Solve for Missing Values in Ratio Problems Using Multiplicative Reasoning

The video tutorial explains the concept of ratios using various examples, such as dogs and cats, basketballs and footballs, hamburgers and hot dogs, and boys and girls. It demonstrates how to use multiplicative reasoning to find equivalent ratios and solve problems. The tutorial emphasizes the importance of strong multiplication skills in understanding and applying ratios.

If the ratio of dogs to cats is 3 to 1, how many cats are there if there are 9 dogs?

• 3 cats

• 2 cats

• 1 cat

• 4 cats

In a ratio of 1 to 2, if there are 2 basketballs, how many footballs are there?

• 1 football

• 4 footballs

• 2 footballs

• 3 footballs

What is the equivalent ratio of 1 to 2 if both terms are multiplied by 3?

• 5 to 10

• 4 to 6

• 3 to 6

• 2 to 3

For a ratio of 4 to 3, if there are 12 hamburgers, how many hot dogs are there?

• 15 hot dogs

• 12 hot dogs

• 6 hot dogs

• 9 hot dogs

If the ratio of boys to girls is 2 to 3, how many girls are there if there are 8 boys?

• 12 girls

• 8 girls

• 10 girls

• 14 girls