Algebra
Sequencing
Riddles
100

Name the four main operations in math

Addition, Subtraction, Multiplication, Divison

100

What is the next number in the following sequence:

2,4,6,8,10...

12

100

What has to be broken before it can be used?

An egg

200

If a=7, what is 7a + 16/2?

57

200

What pattern do you see here?

2, 4, 8, 16, 32

multiply each number by 2 to find the next number

200

What begins with T, finishes with T, and has T in it?

A teapot

300

Are the following two expressions equivalent?

2(3x+4)-3

6x-5

No. It should be 6x+5

300

Continue the following sequence:

2, 5, 11, 23,...

47 (double the number and add 1)

300

What can you catch, but not throw?

A cold

400
Simplify the following expression:

4(7P - 12Q)

21P - 48Q

400

What pattern do you see here?

1, 4, 9, 16...

each number is added by the next odd number...

1 + 3 = 4

4 + 5 = 9

9 + 7 = 16

400

Mr. Blue lives in the Blue house. Mrs. Yellow lives in the Yellow house. Mr. Orange lives in the Orange house. What lives in the White house?

The President

500

4x + 13=27. What is the value of x?

x = 3.5

500

What is the next number in the following sequence:

1, -3, 5, -7...

9 (odd numbers alternating between negative & positive)

500

There's a one story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What color are the stairs?

There aren't any- its a one story house.