UNIT 3 - Ratios and Rates Formative

First and Last Name

Class Period

• 4th- Cook HR
• 5th- Albritton HR
• 6th- Connell HR
• 7th- Tomlinson HR

1. Donald’s Donuts makes both chocolate and plain glazed donuts. Each Saturday, they make 13 plain glazed donuts for every 7 chocolate glazed donuts. What is the ratio of chocolate glazed to plain glazed?

• A. 13 : 7
• B. 7 : 13
• C. 7 : 20

2. If the pattern below was tripled, what would be the ratio of black squares to gray squares?

• A. 2 to 1
• B. 4 to 2
• C. 6 to 3

3. Copy Central prints grayscale and colored copies. Yesterday, they printed 9 grayscale copies for every 2 colored copies. If they printed 20 color copies, how many grayscale copies were printed?

• A. 10 copies
• B 20 copies
• C 45 copies
• D 90 copies

4. At a local daycare, there is a ratio of 2 caretakers for every 7 children. If there are 189 total children, then how many people are at the daycare facility?

• A 21 people
• B 27 people
• C 243 people
• D 191 people

5. Determine if the ratios are equivalent: 12:16 and 72:96

• Equivalent
• Not Equivalent

6. Determine if the ratios are equivalent: 20:14 and 80:56

• Equivalent
• Not Equivalent

7. How many pictures can be snapped within a 36-second period?

• A - 27
• B - 18
• C - 9
• D - 16

8. To make a cleaning solution, George mixes 3 cups of water to 4 drops of cleaner. Which table best represents the ratio of the cleaning solution?

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