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# Merlins Cave Problem

Watch first

Here are objects that are found inside Merlin’s cave. Be safe as you move around inside the 360 VR tour. Go below to fix Number One’s mistake.

# A

If the answer is  “A  find the number on or around this object.

# B

If the answer is  “B  find the number on or around this object.

# C

If the answer is  “C  find the number on or around this object.

# D

If the answer is  “D  find the number on or around this object.

Start!

Question #1

“Subtract y from 7” can be written correctly using only numbers and letters as which of the following.

A)  7 + y                   B) y + 7

C)  7 – y                    D) y – 7

A)   Telescope

B)   Star Rock

C)   Dragon

D)   Fire Vase

Question #2

“Subtract y from 8” can be written correctly using only numbers and letters as which of the following.

A)  y + 8                   B)  8 – y

C)  8 + y                   D)  y – 8

A)   Large Vase

B)   Mini Table

C)   Metal Shape

D)   Globe

Type the numbers from the objects to get your first clue. Write the clues down as you will need all of them to unlock the master lock.

Clue Box

Question #3

What is another way to write 6 times the variable b?

A)  6b                   B) 6 + b

C)  6-b                  D) 6/b

A)   Fire Vase

B)   Large Vase

C)   Astronomy Tool

D)   Metal Shape

Question #4

Use the formula A = 6s^2 to find the surface area of a cube when s = 4. The area would be how many units squared?

A)  86                B) 96

C)  84                 D) 100

A)   Spell Book

B)   Large Vase

C)   Fire Vase

D)   Mini Table

Type in the numbers to get your clue.

Clue Box

Question #5

If you want the difference of one number from another number, then you will need to do which of the following?

C)  Multiply              D)  Divide

A)   Spell Book

B)   Dragon

C)   Mini Table

D)   Hourglass

Question #6

How would you write “the product of 6 and x plus 13” using only letters and numbers.

A)  6 -x + 13                         B) 6x + 13

C)  13- 6x                             D) 13(6x)

A)   Fire Vase

B)   Star Rock

C)   Telescope

D)   Globe

Type in the numbers to get your clue.

Clue Box

Question #7

How would you write “the quotient of 9 and s” using only letters and numbers.

A)  9 + s                   B) 9 – s

C)  9s                       D) 9/s

A)   Hourglass

B)   Large Vase

C)   Globe

D)   Book Stand

Question #8

How would you best say “c – 5”?

A) The sum of c and 5

B)  The product of c and 5

C)  The difference of c and 5

D)  C divided by 5

A)   Large Vase

B)   Fire Vase

C)   Metal Shape

D)   Telescope

Type in the numbers to get your clue.

Clue Box

Input all the clues to help Merlin fix the mess.

MASTER LOCK

Did you fix the dragon problem?

Share your results with your teacher and parents. Tell them what the Master Lock was and where the key was found.