Rounding (whole numbers)
384
Round to the nearest 10
380
582,634
Tens:
3
What does the equal sign (=) mean when comparing two numbers?
A symbol that means “is the same value as.”
Martin places his baseballs on 5 shelves with 3 on each shelf. How many baseballs are there in all?
5 x 3= 15 baseballs in all
Melissa has 147 songs on his MP3 player. Susan has 212 songs on her MP3 player. How many songs do Melissa and Susan have in all?
359
253
Round to the nearest 100
300
104, 462
What is the value of 2?
Ones
What is this symbol and what does this symbol mean?
<
Less than symbol - a symbol that is used to compare two numbers when the first is less than the second.
Luke plants 4 rows of flowers. Each row has 6 flowers. How many flowers did Luke plant in all?
4 x 6 = 24
Brett has 215 photos on his phone. Sara has 173 photos on her phone. How many photos do Brett and Sara have in all?
388
Round 608 to the nearest hundreds place
600
576, 249
What is the value of 6?
Thousands
What is this symbol and what does this symbol mean?
>
Greater than symbol - a symbol that is used to compare two numbers when the first is greater than the second.
A store has 24 saltwater fish. The store has 4 tanks for the fish. Each tank has an equal number of fish. How many fish are in each tank?
6 fish in each tank
In a display for a flower show, there are 247 carnations and 135 roses. How many more carnations than roses are in the display?
112
Round 1,820 to the nearest thousands place
2,000
576, 249
What is the value of 7?
Ten thousands
Students in Ms. Kaye's math class are divided into teams. Each team collects points by doing projects and playing math games. Team A has 1,347 points. Team B has 1,295 points. Which team has more points?
Write the answer using the comparison symbol
1,347 > 1,295
Team A has more points
Jenna has 30 photos of her friends. She puts 6 photos on each page in her album. How many pages does Jenna use?
Jenna uses 5 pages.
There are 984 cookies and 324 muffins in a bakery. How many more cookies than muffins are in the bakery?
660
Round 61,008 to the nearest ten thousands place
60,000
How many ten thousands are in the following number?
293, 000
9 ten thousands
There were 23,643 fans at a football game last week and 23,987 fans at a football game this week. Which game had fewer fans?
Use the comparison symbol in your answer
23,643 < 23,987
Last week’s game had fewer fans.
There are 9 drawing kits on a table in the art room. Each kit has 4 pencils. How many pencils are there in all?
There are 36 pencils
Garrett has 130 trading cards. Mark has 280 trading cards. How many trading cards do Garrett and Mark have together?
410