What is the purpose of using an open number line in subtraction?

Counting and Number Line Concepts

Interactive Video
•
Mathematics
•
3rd - 4th Grade
•
Hard

Thomas White
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To add numbers quickly
To visualize the subtraction process
To multiply numbers easily
To divide numbers accurately
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which number is placed at the beginning of the number line?
67
20
18
10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a subtraction problem using an open number line?
Write both numbers at the beginning
Write both numbers at the end
Write the smaller number at the beginning
Write the larger number at the beginning
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the next closest ten to the number 18?
40
20
10
30
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many steps are there between 18 and 20?
1
2
4
3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to find the next closest ten in subtraction?
To make addition easier
To simplify the subtraction process
To make multiplication easier
To make division easier
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
From 20, how many tens do you count to reach 60?
6
4
5
3
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