Topic 1 - Place Value
What is 2 x 105
200,000
Kayla's dollhouse has 15.15 square feet downstairs and 6.45 feet upstairs. What is the estimated total area if you round the decimals to the nearest tenth?
21.7
Dr. Peterson works 178 hours each month. How many hours does she work in a year?
2,136
A credit card is 0.76 mm thick. How thick is a stack of 103 credit cards?
760 mm
Eddys plum weighs 3.042 ounces. Desta's plum weighs 3.24 ounces. Whose plum weighs more?
Desta's
What is the value of the underlined digit? 485,002,000
80,000,000
What is the sum of 2.65 + 3.78
6.43
A banana contains 105 calories. Last week, Brendan and Lea ate a total of 14 bananas. How many calories does this represent?
1,470 calories
Multiply 3.04 x 102
304
Estimate the sum of $12.15, $16.85, and $1.74 by rounding each number to the nearest tenth.
$30.80
What is Three hundred forty-eight thousand six hundred four written in expanded form?
300,000 + 40,000 + 8,000 + 600 + 4
What is the missing addend?
4.95 + ____ = 12.1
7.15
At a warehouse, 127 delivery trucks were loaded with 48 packages on each truck. Estimate the total number of packages on the truck
50 x 130 = About 6,500 packages
One glass of lemonade has 115 calories. About how many calories are in 3.5 glasses of lemonade?
120 x 4 = About 480 calories
There are 36 large fish tanks at the zoo. Each tank holds 205 gallons of water. How many gallons of water would it take to fill all of the tanks?
7,380 gallons
Write eight and fifty-nine hundreths in standard form.
8.59
Ed is training for a race. He ran 12.56 miles on one day, 12.98 miles the second, and 13.04 miles the third day. What is his combined distance for the first 3 days?
38.58 miles
Rosanne has 142 songs on her MP3 player. Teresa has 11 times as many songs as Rosanna. How many songs does Terese have?
1,562 songs
Leo has 59 bricks each measuring 0.19 m long. He lines up the bricks to make a row. Estimate the length of Leo's row of bricks.
60 x 0.2 = about 12 m
What is the missing number in this equation?
0.031 x ___ = 31
103 or 1,000
Compare the numbers. 0.584 __ 0.58
>
How much further did he run the second day (12.98) than the first day (12.56)?
0.42 mile
Multiply 289 x 16 =
4,624
Multiply 8.32 x 1.15
9.568
The area of a fabric square is 4.85 square inches. What is the area of a quilt made with 102 fabric squares?
485 square inches