Q:
# What Is a Landmark Number?

**Landmark numbers are familiar landing places that make solving math problems easier, such as multiples of tens or hundreds.** Familiarity with these numbers is vital to understanding numbers and their relationships with one another.

Credit:
Fuse
Getty Images

Students who learn about taking apart and putting together 10, 100 and 1000 and their factors gain knowledge that allows them to come up with their own logical problem-solving strategies. They are also better equipped to develop accurate estimation strategies. For example, when asked to multiply 25 by 17, a student familiar with landmark numbers may use the knowledge that there are four 25s in 100 to solve the problem mentally.

Learn more about Geometry-
Q:
## What Are Some Examples of 7th Grade Math Problems?

A: One example of a seventh grade math problem includes listing the multiples of a certain number like "find all the multiples of the numbers 50 and 95." Anot... Full Answer >Filed Under: -
Q:
## What Does Intersection Mean in Math?

A: An intersection in mathematics usually refers to the point where two lines cross each other on a plot, but can also refer to shared numbers in data sets. I... Full Answer >Filed Under: -
Q:
## What Does "Fibonacci" Mean in Math?

A: In math, "Fibonacci" refers to a sequence of numbers generated using the following equation. The Fibonacci sequence starts with 1, 1, ... and each subseque... Full Answer >Filed Under: -
Q:
## What Are the Rules That Govern Rounding of Whole Numbers?

A: When rounding a whole number, it is important to identify first the digit being rounded with its place value, such as tens, or hundreds. Once the rounding ... Full Answer >Filed Under: