MyOpenMath
.pdf
keyboard_arrow_up
School
Texas A&M University, Kingsville *
*We aren’t endorsed by this school
Course
1314
Subject
Mathematics
Date
Apr 29, 2024
Type
Pages
18
Uploaded by KidStar1534 on coursehero.com
Review Test 4
Lacie Ximena Lugo
Question 1
1/1 pt
1
99
Question 2
0.9/1 pt
2
99
Identify the decimal labeled with the letter A on the scale below.
0
|
1
|
A
Letter A represents the decimal 0.25
Question Help: Worked Example 1
Visualizing Adding Decimals
Use the given shaded decimal grids to answer the questions.
Note:
One 10 by 10 grid is the unit. So one orange strip is one tenth or and one yellow square is on
hundredth or .
Grid A
Grid B
In Grid A,
a) There are 3
orange strips shaded
b) There are 3
yellow squares shaded.
c) Write the region shaded in Grid A as a decimal.
0.33
In Grid B,
a) There are 2
orange strips shaded
b) There are 5
yellow squares shaded
c) Write the region shaded in Grid B as a decimal.
0.25
To sum the values represented in the grids, we will combine their values.
a) There are a total of 5
orange strips in Grids A and B combined.
b) There are a total of 8
yellow squares in Grids A and B combined.
c) Write the combined amount in Grids A and B as a decimal. 0.58
Shade the combined amount from Grids A and B in the 10 by 10 grid below.
Question 3
1/1 pt
2
98
Question Help: Video 1
Video 2
Video 3
Visualizing Decimals
Use the given shaded decimal grids to answer the questions.
Note:
One 10 by 10 grid is the unit. So one orange strip is one tenth or and one yellow square is
one hundredth or .
Grid A
Grid B
In Grid A,
Write the region shaded in Grid A as a decimal.
0.35
Write the region shaded in Grid A as a reduced
fraction. 20
7
In Grid B,
Write the region shaded in Grid B as a decimal.
0.24
Write the region shaded in Grid B as a reduced
fraction. 25
6
Question Help: Video
Question 4
1/1 pt
2
99
Question 5
1/1 pt
2
99
Rounding Decimals
Round using the place value method. Fill in the place value chart to aid your work.
Place in the place value chart
ones
.
tenths
hundredths
thousandths
2
.
7
9
7
Round to the
nearest tenth:
2.8
Place in the place value chart
ones
.
tenths
hundredths
thousandths
2
.
8
6
6
Round to the
nearest hundredth:
2.87
Place in the place value chart
ones
.
tenths
hundredths
thousandths
5
.
5
8
6
Round to the
nearest whole number:
6
Question Help: Video
Written Example
Question 6
1/1 pt
2
99
Rewriting Base-10 Fractions as Decimals
Did you watch the video above?
Yes
No
Math Antics - Converting Base-10 Fractions
Math Antics - Converting Base-10 Fractions
Question 7
1/1 pt
2
99
Question 8
1/1 pt
1
98
Writing Fractions as Decimals
Place the fraction in the place value chart and use the chart to rewrite your number as a decimal.
Note: Do not leave any place values blank. Use 0 when appropriate.
Place in the place value chart
ones
.
tenths
hundredths
thousandths
0
.
9
0
0
Write as a
decimal:
0.9
Place in the place value chart
ones
.
tenths
hundredths
thousandths
0
.
3
6
0
Write as a
decimal:
0.36
Place in the place value chart
ones
.
tenths
hundredths
thousandths
0
.
6
2
5
Write as a
decimal:
0.625
Question Help: Video
Written Example
Convert 0.98 to a simplified fraction or mixed number.
50
49
Question Help: Video 1
Video 2
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
- Access to all documents
- Unlimited textbook solutions
- 24/7 expert homework help