Rounding
Add or Subtract
Strategies
Patterns
Comparing Numbers
100
Tim ran 6,347 meters in a race. Round the distance he ran to the nearest hundred.
6,300
100
A company had 459,986 dollars in revenue last year. This year, their revenue increased by 498,765 dollars. What is their total revenue this year?
958,751
100
What strategy would you use if you wanted to compare the 7's in the number 7,712?
The jumps 10x greater
100
Lily has a collection of stickers. She starts with 5 stickers and adds 3 stickers each week. How many stickers will she have after 4 weeks?
17
100
Compare the numbers using >, <, or =: 9,101 ___ 9,011
>
200
Matt rounded 345,678 to the nearest ten thousand. What is Matt new number?
350,000
200
A city’s population was 905,000 people. Due to a natural disaster, 125,178 people moved away. What is the new population of the city?
779,822
200
What strategy would you use if you wanted to add 65,980 + 345,789
set it up; add it up
411,769
200
Sarah reads 15 pages on Monday, 20 pages on Tuesday, and 25 pages on Wednesday. If she continues to increase the number of pages she reads by 5 each day, how many pages will she read on Thursday?
30 pages
200
Mark has 7,652 marbles, and Jerry has 7,625 marbles. Who has more marbles?
Mark
300
Mary rounded the number of books she has to the nearest ten thousand, resulting in 30,000. What is the greatest number of books she could actually have?
34,999
300
A city had a budget of 511,057 dollars. They spent 283,089 dollars on infrastructure improvements. How much of the budget remains?
227,968
300
What strategy would you use if you wanted to compare numbers? 67,903 _____ 68,903
First, count the digits; then look at the greatest place which is the ten thousands place.
300
What is the rule?
add 4 squares each times
300
Alex has 3,452 points, Brian has 3,458 points, and Casey has 3,445 points in a game. Who has the most points? Who has the least amount of points?
Brian has the most points.
Casey has the least amount of points.
400
Melissa rounded the number of books she has to the nearest hundred thousand, resulting in 200,000. What is the greatest number of books she could actually have?
249,999
400
A bookstore had 175,489 books. They received a shipment of 56,732 more books. How many books does the bookstore have now?
232,221
400
What strategy would you use to round?
456,894 round to the nearest hundred thousand
nice numbers 0,1,2,3,4
mean numbers 5,6,7,8,9
500,000
400
The rule is multiply by 2
400
Order the numbers from least to greatest
56,897; 56,879; 55,999
55,999; 56,879; 56,897
500
Emily rounded the amount of money she saved to the nearest hundred, resulting in $1,200. What is the greatest amount of money she could have actually saved?
1,249
500
Emmanuel's school library had 253,080 books. Over the summer, they received a donation of 35,789 books. How many books does the library have now?
288,869
500
What is the difference between place and value?
What are digits?
678,975
What is the underlined digit?
What is the place of the underlined digit?
What is the value of the underlined digit?
Place is where it is located and value is how much it is worth?
Digits are 0,1,2,3,4,5,6,7,8,9
7 is the digit
ten thousands
70,000
500
What is the rule?
Add 4
500
Order these numbers from greatest to least
34,567; 33,489; 34,678; 33,999
34,678; 34,567; 33,999; 33,489