Unit 1 Three Digit Number Math Vocabulary

Unit 1 Three Digit Number Math

Vocabulary

Place Value

the value assigned to a digit based on its position in a number.  For example, the 3 in 342 is in the tens place and has a value of 2 tens or 20.

Round

to find a number that is close in value to a given number by finding the nearest ten, hundred, or other place value.

Estimate (noun)

a close guess made using mathematical thinking

Estimate (verb)

to give an approximate number or answer based on mathematical thinking

Number Line

a straight line marked at equal spaces to show numbers

Multiple Choice

I can _________ the length of my foot without actually measuring it.

• arrange

• estimate

• critical

• discuss

Multiple Choice

Regrouping is a ___________ skill for adding numbers.

• arrange

• estimate

• critical

• discuss

Multiple Choice

We will work together and _____________ our roles and responsibilities for the class project.

• arrange

• estimate

• critical

• discuss

Multiple Choice

You can __________ the numbers on the place value chart by putting them in their proper columns.

• arrange

• estimate

• critical

• discuss