Rules to Adding and Subtracting Decimals
Authored by Anthony Clark
Mathematics
7th Grade
CCSS covered
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18 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When adding or subtracting with decimals, you -
Move decimals out
Shift decimals 3 places over
Line up the decimals
Ignore decimals
Tags
CCSS.5.NBT.B.7
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is the FIRST step when adding and subtracting decimals?
Line up the numbers
Line up the decimal points
Add or subtract like normal
Add in placeholders
Tags
CCSS.5.NBT.B.7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the rule for adding or subtracting decimals?
Add first
Line up the decimals first, then fill in with zeros.
Move the decimal to the right the total amount of numbers after the decimal.
Subtract
Tags
CCSS.5.NBT.B.7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the rule for adding and subtracting positive decimals?
Line up the decimals and then add/subtract normally
You do not have to worry about placement of the decimal
Forget the decimal and move it that many spaces at the end
Drop it down and move it to the right once
Tags
CCSS.5.NBT.B.7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When adding or subtracting decimals, you must line up your decimal points.
TRUE
FALSE
Tags
CCSS.5.NBT.B.7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the first step when adding and subtracting decimals?
Line up the numbers
Line up the decimals
Add or subtract like normal
Add in placeholders
Tags
CCSS.5.NBT.B.7
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Do you line up the decimals when adding/subtracting
Yes
No
Maybe so
Tags
CCSS.5.NBT.B.7
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