Proportion Basics

Which strategy will solve the proportion for x?

• Cross multiply & divide
• Multiply straight across
• Cross multiply & multiply again
• Divide straight across

Tags

CCSS.7.RP.A.2C

Proportional or not?

• Proportional
• Not Proportional

Tags

CCSS.7.RP.A.2A

Proportional or not?

• Proportional 
• Not Proportional

Tags

CCSS.7.RP.A.2A

Proportional or not?

• Proportional
• Not Proportional

Tags

CCSS.7.RP.A.2A

Proportional or not?

• Proportional
• Not Proportional

Tags

CCSS.7.RP.A.2A

The ratio of boys:girls is 2:3. Which ratio is proportional to this?

• 1:2
• 3:4
• 4:6
• 5:6

Tags

CCSS.7.RP.A.2A

The ratio of cats to dogs is 5:7. Which ratio is proportional to this?

• 2:4
• 7:5
• 2.5:3.5
• 6:8

Tags

CCSS.7.RP.A.2A

To create a proportional ratio for 1:2, what strategy could you use?

• Multiply both the 1 and the 2 by the same number
• Add the same number to both the 1 and the 2

Tags

CCSS.6.RP.A.3A