UNIT 3
Getting Ready
UNIT 3
Getting Ready
Use some or all of these exercises for
formative evaluation of students’
readiness for Unit 3 topics.
Answer each item. Show your work.
Prerequisite Skills
• Solving a linear equation
(Item 1) 8.EE.C.7b
• Graphing a linear equation
(Item 2) HSA-CED.A.2
• Finding slope and writing an
equation for the graph of a line
(Items 3–5) 8.EE.B.6
• Describing the pattern of a sequence
(Item 6) 4.OA.C.5
• Draw a right triangle
(Item 7) 4.G.A.2
• Finding the measure of an angle
(Item 8) 4.MD.C.6
• Finding the circumference of a circle
(Item 9) 7.G.B.4
8. Use a protractor to find the measure of each
angle.
2. Graph y = 3x - 3 and label the x- and
y-intercepts.
a.
3. Find the slope of a line that contains the points
(5, -3) and (7, 3).
4. Write the equation of a line that has slope 1
3
and y-intercept 4.
10
y
8
c.
6
4
2
–10 –8 –6 –4 –2
y
–2
2
4
6
8
10
x
–4
–8
3
–10
2
1
1
2
(1, 0)
–1
3
4
5
x
6. Describe a pattern shown in this sequence, and
use the pattern to find the next two terms.
9. A circular fountain has a radius of 11 feet.
What is the approximate circumference of
the fountain? Round your answer to the
nearest foot.
7, 15, 23, 31, 39, ? , ? , . . .
–2
–3
–4
(0, –3)
–5
3. 3 or 3
1
4. y = 1 x + 4
3
5. y = 2x + 3
6. Each term is 8 more than the term
before it. The next two terms are
47 and 55.
7. Sample drawing.
leg
hypotenuse
210 SpringBoard® Integrated Mathematics I, Unit 3 • Lines, Segments, and Angles
Getting Ready Practice
leg
8. Measurements may vary slightly.
a. 65°
b. 100°
c. 150°
9. 69 ft
210
For students who may need additional instruction on
one or more of the prerequisite skills for this unit,
Getting Ready practice pages are available in the
Teacher Resources on SpringBoard Digital. These
practice pages include worked-out examples as well as
multiple opportunities for students to apply concepts
learned.
SpringBoard® Integrated Mathematics I, Unit 3 • Lines, Segments, and Angles
© 2017 College Board. All rights reserved.
–6
© 2017 College Board. All rights reserved.
5
4
–5 –4 –3 –2 –1
b.
5. Write the equation of the line graphed below.
Answer Key
1. a. x = 2
b. x = 6
c. x = 5
4
2. a.
7. Draw a right triangle and label the hypotenuse
and legs.
1. Solve each equation.
a. 5x - 2 = 8
b. 4x - 3 = 2x + 9
c. 6x + 3 = 2x + 8