# Mathematics

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Evaluate: a) 2(3) b) 4(-2)
a) 8 b) 1/16
1 of 10
Simplify: a) 5(4)divided5(-3) b) 3(2)X3(-3) c) 6(2)divided6(7) d) 12(8)X12(9)
a) 5(7) b) 3(-1) c) 6(-5) d) 12(17)
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Evaluate: a) 3.5X10(7) b) 2.47X10(9) c) 7X10(4)
a) 35,000,000 b) 2,470,000,000 c) 7,000
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Evaluate: a) 7X10(-3) b) 421X10(-1) c) 5.5X10(-5)
a) 0.007 b) 0.421 c) 0.000055
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Expand these brackets to there simplest form: a) 4(x+2)+2(x-3) b) 5(x+8)+4(x+6) c) 7(y+6)+5(y+10) d) 9(s+7)+11(s+3) e) (x+3)(x+4) f) (y+6)(y+9) g) (x+5)(x+3) h) (s+6)(s+4)
a) 6x+2 b) 9x+64 c) 12y+92 d) 20s+96 e) x(2)+7x+12 f) y(2)+15x+54 g) x(2)+8x+15 h) s(2)+10s+24
5 of 10
Factorise these equations: a) 12x+18 b) ab+ac c) 26y+18 d) 20p+12q
a) 6(2x+3) b) a(b+c) c) 2(13y+9) d) 4(5p+3q)
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Find the median of these numbers: a) 40,19,52,64,83 b) 1,8,2,7,2,4,4,3,9
a) 52 b) 4
7 of 10
Find the mean (average) of these numbers: a) 9,11,14,18 b) 6,8,7,13,5,15
a) 13 b) 9
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Find the mode of these numbers: a) 3,3,5,6,7,8,3,8,9 b) 12,34,12,11,56,22,11,34,27,11,11
a) 3 b) 11
9 of 10
Find the range: a) 12,56,72,31,75,9,80 b) 34,56,32,18,73,10
a) 71 b) 63
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## Other cards in this set

### Card 2

#### Front

Simplify: a) 5(4)divided5(-3) b) 3(2)X3(-3) c) 6(2)divided6(7) d) 12(8)X12(9)

#### Back

a) 5(7) b) 3(-1) c) 6(-5) d) 12(17)

### Card 3

#### Front

Evaluate: a) 3.5X10(7) b) 2.47X10(9) c) 7X10(4)

### Card 4

#### Front

Evaluate: a) 7X10(-3) b) 421X10(-1) c) 5.5X10(-5)

### Card 5

#### Front

Expand these brackets to there simplest form: a) 4(x+2)+2(x-3) b) 5(x+8)+4(x+6) c) 7(y+6)+5(y+10) d) 9(s+7)+11(s+3) e) (x+3)(x+4) f) (y+6)(y+9) g) (x+5)(x+3) h) (s+6)(s+4)