Algebraic Techniques

Algebraic Expressions

100

Write an algebraic expression for; six times a number 'm'

6m

200

Write and algebraic expression for; three more than a number

m + 3

300

Write and algebraic expression for; double a number and add seven

2y + 7

400

Write and algebraic expression for; five less than three times a number

3n - 5

500

Write and algebraic expression for; eight more than two times a number squared

2n^2 + 8

Add/Subtract

100

3a + 2a

5a

200

-7y - 9y

-16y

300

4m - (-3m) + m

8m

400

7n + 5p + 3n - 2p

10n + 3p

500

11k - 7 - 13k - (-2)

-2k - 5

Multiply

100

7 x d

7d

200

13a x bc

13abc

300

4mn x 2n

8mn^2

400

8hi x 3hij

24h^2i^2j

500

6f x (-5g) x 2f

-60f^2g

Divide

100

(12b)/6

2b

200

(30h)/(5h)

6

300

(27kn)/(9k)

3n

400

(15p)/(5pq)

3/q

500

(14t^2u^4)/(7tu^2)

2tu^2

Substitution

100

If a=2 then: 3a = ?

6

200

If b=6 then: b + 7 = ?

13

300

If g=4 and h=3 then: g + 2h = ?

10

400

If t=7 and u=5 then:

3t-u^2 = ?

2

500

If a=1, b=2 and c=3 then: abc + 4bc = ?

6 + 24 = 30