Page 179 - NUMINO TG_6A

Workbook Three Apples, Five Oranges

102-B1-1 102-B1-2

Ratio (1) 2. Compare the shaded part to the whole. Write the ratio in 3 different ways.
1. Find each ratio.
Example
Example

a.

The ratio of pencils to erasers The ratio of pencils to total stationery

a. b. c.
The ratio of boys to girls
The ratio of boys to total students

b. d. e.
The ratio of sheep to total animals The ratio of total animals to foxes

Objective Learn how to express comparison Objective Learn how to express three methods
of numbers into ratios. of ratio when comparing numbers.

Textbook Reference Lead-In Textbook Reference Lead-In

102-B2-1 102-B2-2

Ratio (2) Ann Thomas Equivalent Ratios
1. Find the ratio using the table. 5 2 1. The ratios are equivalent. Write the correct numbers in the blanks.
3 10
Marbles Example
Red Marble 12 4
Blue Marble 16 5

12 12 4 3 4 42 8
16 5 52
a. Find the ratio of the total number of red marbles to the total number of blue
marbles. 16

b. Find the ratio of the number of blue marbles Ann has to the number of red a. b.
marbles Thomas has. 32 7
8 2
c. Find the ratio of the total number of red marbles to the number of red marbles
Thomas has. 32 32 77
8 84 2 25
d. Find the ratio of the total number of marbles Ann has to the total number of
marbles Thomas has. c. d.
24 5
9 3 6 8

24 24 3 5 54
99 66

e. f.
36 6
12 4

36 36 66
12 12 44

Objective Learn how to express the answer Objective Learn how to find equivalent ratio
from graphs into ratio. using multiplication and division.

Textbook Reference Lead-In Textbook Reference Activity 1

162 NUMINO Teacher s Guide