Lesson 1: Place Value
A single number that makes up a larger numeral.
What is a digit?
A period to the right of the ones place that tells you anything to the right is a fraction of a whole.
What is a decimal point?
A way to express a number by adding the value of each digit.
What is expanded form?
Identifying whether a number is greater than, less than, or equal to another number.
What is to compare?
To find a value close to the correct answer, usually by rounding.
What is estimate?
A three-digit grouping of a number that is separated by a comma.
What is a period?
A number expressed using only words.
What is written form?
600+40+3+1/10+7/100+8/1000 in standard form.
What is 643.178?
4.3 is equal to 4.30 because the zero is a place holder.
Why are 4.3 and 4.30 equal?
To make a number simpler or shorter by replacing it with a value close tot he original number.
What is rounding?
A number written out using its digits.
What is standard form?
In the number 143.259, this number is in the hundredths place.
What is 5?
502.39 in expanded form.
What is 500+2+3/10+9/100?
5.6 ___ 5.62
What is less than?
697,286 = 697,300
What is rounding to the nearest hundred?
In the number 7,938,304,518 which number is in the ten thousands place?
What is the 0?
0.7 in fraction form.
What is 7/10?
952.663 in expanded form.
What is 900+50+2+6/10+6/100+3/1000?
21.53 ___ 21.506
What is greater than?
59 + 52 = 110
What is estimating the sum of 59 and 52?
The number 8.
What is a composite number?
738/1000 in decimal form.
What is 0.738?
930.582 in expanded form.
What is 900+30+5/10+8/100+2/1000?
4,000+500+60+2 ___ 4,571
What is less than?
672 - 568 = 100
What is estimating the difference between 672 and 568?