What is the first step in adding or subtracting decimals?

Decimal Operations and Alignment

Interactive Video
•
Mathematics
•
4th - 5th Grade
•
Hard

Thomas White
FREE Resource
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19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Align the numbers to the left
Align the numbers to the right
Align the decimals vertically
Align the numbers horizontally
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of aligning decimals vertically?
To ensure correct addition or subtraction
To confuse the students
To make the numbers look bigger
To make the calculation faster
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if a whole number doesn't have a visible decimal?
Subtract a decimal
Add a decimal at the beginning
Add a decimal at the end
Ignore it
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to fill in gaps with zeros when working with decimals?
To make the numbers look bigger
To ensure proper alignment of place values
To confuse the students
To make the calculation easier
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do with the decimal point when writing the answer?
Bring it down directly below the other decimals
Move it to the left
Ignore it
Move it to the right
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a crucial step when subtracting across zeros?
Adding more zeros
Ignoring the zeros
Regrouping the numbers
Subtracting directly
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of 10 minus 9 in the subtraction example?
0
9
1
10
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