Author: Alex

Do NOT use a calculator!

Nice and easy

Bit more to it

Challenging

300
Half of it
÷ 10
Subtract 6
Times by itself
Add 7
÷ 11
Times by itself
Half of it
Half of it
Answer =

28
3/7 of it
x 5
x 10
5 % of it
Time by itself
75 % of it
- 90
÷ 5
÷ 9
Answer =

Fifteen
x 8
17 ½ % of this
5/7 of this
x 20
Plus 25 %
Double it
20 % of this
+ 19
2/13 of this
Answer =

Nice and easy

Bit more to it

Challenging

300
300 ÷ 2 = 150
150 ÷ 10 = 15
15 – 6 = 9
9 x 9 = 81
81 + 7 = 88
88 ÷ 11 = 8
8 x 8 = 64
64 ÷ 2 = 32
32 ÷ 2 = 16
Answer = 16

28
(3/7) x 28 = 12
12 x 5 = 60
60 x 10 = 600
0.05 x 600 = 30
30 x 30 = 900
0.75 x 900 = 675
675 – 90 = 585
585 ÷ 5 = 117
117 ÷ 9 = 13
Answer = 13

15
15 x 8 = 120
0.175 x 120 = 21
(5/7) x 21 = 15
15 x 20 = 300
300 ÷ 4 = 75 + 300 = 375
375 + 375 = 750
0.2 x 750 = 150
150 + 19 = 169
(2/13) x 169 = 26
Answer = 26