7th Staar Review

Front

What is simple interest?

Back

Simple interest is calculated using the formula: Interest = Principal x Rate x Time. It is the interest calculated only on the principal amount, not on the interest accrued.

Tags

CCSS.7.RP.A.3

Front

How do you calculate total amount to be paid back with simple interest?

Back

Total Amount = Principal + Interest. First, calculate the interest using the formula, then add it to the principal.

Tags

CCSS.7.RP.A.3

Front

If Emilio borrows $1200 at 8% simple interest for 2 years, how much interest does he pay?

Back

Interest = $1200 x 0.08 x 2 = $192.

Tags

CCSS.7.RP.A.3

Front

What is the total amount Emilio has to pay back after 2 years?

Back

Total Amount = Principal + Interest = $1200 + $192 = $1392.

Tags

CCSS.7.RP.A.3

Front

What is a combination in mathematics?

Back

A combination is a selection of items from a larger set where the order does not matter.

Front

If Darla can choose 3 entrées and 4 sides, how many combinations can she make?

Back

Combinations = Number of Entrées x Number of Sides = 3 x 4 = 12.

Front

How do you solve the equation 3x - 5 = 52?

Back

Add 5 to both sides: 3x = 57. Then divide by 3: x = 19.

Tags

CCSS.7.EE.B.4A

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value that relates two proportional quantities, often represented as k in the equation y = kx.

Tags

CCSS.7.RP.A.2B

Front

If a graph shows a constant of proportionality of 10, what does this mean?

Back

It means for every unit increase in x, y increases by 10.

Tags

CCSS.7.RP.A.2D

Front

What is the formula for the circumference of a circle?

Back

Circumference = π x Diameter.

Tags

CCSS.7.G.B.4