
Understanding Open Number Lines

Interactive Video
•
Mathematics, Education
•
3rd - 5th Grade
•
Medium

Lucas Foster
Used 1+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an open number line?
A number line with only positive numbers
A number line that is blank before use
A number line with only negative numbers
A number line with fixed numbers
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you use an open number line to solve 6 + 3?
By making three jumps of 1 or one jump of 3
By making three jumps of 2
By making two jumps of 4
By making one jump of 9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean to decompose a number?
To add it to another number
To subtract it from 100
To break it into smaller parts
To multiply it by 10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it useful to decompose numbers when using an open number line?
It makes the number line longer
It makes the numbers smaller
It changes the final answer
It helps in making calculations easier
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the benefit of using friendly numbers on an open number line?
They make calculations more complex
They simplify the addition process
They increase the number of steps
They make subtraction easier
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does compensating a number mean in the context of an open number line?
Adding or subtracting a little to make calculations easier
Multiplying the number by 2
Dividing the number by 10
Ignoring the number completely
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might you start with the larger number when using an open number line?
To cover more ground quickly
To avoid using the smaller number
To make the number line shorter
To make the number line longer
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