Math: Place Value and 2-Dimensional Shapes

Vocabulary flashcards derived from the April $$22$$-$$28$$ math lecture notes covering place value, double-digit operations, and the attributes of multiple $$2$$D shapes.

2 digit number

A number composed of two numerical positions representing the tens and ones places, used in operations within $100$.

Ones

The place value in a number representing the single units digit.

Digit

A single numerical symbol from $0$ to $9$ used to form numbers.

Tens

The place value in a number representing groups of ten.

Vertices

The corners or points where the sides of a shape meet; students are required to identify these to name or draw shapes.

Attribute

A characteristic or feature of a shape, such as being closed or having a specific number of sides.

Side

The line segments that form the boundary of a $2$-dimensional shape.

Closed

An attribute describing a shape where the boundary is continuous with no gaps.