Austin, Texas, receives an average of 19.57 inches of precipitation each year. What is 19.57 rounded to the nearest tenth?
What is 19.6
100
The William family’s home has 1,242 square feet downstairs and 522 square feet upstairs. Which of the following is the best estimate of the total square footage in the home?
What is 1,700
100
12,673,304,000
What is twelve billion, six hundred seventy-three million, three hundred four thousand
100
seven and two tenths
What is 7.2
100
480,300,500
What is 400,000,000 + 80,000,000 + 300,000 + 500
200
There were 162,750 women who played an NCAA sport during the 2003 season. What is 162,750 rounded to the nearest ten thousand?
What is 160,000
200
Estimate: 12.1 + 9.8 + 7.3 + 10.2 + 8.9
What is 19
200
20,020,367
What is twenty million, twenty thousand, three hundred sixty-seven
200
twelve billion
What is 12,000,000,000
200
74,000,012,100
What is 70,000,000,000 +
4,000,000,000 +
10,000 + 2,000 + 100
300
In a recent year, the population of Rhode Island was 12,653,540. Which of the following is 12,653,540 rounded to the nearest ten thousand?
What is 12,650,000
300
The Leon River is about 195 miles long, and the Neches River is about 414 miles long. What is the best estimate of the sum of these distances?
What is 600 miles
300
6 + 0.7 + 0.08
What is 6.78
300
50,080,045
What is 50,000,00 + 80,000 + 40 + 5
400
On average, residents of Greece have 42 vacation days each year while residents of France have 37 vacation days per year. What shows a way to find 42 - 37 using mental math?
What is 45 - 40
400
A company invited 822 guests to a dinner, and 522 of them have replied that they will be able to attend. What is the the best way to estimate how many will not be able to attend?
What is 800-500 = 300
400
246,000,000
What is two hundred forty-six million
400
1,000 + 600 + 0.9
What is 1,600.9
400
10,000,420,000
What is 10,000,000,000 + 400,000 + 20,000
500
A library hall has 215 desks and 177 folding chairs. How many seats are there altogether? Use mental math to solve.
What is 392
500
Jenny bought a sweater for $34.99. Suzy bought the same sweater on sale at another store for $20. What is the best estimate of the amount of money Suzy saved by buying the sweater on sale?
What is $15
500
Lead melts at 327.46°C. What is the value of the 3 in 327.46? (1-3)
What is 3 hundreds
500
nine and nine hundred thousandths
What is 9.900
500
Which is greater 40,000,000,000 + 400,000 + 20,000 or
40,000,000,000 + 500,000 + 20,000