Arrays are a way to organize things into rows and columns. Think of them like a seating chart in a classroom or the tiles on a floor. In math, arrays help us understand multiplication. Each row has the same number of items, and by counting the rows and the items in each row, we can quickly find the total number of items.
Array word problems use real-life situations to help you practice using arrays. They'll describe a situation where things are arranged in rows and columns, and you'll need to use your array skills to solve the problem!
| Term | Definition |
|---|---|
| 1. Row | A. How many columns are in an array |
| 2. Column | B. A number multiplied by another number |
| 3. Array | C. An arrangement of objects into equal rows and columns. |
| 4. Factor | D. How many rows are in an array |
| 5. Product | E. The answer to a multiplication problem |
Match the term to the definition.
An ________ is a set of objects arranged in equal rows and ________. If an array has 3 rows and 4 columns, we say it is a 3 by ________ array. To find the total number of objects, we can ________ the number of rows by the number of columns. This gives us the ________.
Imagine you are helping set up chairs for a school play. You need to arrange 20 chairs in an array. What are two different ways you could arrange the chairs? Explain how you found your answer.
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