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# Properties of Operations – 1st Grade

Watch first

Here are objects that are found inside the haunted house. Be safe as you move around inside the 360 VR tour. Go below to start the escape room.

# 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!

You may want a piece of paper to solve problems.

Question #1

If 5 + 4 = 9, then _ + 5 = 9

A)                     B)  9

C)  4                     D)  5

A)   Statue

B)   Pumpkin

C)   Gargoyle

D)   Wizard Hat

Question #2

If 9 – 3 = 6, then 9 – 6 =

A)  9                     B)  3

C)  4                     D)  6

A)   Skeleton

B)   Broom

C)   Monster

D)   Gravestone

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

If 5 – 2 = 3, then 5 – 3 =

A)                     B)  3

C)  2                     D)  8

A)   Spider

B)   Wizard Hat

C)   Treasure

D)   Statue

Question #4

9 + 1 + 3 = 13 is the same as

10 + _ = 13

A)                     B)  10

C)  2                     D)  3

A)   Broom

B)   Gargoyle

C)   Skeleton

D)   Coffin

Type in the numbers to get your clue.

Clue Box

Question #5

5 + 5 + 3 = 13 is the same as

10 + _ = 13

A)                     B)  10

C)  5                     D)  3

A)   Treasure

B)   Gravestone

C)   Cauldron

D)   Spider

Type in the numbers to get your clue.

Clue Box

Input all the clues to escape the room.

MASTER LOCK

Did you escape?

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