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Form 1

1) Describe the pattern of each of the following sequences

(a) 24, 20, 16, 12, 8,

(b) 1, !, ", 2#, 81,

(c) 0, 1, 1, 2, !, $, 8,

2) %omplete the sequencea) #, 16, 2$, !4, &&&, &&&& 

b) 110, "8, 86, &&&&, &&&&, $0,c) &&&&, 4000 , 2000, &&&, $00, &&&& 

!) 'tate whether each of the following numbers is an

een number

(a) 1# (c) 44

(b) 60 () "$

4) *ist

(a) the first fie een numbers

(b) all the o numbers between $0 an 6$

$) Determine whether the answer for each of the

following is an o or een number

(a)1"$$ + 28"#

(b) 11"# 4220

(c) "28 - 8#!

6) *ist all the prime numbers between !0 an 160

#) (a) First ten .ultiples of "

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 (b) First fie multiples of 1!

8) Determine whether $"2 is a multiple of 

(a) 2, (b) #, (c)"

") /ow man metho as are there to fin /%F10) Fin *%.

a) #8 80 68

11", !8, p , q , !04, is a number sequence aluate p + q #6

3 1$2% 228D !10

2) , 8!, 8", are prime numbers are arrange in ascening orerFin the alue of +

 166 3 168

% 1#0D 1#2

!) Fin the highest common factor (/%F) of 16, 24 an !2 23 4% 8D 16

4) 5he pair of numbers haing the highest common factor(/%F) of 6is12 an 18 3 12 an 24%18 an !6D 24 an !6

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$) $#, 68, p , "0, 101,q , 12!, is a number sequence in

ascening orer Fin the alue of p + q.

161 3 18# %1"1 D 201

6) 'tate all the prime factors of 2#2

2, 1! 3 2, 1#%2, !, 1! D !, $, 1#

#) hich of the following numbers is thelowest commonmultiple(*%.) of 12, !2an 487

"6 3 1"2 %284 D !84

8) hich of the following is a common multiple of 4 an 1#7!4 3$6%68 D 108

") ien

 9 : ! is the highest common factor (/%F) of 28 an 42Fin the alue of p14 3 1# %1" D 21

10

Diagram 2

shows some factors of 64D;