What is the term for a number close to an exact answer, and tells about how much? It is found by rounding.

What is the term for answers or estimates that make sense or are close to the exact answer?

What is the term given to numbers, operations, and an equal sign are written out to solve a problem? It is also known as an equation

What is the word that describes a missing number or the number to be solved for?

What is the answer to an addition sentence or equation called?

Give the word for the process of changing the value of a number to one that is easier to work with. Or to find the nearest value of a number based on a given place value.

What is the word for using place value to rename a number by moving groups of 10 to a larger place value column?

What is the term given to the two numbers in the following number sentence? 374 +2018 = ?

To find the estimate in this example, what must be done FIRST? 47 + 22 is about 50+20 = 70