08 Ratio 18.01.12

Page 1

SFR Lesson Notes The Winston Churchill School

Ratio  Number


Ratio Grade C.notebook

January 18, 2012

0.09 x 0.3

1.8/0.3

1.2 x 0.6

0.25/0.05

13.2 x 0.02

140/1.4

3.5 x 0.1

0.5/0.8 Jan 26­16:56

Jan 18­09:03

1


Ratio Grade C.notebook

January 18, 2012

£140 Ann : Ben 2:5

Jan 26­17:00

Jan 18­09:14

2


Ratio Grade C.notebook

January 18, 2012

55 Ann : Ben 3:8

Jan 26­17:00

Jan 18­09:32

3


Ratio Grade C.notebook

January 18, 2012

Jan 18­09:35

Jan 18­09:36

4


Ratio Grade C.notebook

January 18, 2012

425

Ann : Ben 4:1

Jan 26­17:00

Ann = 500 Ann : Ben 5:4

Jan 26­17:00

5


Ratio Grade C.notebook

January 18, 2012

The angles of a triangle are in the ratio 2:3:4 Calculate the size of each angle

Jan 26­17:00

A bag contains some red, green and black sweets. 30% of the sweets are red. The ratio of the numbers of green to black sweets is 5 to 9. What % of the total number of sweets are black? Jan 26­17:00

6


Ratio Grade C.notebook

January 18, 2012

Jan 26­17:00

Jan 27­08:11

7


Ratio Grade C.notebook

January 18, 2012

Jan 27­09:00

Jan 27­09:01

8


Ratio Grade C.notebook

January 18, 2012

Jan 27­09:05

Jan 27­09:10

9


Ratio Grade C.notebook

January 18, 2012

Jan 27­09:12

Jan 27­09:13

10


Ratio Grade C.notebook

January 18, 2012

Jan 18­08:11

11


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