Arrays

Flashcard
•
Mathematics
•
2nd Grade
•
Hard
Standards-aligned
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15 questions
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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, that helps in visualizing and solving problems involving multiplication and addition.
Tags
CCSS.3.OA.A.1
2.
FLASHCARD QUESTION
Front
How can repeated addition be represented in an array?
Back
Repeated addition can be represented in an array by adding the number of items in each row or column multiple times.
Tags
CCSS.2.OA.C.4
3.
FLASHCARD QUESTION
Front
What is the formula for finding the total number of items in a rectangular array?
Back
The total number of items in a rectangular array can be found using the formula: Total = Number of Rows × Number of Columns.
Tags
CCSS.3.OA.A.1
4.
FLASHCARD QUESTION
Front
If an array has 4 rows and 5 columns, what is the total number of items?
Back
The total number of items is 4 × 5 = 20.
Tags
CCSS.3.OA.A.1
5.
FLASHCARD QUESTION
Front
What does the term 'rows' refer to in an array?
Back
Rows refer to the horizontal lines of items in an array.
Tags
CCSS.2.OA.C.4
6.
FLASHCARD QUESTION
Front
What does the term 'columns' refer to in an array?
Back
Columns refer to the vertical lines of items in an array.
Tags
CCSS.2.OA.C.4
7.
FLASHCARD QUESTION
Front
How can you express the total number of items in an array using multiplication?
Back
You can express the total number of items in an array using multiplication by multiplying the number of rows by the number of columns.
Tags
CCSS.3.OA.A.1
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