
Decimal Operations: Adding and Subtracting Review
Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Lucas Foster
Used 1+ times
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step when adding or subtracting decimals?
Round the numbers
Line up the decimal points
Multiply the numbers
Convert to fractions
Tags
CCSS.5.NBT.B.7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to add missing zeros when adding or subtracting decimals?
To make the numbers look bigger
To convert the numbers to whole numbers
To ensure the decimal points are aligned
To make the calculation easier
Tags
CCSS.5.NBT.B.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When adding decimals, what should you do if the numbers have different lengths?
Ignore the extra digits
Round the longer number
Add missing zeros to the shorter number
Convert both numbers to fractions
Tags
CCSS.5.NBT.B.7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of adding decimals, what is the result of 3.87 + 1.025?
4.895000
4.895
4.8950
4.89500
Tags
CCSS.6.NS.B.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When multiplying decimals, what should you do at the end of the calculation?
Line up the decimal points
Round the result
Count the decimal places
Add missing zeros
Tags
CCSS.6.NS.B.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When multiplying decimals, do you need to line up the decimal points?
Only if the numbers are the same length
Sometimes
Yes
No
Tags
CCSS.5.NBT.B.7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of multiplying decimals, how many decimal places are in the final answer if the top number has one decimal place and the bottom number has one decimal place?
One
Two
Three
Four
Tags
CCSS.6.NS.B.3
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