Whole Numbers and Expanded Notation
Rounding Whole Numbers
Multiplication and Division
Rounding Decimals
Area/ Perimeter
100
(2 x 100,000) + (5 x 10,000) + (2 x 1,000) + (5 x 100) +(2 x 10) + (5 x 1)
What is 252,525?
100
4,185,300
What is rounding the number 4,185,270 to the nearest hundred?
100
300 x $1.25
What is $375.00?
100
.600
What is round to the nearest hundredth?
100
the portion of a line between two of its points
What is a ray?
200
604000
What is six million, forty thousand
200
777,727, 757
What is a number that has nine digits where all numbers are seven except the ten-thousands digit which is 2, and the tens digit which is 5?
200
261/30
What is 8 r 21?
200
Digits that are to the right of the decimal place.
What are decimal numbers?
200
An angle that is less than 90 degrees
What is an acute angle?
300
9080
What is (9 x 10000)+(8 x 10)
300
A number has seven digits. All the digits are 3 except the hundred-thousands' digit which is 6. the thousands' digit which is 4 and the hundreds' digit which is 7.
What is 3,634,733
300
2800/50
What is 56?
300
Some people also call them these because they can be written as whole numbers divided by 10, 100, 1000, 10,000 or more multiples of 10.
What are decimal fractions?
300
An angle that is more than 90 degrees but not any more than 180 degrees?
What is an obtuse angle?
400
22,840
What is the addition of 9056+4708+9076?
400
(7 x 10,000)+(6 x 1000)+(5 x 10)+(4 x 1)
What is 70,654?
400
25 x N=400
What is 16?
400
6123/100
What is the decimal 61.23?
400
A line formed by two different lines.
What is a perpendicular ray
500
$3.64+$0.52+$9
What is $13.16?
500
78,524+91,323+70,026+91,358
What is 331,233?
500
73+816+92+47+321+5432
What is 6781?
500
First we circle the number that we are rounding to and than add zeros to everything after it.
What is rounding?
500
This is sometimes called a Half line.
What is a ray?