Representing and Comparing Numbers
An expression is shown.
5 + 700 + 40
What number is equivalent to this expression?
745
Elisha listed the amounts she paid for guitar lessons for three months.
-February: $78
-March: $90
-April: $156
What is the amount Elisha paid for guitar lessons for these three months?
$324
What is a unit fraction?
A fraction with a numerator of 1.
EX: 1/2 1/3 1/4
On Saturday afternoon Marcus went to a swimming pool. He arrived at the swimming pool at 1:35 pm. He left the swimming pool 45 minutes later.
At what time did Marcus leave the swimming pool?
2:20 pm
True or False
The number 27 is even because the digit in the tens place is even.
False
What is the expanded form of 867?
800 + 60 + 7
There are 297 peach trees on a farm. There are 615 peach trees on a different farm. What is the difference between the numbers of peach trees on these farms?
318
Use fraction strips to correctly compare 1/6 and 1/3.
1/6 < 1/3
A triangle has a perimeter of 18 units. Each side of this triangle is the same length.
What is the length of one side of the triangle in units?
6 units
Greg had a package of 14 stars to put on 2 posters. He put the same number of stars on each poster, and he used all the stars in the package.
How many stars did Greg put on each poster?
7 stars on each poster
What is the sum of three ten thousands, five thousands, eight hundreds, two tens and four ones?
35,824
There are two lions at a zoo. The weight of the younger lion is 379 pounds. The weight of the older lion is 514 pounds.
What is the difference in pounds between these two weights?
235 pounds
Use fraction strips to determine a fraction that equivalent to 2/4.
1/2
3/6
4/8
The perimeter of a regular octagon is 72 inches. What is the length of one side of the octagon?
9 inches
What number goes in the □ to make the equation true? □× 7 = 98
14
The expanded notation of a number is shown.
(9 x 10,000) + (4 x 100) + (1 x 10)
What is the standard form of this number?
90,410
At the beginning of September, Mr. Watkins had 543 erasers.
• During September he gave his students 99 of the erasers.
• During October he gave his students 212 of the erasers.
How many erasers did Mr. Watkins have at the end of October?
232 erasers
Carter and Dane shared a package of 8 baseballs equally. What fraction of the package of baseballs did each person get?
4/8 or 1/2
Donte counted the square tiles on a rectangular floor at his school. Each tile had an area of 1 square foot. On the floor there were 9 rows of tiles and 36 tiles in each row. What is the area of the floor in square feet?
324 square feet
Write a number sentence that can be used to find the quotient to 12 ÷ 2 =
2 x 6 = 12
or
6 x 2 = 12
The expanded form of a number is shown.
90,000 + 200 + 40 + 1
What is the standard form of this number?
90,241
A movie theater has 710 seats.
• 158 seats are red.
• 247 seats are black.
• 119 seats are yellow.
• The rest of the seats are green.
How many seats are green?
188 green seats
There are four books on a shelf. Three of those books are nonfiction books.
Write an expression as a sum of unit fractions that represents the nonfiction books on the shelf.
1/4 + 1/4 + 1/4
The rectangular floor of Ms. Ragan's closet is completely covered with carpet squares. Each carpet square covers 1 square foot of the floor. There are 4 rows, and each row has 16 carpet squares.
What is the area of the floor of this closet in square feet?
Alex bought 4 packages of pink golf balls and 2 packages of orange golf balls. There were 12 golf balls in each package. How many golf balls did Alex buy?
72 golf balls