1.
What is always the final answer to this
Think of a Number
trick.Think of a number.Divide by 2.Add 1.Multiply by 4.Subtract your original number.Subtract 3.
A.
the same number you started with
B.
1 more than the number you started with
C.
1
D.
11
Hint
2.
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.
the same number you started with
B.
10 times the number you started with
C.
1
D.
10
Hint
3.
Rewrite the expression: 7 · (2
n
– 4)
A.
14 ·
n
– 28
B.
7 ·
n
– 28
C.
14 ·
n
– 4
D.
2 middot;
n
– 28
Hint
4.
Find the missing step in the explanation of a
Think of a Number
trick.
A.
5(
n
+ 6) = 5
n
– 11
B.
5(
n
+ 6) = 5
n
+ 6
C.
5(
n
+ 6) = 5
n
+ 11
D.
5(
n
+ 6) = 5
n
+ 30
Hint
5.
Find the sum of three consecutive numbers:
n
, the number that comes right before
n
, and the number that is 2 before
n
.
A.
3
n
+ 3
B.
3
n
C.
3(
n
– 1)
D.
3
n
+ 1
Hint