2.NBT.A Vocabulary

Front

Base ten models

Back

Mathematical tools to help us understand place value (ones, tens, hundreds), and to compose and decompose numbers.

Front

Bundle

Back

Also called grouping. A way to group numbers by putting smaller units together to make a larger one, e.g., 10 ones make 1 ten.

Front

Compare

Back

Finding out if a number is greater than, less than, or equal to another number.

Front

Decrease

Back

Numbers that decrease become lesser in value.

Front

Digits

Back

Numbers are made up of 1 or more digits.

Front

Expanded form

Back

A way of writing a number that shows the place value of each digit.

Front

Flat

Back

A mathematical tool/model that represents 100.

Front

greater than (>)

Back

325 is greater than 299

Front

expanded form

Back

a way to write a number showing the place value of each digit. 

Front

hundred

Back

10 tens make 1 hundred.