M070 RATIOS

A ratio compares two or more numbers

The way Khadijah (10 years old), Amina (20 years old) and Maryam (30 years old) divide

Dh 3000 is in the ratio

10 : 20 : 30

Khadijah / Amina / Maryam
10 : / 20 : / 30

We say: ‘the ratio is ten to twenty to thirty’

Khadijah / Amina / Maryam
1 : / 2 : / 3

We can also say: ‘the ratio is one to two to three’

Khadijah / Amina / Maryam
500 : / 1000 : / 1500

‘the ratio is five hundred to one thousand to one thousand five hundred’

The ratio of men to women to children is …………… to ……………… to ……………….

The ratio of children to women to men is …………… to ……………… to ……………….

The ratio of women to men to children is …………… to ……………… to ……………….

Khloud, Latifa and Maryam walked from the classroom to the cafeteria in 1.2, 3.4 and 0.4 minutes respectively. What is the ratio of these times?

Khloud : Latifa : Maryam = 1.2 : 3.4 : 0.4

Khloud : Latifa : Maryam = ……. : ……… : ………..

Amna, Basmah and Cala shared ice-creams in the ratio

Amna, Basmah and Cala shared ice-creams in the ratio ……. : ……… : ………..

Peter, Mark and John shared sweets in the ratio : :

Peter, Mark and John shared sweets in the ratio ……. : ……… : ………..

Eiman : Fatma : Ghareibah = 12 : 34 : 6

Eiman : Fatma : Ghareibah = ……. : ……… : ………..

Peter : Garry : Aidan = 24 : 36 : 18

Peter : Garry : Aidan = ……. : ……… : ………..

To simplify ratios, you can use the abc button on your calculator, but only if the ratio consists of two numbers. Your answer ofcourse, must also be two numbers!!!

4 : 6 = 18 : 24 =

1.2 : 2.2 = 0.64 : 1.8 =

Your answer must have two numbers!!!!!!

24 : 12 = 26 : 8 =

6.3 : 0.7 = 0.99 : 0.45 =

How can you simplify the ratio

on the calculator ?

Answers:

Page 2

The ratio of men to women to children is six to three to ten

The ratio of children to women to men is ten to three to six

The ratio of women to men to children is three to six to ten

Khloud : Latifa : Maryam = 1.2 : 3.4 : 0.4 = 12 : 34 : 4

Amna, Basmah and Cala shared ice-creams in the ratio = 1 : 4 : 2

Peter, Mark and John shared sweets in the ratio : : = 75 : 20 : 84

Page 3

Eiman : Fatma : Ghareibah = 12 : 34 : 6 = 6 : 17 : 3

Peter : Garry : Aidan = 24 : 36 : 18 = 4 : 6 : 3

4 : 6 = 2 : 3 18 : 24 = 3 : 4

1.2 : 2.2 = 6 : 11 0.64 : 1.8 = 16 : 45

24 : 12 = 2 : 1 26 : 8 = 13 : 4

6.3 : 0.7 = 9 : 1 0.99 : 0.45 = 11 : 5

Challenge

= 4 abc 3 abc 5 1 abc 1 abc 2 = display: 3 1 15

shift abc display: 46 15

= 46 : 15

M070 FWC lv 0501