Grade 1Glossary

Symbol for the word cent.  “Noah has 5¢”

One piece of a shape split into 4 pieces that are the same size.

A  fourth, or a quarter, of the square is shaded.

One piece of a shape split into 2 pieces that are the same size.

A half of the rectangle is shaded.

A label that tells how objects in a group are alike.

Describes an amount of coins.  “Noah has 5 cents”.

is the symbol for the word cent.  “Noah has 5¢”

Information about the things or people in a group.

Example: If you have a box of colored pencils, then the lengths and colors of each of the pencils are data about the pencils in the box.

The result when one number is subtracted from another.

To find a value that is close to the correct value.

The pieces created when a shape is split into 4 pieces that are the same size.

The circle is split into fourths, or quarters.

63 is greater than 32.
63 > 32

The pieces created when a shape is split into 2 pieces that are the same size.

The circle is split into halves.

The measure of how long an object is in same-sized units with no gaps or overlaps.

Example: The length of this sneaker is 15 cubes long.

The clock shows 2 o’clock or 2:00.

The total when two or more numbers are added.

A way to collect data using a group of people answering the same question.

A number with 1 ten and between 1 and 9 ones.

Example:
Fifteen is 1 ten and 5 ones.