Decimal Concepts
Adding and Subtracting with Decimals
Multiplying and Dividing with Decimals
100
What word represents a decimal in the word form?
What is and.
100
Estimating decimals is similar to what?
What is estimating whole numbers.
100
When multiplying with decimal numbers, how do you determine where the decimal point goes in the product?
What is place the decimal point in the answer so that the answer has the same number of digits after the decimal in the factors.
200
Rounding decimals is similar to what?
What is rounding whole numbers.
200
What is the first step when adding or subtracting decimals?
What is line up the decimal points.
200
When you multiply decimal numbers is your product greater or less than the factors?
What is less than.
300
When comparing and ordering decimals, what can you add to numbers so that they all have the same number of digits to the right of the decimal point?
What is annexing zeros.
300
Simplify 7.5 - 0.492.
What is 7.008.
300
When dividing, how do you change a remainder into a decimal?
What is add annexing zeros and continue dividing.
400
What notation can we write really smal lor large numbers in?
What is scientific notation.
400
Solve 11.6 - b = 8.3.
What is b = 3.3.
400
What must you do to divide a divisor with a decimal in it?
What is multiply it by a base 10 number until it is a whole number and do the same thing to the dividend.
500
What are the two factors in scientific notation?
What is a decimal number and an exponent.
500
What is the number being divided by the divisor called?
What is the dividend.
500
Solve 9b = 8.1
What is b = 0.9
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