Locker Combination #1

At Math Spies Headquarters there is a locker with tools you will need for training. Each of the three numbers is the answer to a problem in this mission.  Good luck!

The first number in the locker combination is a two-digit number.  It is even and divisible by 3.  The number is less than 35 and the sum of the digits is 6.

a. 33 
b. 18 
c. 24 
d. 42

 Click Here to go on in Coded Messages.

Locker Combination #2

The second number in the locker combination is also a two digit number.  It is odd and divisible by 5.  The sum of the digits is 13.

a. 67 
b. 75 
c. 85 
d. 76
 

Locker Combination #3

The third number in the locker combination is also a two digit number.  It is divisible by 7 and the digits add up to 9.
a. 56 
b. 63 
c. 72 
d. 77

LC1C

Excellent! Move onto the next problem.
(I hope you are taking notes.)

LC3A

5 + 6 does not equal 9.


Go back and try again.

LC1D

42 is greater than 35.
Go back and try again.

LC2D

76 is not divisible by 5 and it is not odd.
Go back and try again.

LC3C

72 is not divisible by 7.

Go back and try again.

LC2C

Excellent work!
Move onto the next problem.
Are you taking notes?

LC1A

33 is not an even number.
Go back and try again.

LC2A

67 is not divisible by 5.
Go back and try again.

LC3D

7 + 7 is not equal to 9.
Go back and try again.

LC1B

The sum of the digits of 18 is not 6.
Go back and try again.

LC2B

The sum of the digits of 75 is not 13.

Go back and try again.

LC3B

Excellent work, recruit!

You have completed the mission.  Keep exercising your math skills and you will go far in this organization.

The Locker Combination is R24/L85/R63

To solve other Math Spies Missions click here.

Memo

To: Math Spy Recruits

From: The Director

Date:  August 27, 2011

Subject:  Mission Case Files

As you proceed through each mission, it is important that you take notes and keep them where you can use them later.  You never know when a case you have solved before has information for a current case.

Message from the Director

13-1-20-8 19-16-9-5-19 18-15-3-11!


If you aren't sure how to decipher the message, use this deciphering tool.  A=1

The Pool Problem 1

 

At Math Spies Headquarters, there is a swimming pool that is 21 feet wide, 35 feet long, and 4 feet deep.  How much water does the swimming pool hold?

a. 735 square feet 

b. 2940 cubic feet 

c. 2840 cubic feet

 

 

 

 

 

 

 

Click Here to go on in Coded Messages.

The Pool Problem 2

 

The patio next to the pool is covered in square foot cement tiles.

It is the same length as the pool, but 7 feet wider.

How many cement tiles make the patio?



a. 735 tiles
b. 980 tiles
c. 742 tiles

The Pool Problem 3

The pool and the patio are next to each other with no space in between.  All the way around the pool and patio is a grass path that is 7 feet wide.  Around the outside of the path is a fence.  How much fencing is needed to surround the pool, patio and path?

a. 168 feet of fencing
b. 196 feet of fencing
c. 224 feet of fencing

The Pool Problem 2C

You need more tiles.  Go Back.

The Pool Problem 3B

You need more fencing.  Go back.

The Pool Problem 1B

Excellent!
Move on to the next problem.

The Pool Problem 2A

You need more tiles.
Go Back.

The Pool Problem 1C

The swimming pool holds more than 2840 cubic feet of water.

Go back.

 

The Pool Problem 1A

The swimming pool holds more than 735 square feet of water.
Go back.

The Pool Problem 3A

You don't have enough fencing. Go back.

The Pool Problem 2B

Excellent! Move on to the next problem.

The Pool Problem 3C

Excellent!

You are well on your way to becoming a true Math Spy!

For other Math Spies Missions, click here.