Year 7 Algebra revision

Like terms

100

Simplify the following

3n + 6n

9n


Take 100
or
Minus 200 from another team

200

Simplify the following

12k - 3k 

Answer

= 9k


Double points

300

Simplify the following

12k - 3k +10

Answer

= 9k +10

400

Simplify the following

12k + 3m - 2k + 8m

Answer

10k + 11m

500

Simplify the following

-12a + 2b + 6a - 8b + 18

Answer

-6a - 6b +18

Double points

600

-6g + 12f + 11g - 5e - 5g

Answer
12f -5e

Dividing

100

Simplify the following

(4x)/2

Double points
Answer

2x

200

Simplify the following

(4x)/(2x)

Answer
=2

Steal 200 points from another team

300

Simplify the following

2/(6x)

Answer

1/3x

   or  

1/(3x)

400

Simplify the following

(24x)/(8xz)

Answer

3/z

Double points

500

Simplify the following

(8xy)/4 

Answer

2xy

600

Simplify the following

(2a^2bc^3)/(10ab^2c)

Answer

(ac^2)/(5b)

Triple points

Multiplying

100

Simplify the following
a x b

Answer

= ab

200

Simplify the following
-2g x 2bg

Answer
= -4bg²

Double points

300

Simplify the following
2h x 4b x 3

Answer
=24bh

400

Simplify the following
3b x 4b x -1

Answer
= -12b²

double points
or
steal 400 points from another team

500

Simplify the following
-3b³h² x -2b²g x -g

Answer
= -6b⁵g²h²

600

-2bxx-2yxx-2x

Double points
Answer 

-8byx

Expanding

100

Simplify the following
3(b+2)

Answer

3b + 2

200

Simplify the following
2(b + 2)

Answer
= 2b - 4

Double points
or
Steal 200 from another team

300

Simplify the following
-10(3n+3n) 

Answer

-30n - 30

400

Simplify the following
3b(4b - 6)

Answer

12b2 - 18b

500

Simplify the following

-6b (-2a - 3c)

Answer

12ab + 18bc

Take 1000
or
Steal 500 from another team

600

2ab(4b+8a)

Answer

8ab^2 +18a^2b

Factorising

100

Factorise the following
2a + 20

Answer
2(a+10)

Take 200
or
Steal 100 from another team

200

Factorise the following
9a + 24

Answer
= 3(3a + 8)

300

Factorise the following
16ab -24a

Answer
=8a (2b - 3)

400

Factorise the following
7a  - 21b

7(a - 3b)

Triple points

500

Factorise the following

12b - 18d

Answer
= 6(2b - 3)

Steal 1000 points of any team

600

Factorise the following 

2x^2 +8x

2x(x+4)

Triple points