G.C.F
Difference of Squares
Perfect Square Trinomials
Factor Completely

The Riddler
100

Factor:

3x2+30x+75

3(x+5)(x+5)

100

Factor: 

16a2 - 121

(4a + 11)(4a - 11)
100

Factor: 

x2-6x+9

(x-3)2

100

Factor: 

5c2 - 30c + 40

5(c - 2)(c - 4)

100

Why don’t lobsters share?

They're SHELLFISH

200

Factor: 

3x + 12

3(x + 4)

200

Factor:

a- 4

(a+2)(a-2)
200

Factor: 

25a2 -100a+ 100 

(5a - 10)2

200

Factor: 

18x2 - 8 

2(3x + 2)(3x - 2)

200

Big as a biscuit, deep as a cup, Even a river can’t fill it up. What is it?

A kitchen strainer

300

Factor:

21cd - 3d

3d(7c - 1)
300

Factor: 

x2 + 25

Prime. 

You cannot factor because this is not a difference of squares problem. 

300

Factor: 

81w2 -18w+ 1

(9w -1)2

300

Factor: 

2m2 + 22m +60 

2(m + 5)(m + 6)

300

If you have it, you want to share it. If you share it, you don’t have it. What is it?

A secret

400
Factor: 

8m + 36n

4(2m + 9n)
400

Factor: 

c2 - 100

(c + 10)(c - 10)
400

Factor: 

9x2 +24xy+ 16y2 

(3x + 4y)2

400

Factor: 

50a2 - 8

2(5a + 2)(5a - 2)

400

I am a word of letters three, add two and fewer there will be. What am I?

The word "few"

500

Factor:

x3-11x2+28x

x(x-4)(x-7)

500

Factor: 

64u2 - 36s2

(8u + 6s)(8u - 6s)
500

Factor: 

16y2 -40y +25

(4y - 5)2

500

Factor:

2y2 + 6y -108

2(n + 9)(n - 6)

500

What question can you never answer “yes” to?

"Are you asleep?"

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