Arrays
Flashcard
•
Mathematics
•
2nd Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an array?
Back
An array is a systematic arrangement of objects, usually in rows and columns.
Tags
CCSS.3.OA.A.1
2.
FLASHCARD QUESTION
Front
What direction do rows go in an array?
Back
Rows go across.
Tags
CCSS.2.OA.C.4
3.
FLASHCARD QUESTION
Front
What direction do columns go in an array?
Back
Columns go up and down.
Tags
CCSS.3.OA.A.1
4.
FLASHCARD QUESTION
Front
How can an array be represented as the sum of equal addends?
Back
An array can be represented as the sum of equal addends by multiplying the number of rows by the number of columns.
Tags
CCSS.2.OA.C.4
5.
FLASHCARD QUESTION
Front
What is the equation for an array with 5 rows and 5 columns?
Back
5 + 5 + 5 + 5 + 5 = 25.
Tags
CCSS.2.OA.C.4
6.
FLASHCARD QUESTION
Front
If an array has 4 rows and 2 columns, what is the total number of elements?
Back
The total number of elements is 4 x 2 = 8.
7.
FLASHCARD QUESTION
Front
What is the formula to calculate the total number of elements in an array?
Back
Total elements = Number of rows x Number of columns.
Tags
CCSS.2.OA.C.3
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