Open Number Line
Flashcard
•
Mathematics
•
2nd Grade
•
Practice Problem
•
Hard
+6
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an open number line?
Back
An open number line is a straight line that represents numbers without specific marks or labels. It helps us visualize addition and subtraction.
Tags
CCSS.2.NBT.B.7
2.
FLASHCARD QUESTION
Front
How do you use an open number line to add numbers?
Back
To add numbers on an open number line, start at the first number and make jumps to the right for each number you add.
Tags
CCSS.1.NBT.C.4
CCSS.2.MD.B.6
3.
FLASHCARD QUESTION
Front
How do you use an open number line to subtract numbers?
Back
To subtract numbers on an open number line, start at the first number and make jumps to the left for each number you subtract.
Tags
CCSS.1.NBT.C.4
CCSS.2.MD.B.6
4.
FLASHCARD QUESTION
Front
What is the total number of books left in the library if 867 books were there and 453 were checked out?
Back
414 books are left in the library.
Tags
CCSS.3.OA.D.8
5.
FLASHCARD QUESTION
Front
If Clark bought 2 bags of pretzels with 200 pretzels each and 1 bag of peanuts with 153 peanuts, how many snacks did he buy in total?
Back
Clark bought 553 snacks in total.
Tags
CCSS.3.OA.D.8
6.
FLASHCARD QUESTION
Front
What is the total number of pencils if Mrs. Miner has 139 and Ms. Carson has 45 more?
Back
Mrs. Miner and Ms. Carson have 323 pencils altogether.
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
7.
FLASHCARD QUESTION
Front
What does 'addition' mean in math?
Back
Addition is the process of finding the total or sum by combining two or more numbers.
Tags
CCSS.1.OA.A.1
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