Arrays(Repeated Addition) Test (Friday 13 Dec.24)

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?
Back
An array is a way to organize objects or numbers in rows and columns.
Tags
CCSS.3.OA.A.1
2.
FLASHCARD QUESTION
Front
What do we call the horizontal lines in an array?
Back
Rows are the horizontal lines in an array.
Tags
CCSS.2.OA.C.4
3.
FLASHCARD QUESTION
Front
What do we call the vertical lines in an array?
Back
Columns are the vertical lines in an array.
Tags
CCSS.3.OA.A.1
4.
FLASHCARD QUESTION
Front
How do you find the total number of items in an array?
Back
You can find the total by multiplying the number of rows by the number of columns.
Tags
CCSS.3.OA.A.1
5.
FLASHCARD QUESTION
Front
If there are 3 rows and 4 columns, how many items are there in total?
Back
There are 12 items in total (3 x 4 = 12).
Tags
CCSS.2.OA.C.3
6.
FLASHCARD QUESTION
Front
What is repeated addition?
Back
Repeated addition is adding the same number multiple times, like 4 + 4 + 4 = 12.
Tags
CCSS.2.OA.C.4
7.
FLASHCARD QUESTION
Front
How can arrays help with repeated addition?
Back
Arrays show how many groups of the same size there are, making it easier to add them up.
Tags
CCSS.2.OA.C.4
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