Maths glossary · Ireland
Array
Objects arranged in equal rows and columns.
An array shows multiplication: the number of rows times the number in each row gives the total. It also shows that the order of the factors does not change the product.
Example: 3 rows of 4 stickers make an array. 3 × 4 = 12, so there are 12 stickers.
Lessons, worksheets, practice and tools on this: Multiplication and division.
Related words
- Product: The answer when you multiply numbers.
- Quotient: The answer when you divide.
- Factor: A whole number that divides another whole number exactly, with nothing left over.
- Prime number: A whole number greater than 1 with exactly two factors: 1 and itself.
- Multiple: The result of multiplying a number by a whole number.
- Even number: A whole number that can be split into two equal groups with none left over.
- Odd number: A whole number that leaves 1 left over when split into two equal groups.
- Ratio: A comparison of two amounts, written with a colon, the word to, or as a fraction.
- Unit rate: A rate that compares an amount to exactly 1 of something.