Year 8 Maths - Algebra

Multiplying Expressions

100

Simplify a x a

a²

200

Simplify 8ab x 3c

24 abc

300

Simplify 4abc x 2abd

8 a² b² c d

400

Simplify 3x²y x 2x x 4y

24 x³ y²

500

Simplify 10ab² x 7ba x 2a²

140a⁴ b³

Dividing Expressions

100

Simplify 10xy / 12y

5x/6

200

Simplify (56 x² y)/(8 x² y)

7

300

Simplify 21xyz / 7yz

3x

400

Simplify (18 a² b³ d⁴ e) / (3 a b² d⁴)

6abe

500

Simplify (35 a³ b²) / (7 a b²)

5a²​​​​

Substitution

100

If a = 4:
Find 5a + 4

24

200

If x = 10, y = 4:
Find 2x - 3y

8

300

If b = 2,
Find: 6 + (b + 6)²

70

400

If a = 5, b = 5,
Find: a² + b

30

500

If a = 4, b = 3, c = 9,
Find 4ab - 2b + 6c

96

Like Terms

100

Are 12xy² and 4y²x like terms?

Yes

200

Simplify 7t + 2t - 3t

6t

300

Simplify 7f + 2f + 8 + 4

9f + 12

400

Simplify 4x + 3y + 2x + 7y

6x + 10y

500

Simplify 7ac + 3b - 2ca + 4b - 5b

5ac + 2b

Algebraic Fractions

100

Simplify x/4 + 2x/4

3x/4

200

Simplify 7p/13 - 2p/13

5p/13

300

Simplify 2t/5 - t/3

t/15

400

Simplify x/3 - y

(x - 3y) / 3

500

Simplify 2x/5 + x/2 - x/5

7x/10