# Algebra 1 Common Core Student Edition, Grade 8-9

(Marvins-Underground-K-12) #1
``````The Standards for Mathematical Practice
describe processes, practices, and
habits of m ind o f m athem atically
proficient students. M any of the
become m ore proficient
°A in m a th.``````

B- 4: M u l t i p l y i n g Sp e c i a l C a s e s

``P ractice — • Sen A sse ssm e n t``

``````Go t It?
A s q u a re o u td o o r p a tio is s u rr o u n d e d b y a b ric k w alkw ay a
show n. W hat is t h e a re a o f th e w alkw ay?``````

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Aferbr. Ufa
Multiply

``````-* 4
1 Jl``````

``````OK
-x + 4``````

``````Mjj
OK``````

``````Draf die tiles from flit trie B «i to model the prodiw in the riflu hand bin and cik* the

``````Want to do some more exploring? Try the Math Tools
at Po w er A l g eb r a.co m. Click on this icon H to
access these tools: G ra p h in g U tility, N u m b e r Line,
Algebra Tiles, and 2D and 3D Geometric Constructor.
With the Math Tools, you can continue to explore the
concepts presented in the lesson.``````

``````I C o m m o n C o r e S t a t e S t a n d a r d s
F-BF.B.3 Identify the effect on the graph of
replacing f(x) by /(x) + k, kf(k), f{kk), and
f(x + k) for specific values of k (both positive
___and negative)...``````

``````Concept Byte j Investigate.^
iy = mx + b``````

``[Camv 't y t t lmttO)nmg y ^ •``

``````Try a Co n ce p t By t e! In a
Concept Byte, you might explore
technology, d o a hands-on activity,
or try a challenging extension.``````

``````The text in the top rig h t corner o f the
first p a g e o f a lesson o r C o n cep t Byte
tells y o u the St an d ar d s f o r
Mathematical Content
and the St a n d a r d s f o r
Mathematical Practice fo r
the lesson.``````

``Using Your Book f or Success xi``