Get to the Point
A numbering system based on 10 in which the value of each place is 10 times as much as the place to its right and 1/10 the value of the place to its left
What is base 10 place value system?
A way to write a number that shows the value of each digit. For example, 7,329 = 7,000 + 300 +20 + 9
What is expanded form?
Caroline’s mom spent $14.82 at the gas station. What is the value of the 8 in this number?
a) (8x10)
b) (8x1)
c) (8x0.1)
d) (8x 0.01)
c) (8 x 0.1)
One of the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 used to write numbers
What is a digit?
The dot used to separate the ones place from the tenths place in a decimal number.
What is a decimal point?
A way to write a number that shows the value of the digits as a sum of each digit multiplied by its place value (tents, ones, tens, hundreds, etc…)
For example, 35.7 = (3x10) + (5X1) + (7X.1)
What is expanded notation?
What place value is the 3 in 746,832,416?
What is ten thousands?
What does value mean?
How much something is worth
A number that uses a decimal point to show tenths or hundredths.
What is a decimal number?
A number written with one digit for each place value.
What is standard form?
What is the place value of the 1 in the number 37,893.12
What is the tenths place?
The set of counting numbers and zero (0,1,2,3,4…)
What are counting numbers?
The value determined by the position of a digit in a number.
What is place value?
A way to write a number using words
What is word form?
Look at the number 642,793,158.62
Name the place value for the following digits: 4, 7 and 3
The 4 is in the ten millions place. The 7 is in the hundred thousands place. The 3 is in the thousands place.
Write this number in expanded notation: 12,529
(1x10,000) + (2x1,000) + (5x100) + (2x10) + (9x1)