Fractions to Decimals
Rounding
Scale Factor
Measurements
Pop Culture
Components of a Crime Scene
100
Convert 1/2 to a decimal
.5
100
Round 6.2 to the nearest whole number.
6.2
100
The Length Scale Factor of a room is 30.
The Width Scale Factor of a room is 29.
Which do we use?
Length (30)
100
If an inch on a ruler is divided into 16 equal spaces, this is the denominator used for fractions?
16
100
This streaming giant uses a red "N" logo and plays a signature "ta-dum" sound when launched.
Netflix
100
Found in the corner of a map or crime scene sketch, this section contains a key that explains what the various symbols, lines, and colors used in the drawing represent.
Legend
200
Convert 1 3/4 to a decimal.
1.75
200
Round 18.7 to the nearest whole number.
19
200
Scenario: Detective Lee is mapping a storage unit.
Real room: 200 inches wide and 300 inches long.
Paper size: 8 inches wide and 10 inches long.
What is the Width Scale Factor?
25 (200 divided by 8)
200
If an inch on a ruler is divided into 8 equal spaces, this is the denominator used for fractions?
8
200
This global megastar broke concert film records with her 2023 release The Eras Tour.
Taylor Swift
200
This symbol on a crime scene map has an arrow that points straight to NORTH so you know which way you are facing.
Compass
300
4 and 2/16th to a decimal.
4.125
300
Round 43.5 to the nearest whole number.
44
300
Scenario: Detective Lee is mapping a storage unit.
Real room: 200 inches wide and 300 inches long.
Paper size: 8 inches wide and 10 inches long.
What is the Length Scale Factor?
300 divided by 10. 30
300
Johnny measures his pencil on a ruler with 8 spaces per inch. He counts 2 tick marks past 7 inches and writes "7.2 inches."
This is why he is wrong, what should have said?
7 2/8ths
300
This superhero operates in Gotham City and is widely known as the "Dark Knight.
Batman
300
This is the specific door, window, or opening where an intruder or suspect got inside a crime scene.
Points of entry
400
Convert 3 5/8ths to a decimal.
3.625
400
Round 124.49 to the nearest whole number.
124
400
How do we get the Length Scale Factor of a room?
Divide the length of the room by the length of the paper.
400
Johnny measures his pencil on a ruler with 16 spaces per inch. He counts 4 tick marks past 5 inches and writes "5.4 inches."
This is why he is wrong, what should have said?
5 4/16ths
400
This iconic video game character from Nintendo travels through the Mushroom Kingdom to rescue Princess Peach
Directed by Greta Gerwig, this 2023 blockbuster featured Margot Robbie as the title character and Ryan Gosling as Ken
400
These two measurements—the length and width—tell investigators the exact size of a room.
Dimensions of the room
500
20 1/8th to a decimal.
20.125
500
Round 399.812 to the nearest whole number.
400
500
How do we get the Width scale factor of a room?
Divide the width of the room by the width of the paper.
500
How tall is this ruler?
39 3/8ths
500
Directed by Greta Gerwig, this 2023 blockbuster featured Margot Robbie as the title character and Ryan Gosling as Ken
Barbie
500
Physical objects found at a crime scene—like fingerprints, shoeprints, or a suspect's hat—that help investigators figure out what happened
Evidence items