5th Grade Science - Volume of Rectangular Prisms & Order of Operations

A ___ is a 3D shape with six rectangular faces

rectangular prism

A rectangular prism is a ___ shape with six rectangular faces

3D

A rectangular prism is a 3D shape with ___

six rectangular faces

Define “rectangular prism”

A 3D shape with six rectangular faces

To find the ___ of a rectangular prism in cubic units, multiply the length, width, and height together

volume

To find the volume of a ___ in cubic units, multiply the length, width, and height together

rectangular prism

To find the volume of a rectangular prism in ___, multiply the length, width, and height together

cubic units

To find the volume of a rectangular prism in cubic units, ___ the length, width, and height together

multiply

To find the volume of a rectangular prism in cubic units, multiply the ___ together

length, width, and hair

To find the volume of a rectangular prism in cubic units, multiply the length, width, and height ___

together

How do you find the volume of a rectangular prism in cubic units?

By multiplying the length, width, and height together

What letter is used to represent height?

l

What letter is used to represent width?

w

What letter is used to represent height?

h

What is the most common formula for volume?

V = l × w × h

To find the volume of a rectangular prism, what do you need to know?

Its length, width, and height

If a rectangular prism has a length of 5 feet, a width of 3 feet, and a height of 4 feet, what is the volume in cubic units?

60 cubic feet

The volume of an object can also be found by using the ___ of the base (b) and multiplying it by the ___

area, height (h)

How is the base area found?

By multiplying the length and width (b = l × w)

If a prism has a base area of 15 square feet and a height of 4 feet, find the volume

V = 15 × 4 = 60 cubic feet

When solving problems with more than one operation, use ___ to remember the order of operations

GEMDAS

What does G stand for in GEMDAS?

Grouping (parentheses, brackets, etc.)

What does E stand for in GEMDAS?

Exponents (powers, roots)

What does MD stand for in GEMDAS?

Multiplication and Division (from left to right)

What does AS stand for in GEMDAS?

Addition and Subtraction (left to right)

What is the first thing you do to solve the problem?

24 / (4 + 2)

First, solve the parentheses:

4 + 2 = 6

After solving the parentheses, then what do you do in this problem?

24 / (4 + 2)

Divide:

24 / 6 = 4

Write “the sum of seventeen and ten divided by nine” as a numerical expression

(17 + 10) / 9

Write “seven less than the product of eight and nine” as a numerical expression

(8 × 9) - 7

Write “the quotient of thirty and ten plus the sum of four and eight” as a numerical expression

(30 / 10) + (4 +8)

Write “24 / (4 + 2)” in words

The quotient of twenty-four and the sum of four and two

Write “(3 + 4) × (5 + 6)” in words

The product of the sum of three and four, and the sum of five and six

Write “80 / 8 - 7” in words

Eighty divided by eight, then subtract seven