CC2 Chapter 7 Flashcard

Front

What is the formula to calculate average speed?

Back

Average Speed = Total Distance / Total Time

Tags

CCSS.8.EE.C.7B

Front

If a sled dog team travels 161.5 kilometers in 8.5 hours, what is their average speed?

Back

19 kilometers per hour

Tags

CCSS.6.NS.B.3

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a car travels 6 miles in 2 hours, what is the unit rate?

Back

3 miles per 1 hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a proportion?

Back

A proportion is when two ratios are equivalent and show the same value.

Tags

CCSS.7.RP.A.2A

Front

What is the simple interest formula?

Back

I = prt (Interest = Principal x Rate x Time)

Tags

CCSS.7.RP.A.3

Front

If you invest $100 at a rate of 5% for 3 years, what is the simple interest earned?

Back

$15 (I = 100 x 0.05 x 3)

Tags

CCSS.7.RP.A.3

Front

What does 'I' represent in the simple interest formula?

Back

'I' represents the interest earned.

Tags

CCSS.6.EE.B.6

Front

What is the solution to the equation x + 72 = 144?

Back

x = 72

Tags

CCSS.6.EE.B.7

Front

What is the first step to solve the equation 2x = 144?

Back

Divide both sides by 2.

Tags

CCSS.6.EE.B.7