Arrays

Flashcard
•
Mathematics
•
2nd Grade
•
Hard
+2
Standards-aligned
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1.
FLASHCARD QUESTION
Front
What is an array in mathematics?
Back
An array is a systematic arrangement of objects, usually in rows and columns, used to represent numbers or quantities.
Tags
CCSS.3.OA.A.1
2.
FLASHCARD QUESTION
Front
How do you determine the total number of items in a rectangular array?
Back
Multiply the number of rows by the number of columns.
Tags
CCSS.3.OA.A.2
3.
FLASHCARD QUESTION
Front
What are rows in an array?
Back
Rows are the horizontal lines of items in an array.
Tags
CCSS.2.OA.C.4
4.
FLASHCARD QUESTION
Front
What are columns in an array?
Back
Columns are the vertical lines of items in an array.
Tags
CCSS.3.OA.A.1
5.
FLASHCARD QUESTION
Front
What is repeated addition?
Back
Repeated addition is the process of adding the same number multiple times, which is related to multiplication.
Tags
CCSS.3.OA.A.1
6.
FLASHCARD QUESTION
Front
How can you represent the total number of items in an array using repeated addition?
Back
By adding the number of items in each row together.
Tags
CCSS.2.OA.C.4
7.
FLASHCARD QUESTION
Front
If an array has 4 rows and 4 columns, how many total items are there?
Back
16 items (4 rows x 4 columns = 16).
Tags
CCSS.2.OA.C.4
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