1.
RATIOS

2. SOL 6.1 Ratios comparison of two sets of data (fraction)
(part to whole, or part to part)
(fraction)
a to b (the word to)
a:b(colon)

3. What is the ratio of red cubes to green cubes?
Part to Part Ratios
What is the ratio of red cubes to green cubes?
2 to 1
2:1

4. What is the ratio of red cubes to all the cubes?
Part to Whole Ratios
What is the ratio of red cubes to all the cubes?
2 to 5
2:5

5. 2 to 6 2:6 2 6 1 to 3 1:3 1 3 Simplify a Ratio
A ratio can be simplified like a fraction.
All fractions are ratios and vice versa.
Ratio of red cubes to all the cubes:
2 to 6
2:6
2 6
1 to 3
1:3
1 3
Simplifies to
Divide the
numerator and
denominator by2

6. Try to simplify these 8:6 4:3 18:3 6:1 4:8 1:2 10:25 2:5 7:3 7:3
Ratios may or may not be written in simplest form.

7. What is the ratio of BLUE to RED Smarties?
Blue : Red
6 : 3
2 : 1
6 BLUE
3 RED

8. What is the ratio of RED to BLUE Smarties?
Red : Blue
3 : 6
1 : 2
6 BLUE
3 RED
“For every RED Smartie, there are 2 BLUES”

9. ___________ has ____ girls and
____boys in her class.
What is the ratio of boys to girls?
What is the ratio of girls to boys?
What is the ratio of girls to total?
What is the ratio of boys to total?

10. 12:10
Simplify it 4 / 3 /
20 TO 15 or
4 to 3

11. Be careful about the order!
What is the ratio of mice to cats?
Write the ratio with words
& then fill in the numbers:
Mice = 3
Cats or

12. 7:14
butter to flour?

13. What is the ratio of Zizu’s miles run to Mark’s miles run?
or 1 to 3

14. What is the ratio of Kaya’s miles run to Jim’s miles run?

15. My Halloween Candy What is the ratio of snickers to m&ms?
What is the ratio of snickers to all the candy?

16. What is the ratio of red to white cars? A 27 to 45 B 27 to 18 C 18:27
Car Color
Number of Cars
Red 27
Black 33
Green 5
White 18
Silver 24
What is the ratio of red to white cars?
A 27 to 45
B 27 to 18
C 18:27
D 18:45 27 18

17. What is the ratio of green to silver cars? A 18 to 24 B 24 to 5
Car Color
Number of Cars
Red 27
Black 33
Green 5
White 18
Silver 24
What is the ratio of green to silver cars?
A 18 to 24
B 24 to 5
C 24:18
D 5:24 5 24

18. What is the ratio of black to silver cars? A 24:33 B 24 to 18 C 33:24
Car Color
Number of Cars
Red 27
Black 33
Green 5
White 18
Silver 24
What is the ratio of black to silver cars?
A 24:33
B 24 to 18
C 33:24
D 18/24 33 24

19. What is the ratio of white to red cars? A 18:27 B 3/4 C 3 to 2 D 27:18
Car Color
Number of Cars
Red 27
Black 33
Green 5
White 18
Silver 24
What is the ratio of white to red cars?
A 18:27
B 3/4
C 3 to 2
D 27:18 18 27

20. What is the ratio of white cars to cars that are not white? A 18:89
Car Color
Number of Cars
Red 27
Black 33
Green 5
White 18
Silver 24
What is the ratio of white cars to cars
that are not white?
A 18:89
B 18:107
C 89:18
D 107:18 18 89

21. What is the ratio of the total number of cars to red cars? A 27 to 80
Car Color
Number of Cars
Red 27
Black 33
Green 5
White 18
Silver 24
What is the ratio of the total number
of cars to red cars?
A 27 to 80
B 27 to 107
C 107:27
D 107:80
107 27

22. 06 SOL

23. 06 SOL

24. According to the table, what is the ratio of the number of B’s Camelia earned to the number of A’s she earned?
07 SOL