Map Basics
What does a map grid help you do?
Locate positions.
What does "read right, then up" mean?
Read eastings first, then northings.
What extra information does a six-figure grid reference provide?
Exact location inside a grid square.
Complete the phrase: "Read right, then ______."
Up.
What is the difference between an easting and a northing?
Eastings run north-south; northings run east-west.
A feature is in square 23-45. What is the four-figure grid reference?
2345.
What does the third digit in an easting represent?
Tenths across the square.
How many digits are in a four-figure grid reference?
Four.
Which grid lines are read first?
Eastings first.
What information does a four-figure grid reference provide?
A grid square location.
Why are six-figure references more accurate than four-figure references?
Greater precision.
How many digits are in a six-figure grid reference?
Six.
What is a four-figure grid reference used for?
Identifying a grid square.
The church is located between easting 17 and 18 and northing 63 and 64. What four-figure grid reference square is it in?
1763.
What equipment helps determine six-figure references accurately?
Romer or map scale.
Which comes first: northing or easting?
Easting.
Why are map grids important in survival situations?
Helps communicate locations accurately.
Explain how to find a four-figure grid reference.
Find easting, then northing.
Describe the process of finding a six-figure grid reference.
Read easting, estimate tenths, read northing, estimate tenths.
Explain the difference between four- and six-figure grid references.
Four-figure identifies a square; six-figure identifies a specific point within that square.