Vocabulary
Tape Diagram
Solve
100
Another word for the letters used in expressions and equations.
Variable
100
What is the value for x in Tape Diagram A?
What is the value for x in Tape Diagram B?
No calc.
a. x+3
b. x=6
100
15 + r- q
r=4
q=-12
31
200
This type of math problem has an equal sign.
Equation
200
Draw a tape diagram and solve:
Wendy went to the store. She bought 3 boxes of cereal each weighing the same. If she spent $12 in total, how much was each box of cereal?
No Calc.
x = 4
200
9(x+5)=
x=9
126
300
What type of math uses numbers and symbols to formulate expressions and equations?
Algebra
300
Draw a tape diagram and solve:
Charlie went on a hike. The total trail was 12 miles. He walked 4 miles then took a break. He then split up the rest of his hike into 2 parts.
x = 4
300
q - m-(q/2 +4q)
m=20
q=4
-34
400
The ________ is when you find what the missing variable equals.
Solution
400
Draw a tape diagram for this situation and solve
Mai is making cakes for her school’s bake sale. She used 17 cups of flour for her first batch of cookies. She then used the same amount of flour to make 4 small pans of brownies. She used 23 cups of flour in total.
x=1.5
400
y - x -(x - 3 + y)
x=-2
y=6
7
500
The number that doesn't change in an equation is ________
Constant Term
500
Write an equation for the tape diagrams and solve.
x = 22
x = 14
500
(m2 +2n -m -n)
m=8
n=12
68