Decimal Order/ Different Decimal Forms
Decimal Estimation
Decimal Multiplication and Division
Decimals with Variables
MISCELLANEOUS
100
Order these decimals from largest to smallest: 4.6, 4.2, 4.7?
4.7, 4.6, 4.2
100
Estimate 3.13+6.90 by rounding to the nearest tenth.
10
100
What is the last step for multiplying decimals?
Count the number of numbers to the right of the decimal and place a decimal that many numbers from the right in your answer.
100
31.93+r=37.87
r=5.94
100
The area of the rectangular pool is 15.5 square feet and the length of the pool is 5 feet. What is the width of the pool?
width: 3.1 feet
200
Write 3.024 in expanded form.
3+0.0+0.02+0.004
200
Estimate 9.01-6.34 by rounding to the nearest ones.
3
200
4.12 x 3
12.36
200
h-45.098=16.7
h=61.798
200
What is the formula for the area of a rectangle?
length x width
300
Write 5.02 in word form.
five and two hundredths
300
Using compatible numbers, estimate 49.64 x 3.12.
round up to fifty and down to three 50 x 3=150
300
8.64/2
4.32
300
d/38.9=3.6
d=140.04
300
A dozen donuts costs $1.25, how many dozens can you buy if you have $6.90?
Only five dozens... (bonus question)
400
Order these decimals from least to greatest: 4.100, 4.0001, 4.001, 4.010,
4.0001, 4.001, 4.010, 4.100
400
Using compatible numbers, estimate 98.76/18.07.
round up to 100 and up to 20 100/20=5
400
4.12 x 100 and tell me how you solved it without doing the multiplication algorithm.
412, count the number of zeros then move the decimal to the right the number of zeros you have.
400
67.98f=285.516
f=4.2
400
Write 8.093 in word form.
eight and ninty-three thousandths
500
Write seventy-two and three hundred fifty-five hundred thousandths in standard form and expanded form.
standard: 72.00355 Expanded: 70+2+0.0+0.00+0.003+0.0005+0.00005
500
Skylar rode her bike 31.9 miles, drove her car 34.8 miles, and bounced on her pogo stick 27.9 miles (she was exhausted after this). Estimate the number of miles she covered (bike, drive, and bounce) in all. Hint: You might need to round these numbers to a number they are all close to and then multiply...
30 x 3 = 90 miles
500
Alyssa has 485.63 ft. of rope and she wants to make rope swings for the gym at school. Each rope swing must be 43.5 feet long, how many rope swings can Alyssa make?
485.63 / 43.5 =11.16, so Alyssa can only make 11 rope swings because... (bonus points :))
500
Aaron's receipt from the comic book store had a total of $35.67. He bought three comic books, the first one costed $15.13, the second one costed $4.89, how much did the third comic book cost? Set up an equation and solve.
15.13+4.89+C=35.67 C= 15.65
500
Evaluate 22.88x when x=11.44 and x=4
x=2 and x=5.72
M
e
n
u