Preskoči na glavni sadržaj

Sign up for FREE

Algebra 1 8-4 Guided Practice: Multiplying Special Cases

Posljednje ažuriranje about 4 years ago

14

18

10

10

10

10

Pitanje 1

1.

Solve It! You are making square invitations for a party. You start with a piece of paper with 6-in. sides. You reduce both its length and its width by x, as shown. What is the area of the invitation? Use the math panel to input your response in standard form. Do not add spaces when using the math input panel.

A.APR.1

Pitanje 2

2.

10

Pitanje 3

3.

Problem 1 Got It?

A

B

C

D

A.APR.1

10

Pitanje 4

4.

Problem 1 Got It?

A

B

C

D

A.APR.1

10

A.APR.1

5

Pitanje 6

6.

Take Note: To apply the mental math strategy from Problem 3 to 21^2, what equivalent binomial expression can be used?

(20+1)^2

(21)^2

(21+3)^2

Pitanje 7

7.

Problem 3 Got It? What is 85²? Use mental math. Enter only a number.

Pitanje 8

8.

Problem 3 Got It? Reasoning: Is there more than one way to find 85² using mental math? Explain your reasoning.

Pitanje 9

9.

10

Pitanje 10

10.

Problem 4 Got It?

A

B

C

D

A.APR.1

10

Pitanje 11

11.

Problem 4 Got It?

A

B

C

D

A.APR.1

10

Pitanje 12

12.

Problem 4 Got It?

A

B

C

D

A.APR.1

10

Pitanje 13

13.

Problem 5 Got It?

A

B

C

D

A.APR.1

10

Pitanje 14

14.

Take Note: Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?

Pitanje 5

5.

Problem 2 Got It? In Problem 2, suppose the brick walkway is 4 ft wide. What is the area?