7/dec/2009
Expressions
QUIZ
1. Simplify these expressions (a) 3a + 2a (b) 4b – 3b + 2 + 3 (c) 6v + 2w – v + 3w (d) 3p – 5 + 2q + 3 – p + 8q
2. Substitute n = 5 into the following
(a) N + 3 (b) 2n – 1 (c) 4n + 2 (d) 20 – n (e) 2(n+1) (f) 60 ÷ 2n
3. Expand these brackets
(a) 2(n+1) (b) 3(2n – 5)
4. Factorise these expresions
(a) 2x + 14 (b) 18x – 48
Extension work (MUST OF DONE ALL OF ABOVE) (HAVE TO DO THIS)
5. Simplify these expressions
(a) 2k – 3j + 5 – 8 + 4k + j – 10k
6. Expand these brackets
(a) 3(2b + 4) (b) T(t – 4) (c) 2h(3 – h)
7*. Make your own questions
Answers 1. A) 5a B)b+5 C)5w+5v D)2p-2+10q 2. A)8 B)9 C)22 D)15 3. A)2n+2 B)6n-15
4. A)2(x+7) B)6(3x-8) 5. -4k-2j-3 6. A)6b+12 B)t²-4t C)6h-2h² 7. I will collect your books in to mark this question