# Math Dictionary For Children

## Acute

Sharp. Sharply pointed. (i) Acute angle. A sharply pointed angle with size less than a right angle (< 90°). Examples

## Accurate

Exact, correct, right, without error.Note: Measurements are not exact.We usually measure to the nearest unit, therefore our answers are only approximate.For example, if we say… Read More »Accurate

## Abbreviation

A shortened form o f writing words and phrases. When writing shortened forms of words, we usually put full stops after the letters. Examples

## Abacus

Usually a board with spikes or a frame with wires on which discs, beads or counters are placed. Used for counting and calculating. Example

## Area

The amount of surface or the size of a surface. Area is measured in square units.Units of area are: Example square centimetre cm² square metre… Read More »Area

## Are

Unit of area in the metric system. It is the area of a square with sides measuring 10 metres. Example