1.
What is always the final answer to this
Think of a Number
trick.Think of a number.Multiply by 2.Add 4 times the original number.Divide by 6.
A.
10
B.
the same number you started with
C.
1
D.
10 times the number you started with
Hint
2.
Rewrite the expression: 7 · (2
n
– 4)
A.
7 ·
n
– 28
B.
14 ·
n
– 28
C.
2 middot;
n
– 28
D.
14 ·
n
– 4
Hint
3.
Find the missing step in the explanation of a
Think of a Number
trick.
A.
5(
n
+ 6) = 5
n
+ 30
B.
5(
n
+ 6) = 5
n
+ 11
C.
5(
n
+ 6) = 5
n
– 11
D.
5(
n
+ 6) = 5
n
+ 6
Hint
4.
If
n
is some odd number, how would you write the next three consecutive odd numbers?
A.
n
+ 2,
n
+ 4,
n
+ 6
B.
n
– 1,
n
,
n
+ 1
C.
n
+ 1,
n
+ 3,
n
+ 5
D.
n
+ 1,
n
+ 2,
n
+ 3
Hint
5.
Find a rule involving the sum of three consecutive odd numbers.
A.
the sum of three consecutive odd numbers equals three times the first number
B.
the sum of three consecutive odd numbers equals two times the middle number
C.
the sum of three consecutive odd numbers equals three times the middle number
D.
the sum of three consecutive odd numbers equals two times the sum of the middle and third number
Hint