Lesson One Vocabulary Part One
In the middle
What is halfway?
Closest
What is nearest?
What is 73 rounded to the nearest tens?
What is 70?
What is 195 rounded to the nearest hundreds?
What is 200?
A close guess made using mathematical thinking
What is an estimate?
A straight line marked at equal spaces to show numbers
What is an number line?
What is 40 and 50?
What is 350?
To find a number that is close in value to a given number by finding the nearest ten, hundred, or other place value
What is rounding?
To give an approximate number or answer based on mathematical thinking
What is to estimate?
What is 315
376 is between what two hundreds?
What is 300 and 400?
The value assigned to a digit based on its position in a number. For example, the 2 in 324 is in the tens place and has a value of 2 tens or 20.
What is place value?
An object or picture that represents a situation
What is a model?
385 rounded to the nearest tens.
What is 390?
732 rounded to the nearest hundred is _______.
What is 700?
728 rounded to the nearest _______ is 700.
What is hundreds?
82 rounded to the nearest ______ is 80.
What is tens?
Find the sum of 385 and 103, then round the sum to the nearest ten.
What is 490?
Find the sum of 824 and 39, then round the sum to the nearest hundred.
What is 900?