Radius

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Virginia Mathematics Checkpoint Assessment
MATHEMATICS 5.9
Strand: Measurement
Standards of Learning Blueprint Summary
Reporting Category
Number & Number Sense
Computation & Estimation
Measurement & Geometry
Grade 5 SOL
5.1, 5.2(a-b), 5.3(a-b)
5.4, 5.5(a-b), 5.6, 5.7
5.8(a-e), 5.9, 5.10, 5.11,
5.12(a-b), 5.13(a-b)
5.14, 5.15, 5.16(b-d), 5.17,
5.18(a-d), 5.19
5.16(a)
Probability, Statistics, Patterns,
Functions, & Algebra
Excluded from Testing
Number of Operational Items
Number of Field-Test Items
Total Number of Items on Test
Number of Items
7
13
12
18
50
10
60
Virginia Mathematics SOL Test Cut Scores
Failing Scores
Test
Math 3
Math 4
Math 5
Math 6
Math 7
Math 8
Algebra I
Geometry
Algebra II
Basic
# correct
% correct
16 of 40
17 of 50
18 of 50
16 of 50
17 of 50
17 of 50
n/a
n/a
n/a
40%
34%
36%
32%
34%
34%
n/a
n/a
n/a
Passing Scores
Proficient
Minimum
Minimum
# correct
% correct
26 of 40
65%
31 of 50
62%
31 of 50
62%
28 of 50
56%
31 of 50
62%
31 of 50
62%
25 of 50
50%
25 of 50
50%
27 of 50
54%
Mathematics Checkpoint 5.9
Advanced
Minimum
Minimum
# correct
% correct
36 of 40
90%
45 of 50
90%
45 of 50
90%
45 of 50
90%
45 of 50
90%
46 of 50
92%
45 of 50
90%
44 of 50
88%
43 of 50
86%
Page 1
Checkpoint Items
1. Directions: Circle the object you want to select.
Which circle shows a diameter?
Mathematics Checkpoint 5.9
Page 2
2. Directions: Draw your picture in the box provided.
Draw a circle showing an example of a chord.
Mathematics Checkpoint 5.9
Page 3
3. Directions: Draw an arrow from the definition on the left to the appropriate term on
the right.
Match the definition on the left to the appropriate term on the right.
A chord that goes through the
center of a circle
radius
A line segment connecting any
two points on a circle
A line segment from the
center of a circle to any point
on a circle
Mathematics Checkpoint 5.9
diameter
chord
Page 4
4. Directions: Circle the box you want to select.
Which correctly expresses the relationship?
The diameter of a circle is half
of a circle’s radius
The circumference of a circle
is about one times larger than
its diameter
The diameter is a chord that
goes through the center of a
circle
The radius goes from one
point on a circle to another
point on a circle
Mathematics Checkpoint 5.9
Page 5
5. Directions: Draw a line from the diameter to the appropriate radius.
Carefully consider both the diameters and radii shown. Match the diameter to its
equivalent radius based on your knowledge of the relationship between the
diameter and radius of a circle.
Diameter
Radius
12 inches
2 inches
6 inches
6 inches
14 inches
3 inches
4 inches
7 inches
Mathematics Checkpoint 5.9
Page 6
6. Directions: Complete the table below. You must include the unit of measure with your
answer.
The table below gives the diameter of various circles. Complete the missing
information on each circle’s radius based on your knowledge of the relationship
between the diameter and radius.
Diameter of the Circle
8 in
12 cm
6 in
22 cm
Radius of the Circle
Mathematics Checkpoint 5.9
Page 7
7. Directions: Complete the table below. You must include the unit of measure with your
answer.
The table below gives the diameter or radius of various circles. Complete the
missing information for each circle based on your knowledge of the relationship
between the diameter and radius.
Diameter of the Circle
Radius of the Circle
1 in
10 cm
14 in
8 cm
Mathematics Checkpoint 5.9
Page 8
Checkpoint Solutions
SOL 5.9
circle.
The student will identify and describe the diameter, radius, chord, and circumference of a
Essential Knowledge and Skills
a. Identify and describe the diameter, radius, chord, and circumference of a circle
b. Describe the relationship between
1. diameter and radius
2. diameter and chord
3. radius and circumference
4. diameter and circumference
c. The length of the diameter of a circle is twice the length of the radius
Item
Answer/Solution
SOL/EKS
Code
Essential Knowledge and Skills
Identify and describe the diameter, radius, chord,
and circumference of a circle
1
5.9a
Identify and describe the diameter, radius, chord,
and circumference of a circle
2
5.9a
*multiple variations are acceptable
Identify and describe the diameter, radius, chord,
and circumference of a circle
3
4
5
5.9a
The diameter is a chord that goes
through the center of a circle
5.9b
Describe the relationship between diameter and
chord
The length of the diameter of a circle is twice the
length of the radius
5.9c
Mathematics Checkpoint 5.9
Page 9
6
7
Diameter
of the
Circle
8 in
12 cm
6 in
22 cm
Diameter
of the
Circle
2 in
10 cm
14 in
16 cm
Radius
of the
Circle
4 in
6 cm
3 in
11 cm
Radius
of the
Circle
1 in
5 cm
7 in
8 cm
The length of the diameter of a circle is twice the
length of the radius
5.9c
The length of the diameter of a circle is twice the
length of the radius
5.9c
Mathematics Checkpoint 5.9
Page 10
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