Place Value
How many place values are there?
an infinite amount!
Why do we estimate?
To make the math easier, to check our work
What is the answer to an addition problem called?
The sum
True or false: When subtracting, the order of numbers doesn't matter.
False!
The tenths place
Properly say this number:
512,456
five hundred twelve thousand four hundred fifty six
6 rounded to the nearest 10
10
What are the numbers you add together called?
Addends
What is the answer to a subtraction problem called?
The difference
What is the second place value position after the decimal point?
The hundredths place
Properly say this number:
22,897,348,219
twenty-two billion, eight hundred ninety seven million, three hundred forty-eight thousand, two hundred nineteen
39 rounded to the nearest 100
0
The property of addition that states the order of addends does not change the sum
The commutative property
When subtracting two numbers, the larger number should always be ________.
first
What is the third place value position after the decimal point?
The thousandths place
What is this number: CDXII
412
What place value did I round to?
4,376,255,891 -> 4,376,300,000
the hundred thousands place
The property of addition that states the sum of a number and zero is that number
The zero property
The starting number in a subtraction sentence is the...
minuend
Using base 10 blocks, two rods and 4 cubes would represent what decimal?
0.24
What is the place value of the underlined digit?
875,420,001
hundred millions
The _________ the place value you round to, the more accurate the estimate.
smaller
The property of addition that states grouping addends differently does not change the sum
The associative property
The number you subtract from the starting number is called the...
subtrahend
True or false: The place values are symmetrical across the decimal point.
False, there is no "oneths" place