Unit 1 Vocab

This type of rounding always gives un underestimate.

• Ten Thousands

• Compatible Numbers

• Front-End Rounding

• Expanded Form

The answer to an equation that uses addition (+) is called this. vvvv

Reading through all of the definitions provided before recording your answers.

• multiple choice

• Smart Test-Taking Strategy

• difference

Sometimes we round one number in the problem to make it easier to do in our heads. Then we adjust our answer to get closer to the exact value.

• compatible numbers

• Front-End Rounding

• Greater than

• Compensation

32 467 = 30 000 + 2 000 + 400 + 60 + 7 is a way

to write numbers that shows the value of each

digit.

2 word answer- no capitals

The symbol > is a quick way to represent this

term.

• sum

• Greater Than

• Less than

• open wide

The answer to an equation that uses subtraction

(-) is called this.

• difference

• minus

• take away

These are ‘friendly numbers’ or pairs of numbers

that are easy to work with.

• besties

• compensation

• compatible numbers

• rounding

In the number 789 065, the digit 7 belongs in this

column of the place value chart.

• ten thousand

• hundreds

• ten thousand

• thundred thousand

It means we put numbers in order from smallest

to biggest.

• ascending

• descending

• rounding