Add/ Subtract Decimals
1.32+13.11=
14.43
Round 4.282 to the nearest hundredth.
4.28
Sara compares two numbers. Which shows a correct comparison?
A 3.04 > 3.1
B 3.529 < 3.04
C 3.04 = 3.10
D 3.529 >3.10
D
Matthew sharpened his pencil 4 times. Each time he shaved off 0.48 cm off the pencil. How much did he shave off in all?
1.92 cm
Raul beat his friend in a race by 23.08. Write this number in expanded notation.
(2 x 10) + (3 x 1) + (8 x 0.01)
A bag of Takis cost $0.99 and a drink cost $1.79. How much does it cost for both items?
$2.78
The Little Grass Frog is the smallest frog in North America. It is 0.437 of an inch long. Which shows the length of the frog rounded to the nearest hundredth of an inch?
Compare the following amounts. Write <, >, or = to make the statement true.
9.23 ____ 9.32
<
5.5x1.1=
6.05
Aliyah had $278.35 in her bank account. How is the amount of money written in expanded notation?
(2 x 100) + (7 x 10) + (8 x 1) + (3 x 0.1) + (5 x 0.01)
The total cost of Ms. Kingsley's lunch was $7.57. She paid with a ten dollar bill. How much change did Ms. K receive?
$2.43
The dragonfly flies at a speed of 6.974 meters per second. What is the dragonfly’s speed per second rounded to the nearest hundredth?
6.97
Which statement shows a true comparison?
A 4.7 < 4.055
B 4.055 > 4.32
C 4.7 > 4.32
D 4.055 > 4.21
C
Jessica bought 23 candy bars. Each candy bar was $1.89. How much money did Jessica spend on candy bars?
$43.47
John wrote (3 x 10) + (4 x 1) + (3 x 0.1) + (9 x 0.001) on the board. What number did John write on the board?
34.309
Jaylen drove 321.65 miles to go skating. Khmari drove 54.7 miles to go skating. How much further did Jaylen drive than Khmari?
266.95 miles
The cook uses 1.257 kilograms of meat for his famous meatballs. There are four different sizes of packages of meat at the market. Which amount is closest to 1.257 kilograms?
1.26 kg
Jamie is thinking of a number that is larger than 7.002 but less than 7.081. Which number could she be thinking of?
Teacher check... Explain your thinking!
Amount of Sugar (in grams)
Strawberries
8.2 grams
Bananas
18.5 grams
Apples
16.8 grams
Grapes
23.6 grams
If Jaden eats three cups of strawberries and two cups of grapes for lunches this week, how many grams of sugar will he eat?
71.8 grams
How do you write the the following number in expanded notation?
2.602
(2 x 1) + (6 x 0.1) + (2 x 0.001)
Ms. K bought icecream for her students. She spent $6.21 on vanilla icecream and she spent $5.98 on chocolate ice cream. If she paid with a $20 bill, How much change does she have?
$7.81
Here are insect speed flying times:
Bumblebee flies 2.861 meters per second.
Horsefly flies 3.934 meters per second
Honeybee flies 2.548 meters per second
Housefly flies 1.967 meters per second
When rounded to the nearest tenth, which two insects have the same amount of tenths?
Horsefly and Bumblebee
The length of a piece of plastic for a science kit needs to be greater than 22.25 inches but less than 22.5 inches. Which length of plastic can be used?
Teacher Check.... Explain your thinking!
The cost for a movie ticket is $5.50. A drink cost $1.25 each. What is the total cost for 13 people to each purchase a movie ticket and a drink?
$87.75
At a swimming meet Shawn’s fastest time was 23.87 seconds. Write Shawn’s time in expanded form and expanded notation.
20 + 3 + 0.8 + 0.07
(2 x 10) + (3 x 1) + (8 x 0.1) + (7 x 0.01)