Arrays

Flashcard
•
Mathematics
•
2nd Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an array in programming?
Back
An array is a data structure that can store a fixed-size sequential collection of elements of the same type.
2.
FLASHCARD QUESTION
Front
How do you define the number of rows and columns in a 2D array?
Back
The number of rows and columns in a 2D array is defined by two integers, where the first integer represents the number of rows and the second integer represents the number of columns.
Tags
CCSS.2.MD.B.6
3.
FLASHCARD QUESTION
Front
What is the difference between a row and a column in an array?
Back
A row is a horizontal line of elements in an array, while a column is a vertical line of elements.
Tags
CCSS.2.OA.C.4
4.
FLASHCARD QUESTION
Front
How can you access an element in a 2D array?
Back
You can access an element in a 2D array using its row and column indices, typically in the format array[rowIndex][columnIndex].
5.
FLASHCARD QUESTION
Front
What does it mean to partition a rectangle into rows and columns?
Back
Partitioning a rectangle into rows and columns means dividing the rectangle into smaller sections, where each section represents a cell in the array.
Tags
CCSS.3.G.A.2
6.
FLASHCARD QUESTION
Front
If a rectangle is divided into 3 rows and 5 columns, how many total cells are there?
Back
There are a total of 15 cells, calculated by multiplying the number of rows (3) by the number of columns (5).
Tags
CCSS.3.OA.A.3
7.
FLASHCARD QUESTION
Front
What is the formula to calculate the total number of elements in a 2D array?
Back
The total number of elements in a 2D array can be calculated using the formula: total elements = number of rows × number of columns.
Tags
CCSS.HSN.VM.C.6
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