Vocabulary
Scientific Notation
Decimal Operations
Metric Conversions
Place Value
100
Rounding numbers to the same value
What is clustering?
100
550,000
What is 5.5 X 10^5?
100
Don't forget to line up the decimal
What is when you are adding or subtracting decimals?
100
4,700 mL is this many L
What is 4.7 L?
100
This tells you if the place value is to the right of the decimal point.
What is "ths"?
200
Using only the whole number part of the decimal
What is front end estimation?
200
7,230
What is 7.23 X 10 ^3?
200
Don't forget to move the decimal point directly above the decimal point in the dividend?
What is when you are dividing a decimal by a whole number?
200
3.2 km is this many m.
What is 3,200 m?
200
This is the place value to round to if you are asked to round to the nearest whole number.
What is the ones?
300
Shorthand method for writing large or very small numbers
What is scientific notation?
300
1,300,000
What is 1.3 X 10^6?
300
First make the divisor a whole number
What is when you are dividing by a decimal?
300
22.8 cm is this many m.
What is 0.228m?
300
Look here when comparing decimals with the same whole number.
What is the tenths?
400
The digits in a measurement that are known with certainty
What are significant digits?
400
4.293 X 10^5
What is 429,300?
400
This is how you know where to put the decimal point in the answer when multiplying
What is count the decimal places in the numbers being multiplied?
400
8.9 L equals this many mL.
What is 8,900 mL?
400
The fifth place value left of the decimal.
What is ten thousands?
500
A one followed by 24 zeros
What is a septillion?
500
3.02 X 10^6
What is 3,020,000?
500
The quotient of a number divided by a decimal less than will always be this.
What is smaller?
500
3.2 kg is equal to this many mg.
What is 3,200,000mg?
500
Always look this direction to know wheather a number rounds up.
What is right?
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