Add/ Subtract Decimals
Problem Solving
expanded notation/ written form/ standard frorm
Comparing/ ordering decimals
Rounding decimals
100
Tara made $78.32 last week and $64.12 this week. How much has Tara made in the last two weeks?
142.44
100
Zach has 15 math problems to do for homework. He has completed p problems so far. He has 9 left to do. How many math problems has Zach already completed?
6 problems
100
What is the value of the digit 7 in the decimal 108.427
7 thousandths
100
Put the following in order from greatest to least:
17.80, 17.08, 17.82
17.82>17.80>17.08
100
Round 17.38 to the nearest tenth
17.4
200
The depth of a pond was 18.035 feet. One month later it was 17.06 feet. How much did the depth change?
.975
200
Janet has read all but the last 58 pages of a book. The book has a total of 125 pages. How many pages has Janet already read?
67 pages
200
During the two thousand Olympics Michael Phelps received a gold medal for swimming the 100-meter butterfly in 51.214 seconds. How would Michael’s time be represented in written form?
fifty-one and two-hundred fourteen thousandths
200
Put the following in order from least to greatest:
24.97,24.09,24.9
24.09<24.9<24.97
200
Round 36.389 to the nearest hundredth
36.39
300
To decorate a candy wreath for a nearby nursing home, the eight-graders bought 3.1 pounds of candy canes, 11.6 pounds of various miniature candy bars, and 8.75 pounds of hard candies. Estimate the total weight of the candy bought for the wreath?
24
300
A family spent $95.50 at the fair. * They spent $35.64 on tickets and $48.82 on food.
* They spent the rest of the money on parking.
How much money did they spend on parking?
$11.04
300
What is 5.806 in expanded notation?
(5x1)+(8x.1)+(6x.001)
300
Students were told to get in order from shortest to tallest for their class picture. Which of the following shows the student’s heights correctly ordered?
a. 48.2in, 48.6in, 48.66in, 49in
b. 49in, 48.66in, 48.6in, 48.2in
c. 48.2in, 44.3in, 44.22in, 41.3in
d. 48.2in, 51.3in, 41.5in, 50in
a. 48.2in, 48.6in, 48.66in, 49in
300
Round 82.497 to the nearest hundredth
82.50
400
Marsha bought a birthday card for $2.86 and a pen for $1.57. She paid with a $20 bill. How much change should Marsha have received?
$15.57
400
Erik was driving to work. He lives 5.9 miles away from work, but he has to stop at the gas station on his way to work. The gas station is 1.2 miles from his house. How far is the gas station from where Erik works?
4.7 miles
400
How is one and sixty-nine thousandths written in standard form?
1.069
400
Joey recorded the rainfall for four days this month.
List the correct order from LEAST to GREATEST.
1.001<1.2<2.125<2.36
400
Cason's race time in an R/C car race was 73.936 seconds. What is this number rounded to the nearest whole number?
74
500
Kayla went shopping on Saturday afternoon. She had a total of $200 to spend on school clothes. At the mall, she bought two pairs of jeans for $24. 99 each, two T-shirts for 9.75 each, and a pair of shoes for $39.18. She spent the rest of the money on tennis shoes and a backpack. About how much money did Kayla’s tennis shoes and backpack cost?
$90.00
500
After adding $70.50 to her bank account, Keesha had a total of $112.30. How much money did Keesha have in her bank account before adding $70.50?
$41.80
500
A bank received a check for two thousand, six hundred nine dollars, and seventy-five cents. How is this number written in expanded notation
(2 × 1,000) + (6 × 100) + (9 × 1) + (7 × 0.1) + (5 × 0.01)
500
Compare the following rational numbers.
1.580 ____ 1.6
Which symbol makes this statement true?
<
500
A computer rounded the number 129.257 to the nearest hundredth. What is this number rounded to the nearest hundredth?
129.26