Algebra Lesson Slides: 3 Slides (Grade 7)

3 Slides • 9 Questions

1

Collecting like terms

2

Multiple Choice

What is the first rule for collecting like terms?

1

Highlight the first set of like terms only

2

Highlight the first set of like terms with their +/- sign

3

Collecting like terms

Highlight the first set of like terms with its sign (+/-)
Solve this equation
Highlight the next set of like terms with its sign (+/-)
Solve this equation
Continue to repeat these steps until all set of like terms have been highlighted and solved
And...

4

Multiple Choice

What is the final rule for collecting like terms?

1

Minus the result from the first equation from the result of the second equation

2

Join the results of the 2 equations

3

Leave the equations and separate answers

5

Collecting like terms

Highlight the first set of like terms with its sign (+/-)
Solve this equation
Highlight the next set of like terms with its sign (+/-)
Solve this equation
Continue to repeat these steps until all set of like terms have been highlighted and solved
Join the results of all equations together

6

Multiple Choice

Simplify $3ab\ -7st\ +4ab\ +\ 2st$

1

$ab\ +\ 5st$

2

$7ab\ +\ 5st$

3

$-\ 5st\ -\ ab$

4

$7ab\ -\ 5st$

7

Multiple Choice

Simplify

2x^2\ -\ 5xy\ +\ 2xy\ -x

1

$2x^2\ -3xy\ -x$

2

$2x^2+3xy\ -\ x$

3

$x^2\ -\ 3xy$

8

Multiple Choice

Expand

8\left(3x^2\ -2x\ +5\right)

1

$24x^2\ +16x\ +40$

2

$16x^2-16x\ +40$

3

$24x^2-16x\ +40$

9

Multiple Choice

Expand $\left(x+2\right)\left(x+8\right)$

1

$12x\ +16$

2

$2x^2\ +10x\ +16$

3

$x^2+10x+16$

4

$x^2\ +\ 8x+2x+16$

10

Fill in the Blanks

What is the value of s?

$3s\ =\ 27$

Type answer...

11

Fill in the Blanks

$z+10=21$

What is the value of z?

Type answer...

12

Fill in the Blanks

What is the value of g? $\frac{\text{72}}{\text{g}}=9$

Type answer...

Collecting like terms

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