6th grade Math Milestone Review

Front

What is the formula to find the age of Mary Beth if Adam is n years old?

Back

Mary Beth's age = 3n + 4

Front

If Adam is 9 years old, how old is Mary Beth?

Back

Mary Beth's age = 3(9) + 4 = 31 years old.

Front

What is the process to divide decimals?

Back

Align the decimal points and divide as if they were whole numbers, then place the decimal in the quotient.

Front

Back

The quotient is 7.03.

Front

What is an ordered pair in coordinate geometry?

Back

An ordered pair is a pair of numbers used to locate a point on a coordinate plane, written as (x, y).

Front

What is the ordered pair for point A if it is located at (2, 0)?

Back

The ordered pair for point A is (2, 0).

Front

How do you calculate the surface area of a rectangular prism?

Back

Surface Area = 2(lw + lh + wh), where l = length, w = width, h = height.

Front

Find the surface area of a rectangular prism with dimensions 5 in, 4 in, and 3 in.

Back

Surface Area = 2(5*4 + 5*3 + 4*3) = 2(20 + 15 + 12) = 2(47) = 94 in².

Front

What is the formula to find the average (mean) of a set of numbers?

Back

Average = (Sum of all numbers) / (Total count of numbers).

Front

Find the average of the numbers: 5, 11, 2, 12, 4, 2.

Back

Average = (5 + 11 + 2 + 12 + 4 + 2) / 6 = 36 / 6 = 6.