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WorksheetsPR7.1.4 Relationships in Patterns
Total questions: 15
Worksheet time: 21mins
Evaluate the expression?
n=6
12 + 2n
There are n students in class. Write a relations for this statement:
the total number of pencils, if each student has 5 pencils.
5n
3n
5+n
3n+5
There are n students in class. Write a relations for this statement:
the total number of desks, if there are 4 more desks than students
n +2
n + 4
5+n
4n
There are n students in class. Write a relations for this statement:
the total number of stickers if each student gets 3 stickers and there are 10 stickers left over.
3n + 10
n + 3(10)
3n-10
3n
A pizza with cheese and tomato toppings costs $10. If each topping costs $3 more, write a relation for the cost of pizza with n toppings on top.
(a)
A pizza with cheese and tomato toppings costs $10. If each topping costs $3 more, which expression represents a pizza with 6 extra toppings?
3n+10
3(6)+10
3+n+10
3+6+10
10n+3
10(6)+3
On Tuesdays, the cost of the same pizza with cheese and tomato toppings is $8.00.
Write a relation for the cost of a pizza with χ toppings. Each extra topping is $3.00.
On Tuesdays, the cost of the same pizza with cheese and tomato toppings is $8.00.
Each extra topping is $3.00. What is the cost of a pizza with 5 extra toppings on Tuesday?
3n+8
3(5)+8
15+8
$23.00
3+n+8
3+5+8
$16.00
3(8)+5
24+8
$32.00
A variable is . . .
an awesome number
a number represented by a letter
an infinite number
a number multiplied by another number
Which are the variables?
Identify the constant in the expression
3x + 9
+9
Which is the best choice to describe this pattern rule:
38
32
26
20
14
8
Add 6 each time
Subtract 2 each time
Subtract 6 each time
Add 2 each time
What is the process happening in this input/output machine?
multiply by 5
add 5
divide by 3
add 3
How well did you understand this lesson and the concepts covered?
