Percentage without a calculator

10%

10%, 20 %, 30% …. 90%

25% , 50% or 75%

33⅓ % and 66 ⅔ %

5%

15% , 25%, 35% etc

Mixture

0 1 2 3 45 6 7 8 9

C

.

÷x

0+

On

²-

Ans

=

√(-) 3.14

0.78STen %

10% of 54(a) 10% of 1.08(b) 10% of 804(c)

10% of 701(d) 10% of 910(e) 10% of 125(f)

10% of 30(g) 10% of 949(h) 10% of 27(i) 10% of 2.53

⅓⅔

(j)

10% of 216(k) 10% of 3.05(l) 10% of 39(m)

10% of 4.29(n)

10% of 2.14(o) 10% of 7.56(p) 10% of 9.38(q) 10% of 42(r)

A

0 1 2 3 45 6 7 8 9

C

.

÷x

0+

On

²-

Ans

=

√(-) 3.14

0.78SMultiple

10%

30% of 934(a) 80% of 710(b) 90% of 4.53(c)

20% of 816(d) 60% of 958(e) 40% of 9(f)

70% of 45(g) 60% of 119(h) 30% of 8.44(i) 90% of 940

⅓⅔

(j)

70% of 6.32(k) 80% of 3.14(l) 20% of 48(m)

40% of 837(n)

30% of 749(o) 40% of 2.35(p) 80% of 328(q) 20% of 24(r)

A

0 1 2 3 45 6 7 8 9

C

.

÷x

0+

On

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=

√(-) 3.14

0.78S25%, 50%

and 75%

25% of 60(a) 75% of 32(b) 50% of 124(c)

75% of 68(d) 25% of 24(e) 75% of 200(f)

25% of 120(g) 50% of 100(h) 25% of 36(i) 75% of 92

⅓⅔

(j)

75% of 56(k) 50% of 232(l) 75% of 128(m)

50% of 112(n)

25% of 156(o) 25% of 180(p) 50% of 148(q) 25% of 72(r)

A

0 1 2 3 45 6 7 8 9

C

.

÷x

0+

On

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√(-) 3.14

0.78S33⅓ and

66 ⅔

66⅔% of 75(a) 66⅔% of 123

(b) 66⅔% of 45(c)

66⅔% of 153

(d) 66⅔% of 27(e) 66⅔% of 39(f)

66⅔% of 159

(g) 33⅓% of 78(h) 33⅓% of 66(i) 66⅔% of 99

⅓⅔

(j)

33⅓% of 96(k) 33⅓% of 150

(l) 33⅓% of 174

(m)

33⅓% of 162

(n)

33⅓% of 18(o) 66⅔% of 87(p) 66⅔% of 51(q) 33⅓% of 84(r)

A

0 1 2 3 45 6 7 8 9

C

.

÷x

0+

On

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√(-) 3.14

0.78S5%

5% of 520(a) 5% of 744(b) 5% of 300(c)

5% of 726(d) 5% of 698(e) 5% of 538(f)

5% of 156(g) 5% of 450(h) 5% of 42(i) 5% of 300

⅓⅔

(j)

5% of 78(k) 5% of 260(l) 5% of 614(m)

5% of 530(n)

5% of 804(o) 5% of 968(p) 5% of 400(q) 5% of 762(r)

A

0 1 2 3 45 6 7 8 9

C

.

÷x

0+

On

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Ans

=

√(-) 3.14

0.78SMultiple of

5%

15% of 60(a) 15% of 200(b) 15% of 210(c)

15% of 414(d) 15% of 240(e) 15% of 114(f)

65% of 562(g) 65% of 12(h) 55% of 90(i) 55% of 280

⅓⅔

(j)

45% of 744(k) 45% of 150(l) 55% of 450(m)

35% of 170(n)

85% of 356(o) 55% of 84(p) 55% of 370(q) 85% of 120(r)

A

0 1 2 3 45 6 7 8 9

C

.

÷x

0+

On

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Ans

=

√(-) 3.14

0.78S1 % to 9%

9% of 27(a) 6% of 4.26(b) 2% of 2.59(c)

6% of 42(d) 7% of 231(e) 3% of 222(f)

4% of 24(g) 2% of 9(h) 6% of 310(i) 3% of 3.14

⅓⅔

(j)

8% of 728(k) 2% of 140(l) 4% of 12(m)

7% of 837(n)

8% of 4.5(o) 4% of 746(p) 9% of 213(q) 9% of 419(r)

A

0 1 2 3 45 6 7 8 9

C

.

÷x

0+

On

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Ans

=

√(-) 3.14

0.78SMixture

75% of 212(a) 5% of 90(b) 3% of 910(c)

30% of 119(d) 25% of 132(e) 15% of 844(f)

33⅓% of 90(g) 55% of 480(h) 40% of 713(i) 5% of 604

⅓⅔

(j)

85% of 100(k) 10% of 27(l) 6% of 3(m)

33⅓% of 6(n)

8% of 5.5(o) 60% of 39(p) 50% of 148(q) 10% of 12(r)

A

01 2 34 5 67 8 9

3.14

C

.

÷x

0

+

On

²

-

Ans

=

√(-)

Test 0 1 2 3 45 6 7 8 9

C

.

÷x

0+

On

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Ans

=

√(-) 3.14

25.748S

r = 10 ; s = 26

r = 13 ; s = 85

r = 11 ; s = 61

r = 16 ; s = 65

r = 5 ; s = 13

=

=

=

=

=

r = 6 ; s = 10

r = 15 ; s = 113

=

=

(a)

(b)

(c)

(d)

(e)

(f)

(g)

V=

V=

V=

V=

V=

V=

V=

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