6.2 Section B & C Checkpoint

Front

What is the formula to calculate speed?

Back

Speed = Distance / Time

Front

If Diego traveled 7 kilometers in 60 minutes, what is his speed in kilometers per hour?

Back

Diego's speed is 7 km / 1 hour = 7 km/h.

Front

If Priya traveled 2 kilometers in 15 minutes, what is her speed in kilometers per hour?

Back

Priya's speed is (2 km / 15 min) * (60 min / 1 hour) = 8 km/h.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

Front

How do you determine if two ratios are equivalent?

Back

You can determine if two ratios are equivalent by cross-multiplying or simplifying them.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

If a painter mixes 3 cups of black paint and 20 cups of white paint, what is the ratio of black to white paint?

Back

The ratio of black to white paint is 3:20.

Front

How many cups of black paint are needed to make 5 batches if 3 cups are used for 1 batch?

Back

15 cups of black paint are needed (3 cups x 5 batches).

Front

What is the relationship between distance, speed, and time?

Back

Distance = Speed x Time.

Front

If Lin's recipe is 4 cups of pancake mix to 3 cups of water, what is the total number of cups in the mixture?

Back

The total number of cups is 4 + 3 = 7 cups.