tell me which ordered pairs actually appears on the line. But first, write down this answer options...
(3,5) (3,7) (5,3) (1,5)
(jeopardy graph)
(3,7) and (1,5)
A carpenter has a board that is 4/5 wide. He cuts the board into 5 pieces. If all the pieces are the same width, how wide is each piece?
4/25
What time do you go to PE with Coach Robertson today?
1:10
You worked on a school project every day for 7 days. Each day, you worked for 2 hours in the morning and 4 hours in the afternoon. Choose the correct expression to represent the total number of hours worked and then solve.
(7+2) x 4 2 x 4 + 7 7 x (2+4) 2 + (7x4)
7 x (2+4) = 42
Write an equivalent expression using the associative property.
(3 + 4) + 6
3 + (4 + 6)
You have a deck of trading cards. You give your friend 21 cards and have 2 left for yourself. First, write an algebraic EQUATION to represent this situation. Then solve for the number of cards in the deck.
t - 21 = 2
23
Make a table: two columns, five rows...
x: 4, 5, 7, 8
y: 12, 15, 21, 24
What is the relationship represented by this table?
3x=y
Double points if you can tell me which represents my favorite multiplication fact in ...5, 4, 3, 2, 1
A gardening store wants to buy supplies that cost $1,500. The store can afford 4/5 of the total cost. How much can the store afford?
$1,200
How many students are on Mr. Kelzer's roster?
26
The length of a rectangle is 6 times its width. If z represents the width of the rectangle, write (the BEST) algebraic expression the describes the length.
6z
y(6 + 7)
6y + 7y
Solve and graph the inequality
4x > 20
x > 5
show graph here:
I'm going to show you a graph, you will use it to complete this table...
x: 1, 3, 4, 6, 8
y: _, _, _, _, _
(jeopardy topic 4 400)
y: 8, 10, 11, 13, 15
Double points if you can tell me the equation that represents this table in...5, 4, 3, 2, 1
You have a 3/4 quart bottle of orange juice. How many 3/16 quart pitchers can you fill?
You can fill 4 pitchers with orange juice.
What is Sally Jackson's job?
She works at a candy shop/store.
Solve for b=9 and c=2
3b2 + c3
251
What is the LCM of 21 and 6?
42
The fundraising group collected the quarters from the school's wishing well. The group arranged the quarters into 6 piles of 60 quarters. Let q be the number of quarters in the well. Solve the equation q÷6=60 to find the number of quarters in the well. How much money, in dollars, did the group collect?
360 quarters = $90
An athlete plans to exercise for 90 minutes. She will lift weights and swim. Write three algebraic equations to represent this situation. (think fact families)
variables will vary
x + y = 90
90 - x = y
90 - y = x
The weight of water is 62 1/2 lbs per cubic foot. Water that weighs 100 lbs will fill how many cubic feet?
1 3/5
What is the nature name of the cook at Camp Green Meadows?
Reef