Order decimals Least to Greatest
1.23, 1.3, 1.2, 1, 1.25, 1.56
1, 1.2, 1.23, 1.25, 1.3, 1.56
100
Estimate the number to the hundredths.
3,567.2575
3,567. 26
100
3.3 + 0.7
4
100
0.2 x 0.12
.024
100
Collette wants to add wallpaper boarder along the top walls of her room. The distance around her room is 20.4 meters. What is the length of each wall in Collette's room?
5.1 meters
200
Write in standard and say this number
31.94
30 + 1 + 0.9 + 0.04
Thirty one and ninety four hundredths
200
Estimate to the tenths to find the sum
3.92 + 6.48
3.9 + 6.5 = 10.4
200
8.9 - 4.2
4.7
200
8.85 / 3
2.95
200
There are 352 students graduating from high school. The photographer takes one picture of each student as the student receives his or her diploma. If the photographer has 36 pictures on each roll of film, how many rolls will she need to buy for each student?
10 rolls of film
300
Which is larger?
8.4 or 8.403
8.403
300
Timmy runs every Monday, Wednesday and Friday. Last week he ran 3.62 miles on Monday, 3.8 miles on Wednesday and 4.3 miles on Friday. About how many miles did he run last week? (nearest whole number)
4 + 4 + 4 = about 12 miles
300
With a time of 60.35 seconds, Hallie broke Kristinn's record for swimming the 100 meters. If in the next time they raced, Kristinn broke Hallie's new record with a time of 59.30 seconds, how much faster was Kristinn?
1.05 seconds
300
Mrs. Bass's family drove 329.44 miles. Mrs. Bass calculated that the car averaged 28.4 miles per gallon of gas. How many gallons of gas did the car use?
11.6 gallons of gas
300
Hyrum has $567.89 in his checking account. After he deposited his pay check and paid his rent of $450.00, he had $513.82 left in the account. how much was his paycheck?
$395.93
400
Order Greatest to least
.34, 1.43, 4.034, 1.043, 1.424
4.034, 1.43, 1.424, 1.043, 032
400
Celeste recorded the rainfall during three months. The rainfall in July, August and September was 16.76 cm, 13.97 cm and 15.24 cm. About how many total cm of rainfall was there during those three months? (whole number)
15 +17 + 14 = 46 cm
400
A fire helmet must be sturdy enough to protect the firefighter's head from dangerous objects and extremely hot temperatures while still being as lightweight as possible. One fire helmet weighs 1.616 kg, and another helmet weighs 1.403 kg. Whats the difference in weights?
0.213 kg
400
Ms. Roys uses 1.6 liters of gasoline each hour mowing lawns. How much gas do I use in 5.8 hours?
9.28 Liters
400
The distance around a square photograph is 12.8 cm. What is the length of each side of the photograph?
3.2 cm
500
Osium and iridium are precious metals. The density of osium is 22.58 g/cm cubed, and the density of iridium is 22.56 g/cm cubed. Which is denser? Why?
Osium
500
Alexis is in Washington. She calls her grandmother in Venezuela and speaks for 20 min. Then she calls her friend in Japan and talks for 15 min, and finally calls her mom in San Fransisco for 30 min. If it costs 22 cents per min to call Venezuela, 7.9 cents per min to call Japan and 3.7 cents per min in the US, about how much money did Alexis spend?
20 (20) + 15 (8) + 30 (4) = 640 cents = $6.40
500
Michael wants to buy a new bike that costs $135. He started with $14.83 in his savings account. Last week he deposited $15.35 into his account. Today, he deposited $32.40. how much more money does he need for his bike?
$72.42
500
Evaluate
(5.7 + a) x ( 9.75 - b)
A = 2.3 and B = 7.25
(5.7 + 2.3) x (9.75 - 7.25) = 8 x 2.5 = 20
500
Megan has earned $45.20 by mowing lawns for his neighbors. She wants to buy inline skates that cost $69.95. Write and solve an equation to find how much more money Megan must earn to buy the skates.