Arrays
Flashcard
•
Mathematics
•
2nd Grade
•
Hard
+2
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 multiplication and repeated addition.
Tags
CCSS.4.NBT.B.5
2.
FLASHCARD QUESTION
Front
How can repeated addition be used to represent an array?
Back
Repeated addition can represent an array by adding the number of items in each row multiple times, corresponding to the number of rows.
Tags
CCSS.2.OA.C.4
3.
FLASHCARD QUESTION
Front
What is the relationship between arrays and multiplication?
Back
Arrays provide a visual representation of multiplication, where the number of rows multiplied by the number of items in each row equals the total number of items.
Tags
CCSS.3.OA.A.1
4.
FLASHCARD QUESTION
Front
If an array has 4 rows and 3 columns, what is the total number of items?
Back
The total number of items is 4 rows x 3 columns = 12 items.
Tags
CCSS.2.OA.C.4
5.
FLASHCARD QUESTION
Front
What is the repeated addition sentence for an array with 5 rows of 2 items each?
Back
The repeated addition sentence is 2 + 2 + 2 + 2 + 2 = 10.
Tags
CCSS.2.OA.C.4
6.
FLASHCARD QUESTION
Front
How do you determine the total number of items in an array?
Back
To determine the total number of items in an array, multiply the number of rows by the number of items in each row.
Tags
CCSS.3.OA.A.1
7.
FLASHCARD QUESTION
Front
What is the repeated addition sentence for an array with 3 rows of 4 items each?
Back
The repeated addition sentence is 4 + 4 + 4 = 12.
Tags
CCSS.2.OA.C.4
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