Exploring Adding and Subtracting Rational Expressions

Exploring Adding and Subtracting Rational Expressions

Assessment

Interactive Video

Mathematics

6th - 10th Grade

Practice Problem

Hard

CCSS
HSA.APR.C.4, 8.EE.A.2, 7.NS.A.2A

+2

Standards-aligned

Created by

Mia Campbell

FREE Resource

Standards-aligned

CCSS.HSA.APR.C.4
,
CCSS.8.EE.A.2
,
CCSS.7.NS.A.2A
CCSS.HSA.APR.A.1
,
CCSS.7.NS.A.2B
,
The video tutorial begins with warm-up questions involving multiplication and simplification of expressions. It introduces the concept of the difference of squares, highlighting patterns in perfect squares. The tutorial then transitions to factoring using the greatest common factor (GCF), demonstrating how to simplify expressions by identifying and dividing by the GCF. Throughout, the instructor emphasizes recognizing patterns and applying mathematical operations to solve problems effectively.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying x by x?

x

x^2

2x

x^3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do you get when you multiply 4 by -4?

0

16

-16

-8

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of 25x^2 - 1?

(25x + 1)(x - 1)

(5x - 1)^2

(5x + 1)^2

(5x + 1)(5x - 1)

Tags

CCSS.HSA.APR.C.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying 2a by 2a?

4a^2

4a

2a^2

8a^2

Tags

CCSS.HSA.APR.A.1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of 4a^2 - 9b^2?

(2a + 3b)^2

(4a - 9b)^2

(2a + 3b)(2a - 3b)

(4a + 9b)(4a - 9b)

Tags

CCSS.HSA.APR.C.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the square root of 81?

9

8

7

10

Tags

CCSS.8.EE.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the square root of 100?

11

10

9

8

Tags

CCSS.8.EE.A.2

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