
Operations and Rules for Decimals

Interactive Video
•
Mathematics
•
7th - 8th Grade
•
Hard

Thomas White
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of this video tutorial?
Operations with decimals
Geometry basics
Understanding fractions
Solving algebraic equations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When adding or subtracting decimals, what is crucial to ensure?
Using a calculator
Ignoring the decimal points
Rounding all numbers
Aligning the decimal points
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if the numbers have different lengths when subtracting decimals?
Add zeros to the shorter number
Ignore the extra digits
Round the longer number
Subtract without aligning
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you verify your subtraction result?
By multiplying the result by the subtrahend
By adding the result to the subtrahend
By subtracting the result from the subtrahend
By dividing the result by the subtrahend
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is different about multiplying decimals compared to adding them?
You align the decimals first
You ignore the decimals initially
You round the numbers first
You subtract the decimals
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine where to place the decimal in the product of two decimals?
By ignoring the decimals
By counting the total number of decimal places in both numbers
By aligning the decimals before multiplying
By rounding the product to the nearest whole number
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in dividing decimals?
Round the numbers
Subtract the decimals
Move the decimal point in the divisor
Align the decimals
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you make the divisor a whole number in decimal division?
By subtracting decimals
By rounding up
By moving the decimal point
By adding zeros
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you check your division result?
By dividing the quotient by the divisor
By subtracting the quotient from the divisor
By multiplying the quotient by the divisor
By adding the quotient to the divisor
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