Simplify
Subtracting
Adding
Mystery
100

3x+5y+2x−y

What is 

5x + 4y

100

(7x+5) - (3x+2) 

What is

4x+3

100

(9m2 + 6m) + (4m2 + 2m)

What is

13m+ 8m 

100

What University does Ms. McDowell attend?

What is

University of Nebraska at Kearney (UNK)

200

9y−4+3y+6−y

What is 

11y+2

200

(y2+15y) - (y2+12y)

What is

27y

200

(19mn - 13n + 7) + (16mn + 6m - 7) 

What is

35mn - 13n + 6m 

200

What is Mrs. Masasi's favorite color? 

What is.. 

Purple 

300

2(4x+3)+x

What is

7x+6

300

(9y2−2y+6)−(4y2−3y−1)

What is

-5y2+y+7

300

(24ab+ 16a + 9b + 12) + (15ab4+ 7a +11)

What is

39ab+ 23a + 9b + 23

300

When subtracting two polynomials, how does subtraction impact each monomial in the second polynomial?

What is 

changing the value from a positive to a negative 

400

-5(y-2)-3y

What is

-8y+10

400

(-4m+ 5n+ 6) - (6m2+ 2n + 9) 

What is

-10m2 + 3n - 3

400

(4a+ 7a + 10) + (-a3 + 3a2)

What is

3a+ 3a2 + 7a + 10 

400

What are two different ways we can represent 

8b+ 4b2 + 7b + 5

What is

1) 12b2 + 7b + 5

2) (8b2 + 7b) + (4b2 + 5) 

500

3(4a−2)+ 5(2a+7)

What is

22a+29

500

(-9x2y + 9xy + 5) - (-2x2y + xy - 3)

What is

-7x2y + 8xy + 8 

500

(3xy2 + 5x2y + 4xy) + (6xy2 + x2y -2xy) 

What is

9xy2 + 6x2y + 2xy

500

Taryn wants to put pavers around the outside of her yard. The area of her yard is 6m2 + 9m + 8 square feet, and the area of the space that she wants to keep as grass is 4m2 + 2m + 3 square feet.

What is the area of the pavers?

What is 

2m2 + 7m + 5