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Activities for the Mathematics ClassroomPowerPoint Presentation

Activities for the Mathematics Classroom

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### Activities for the Mathematics Classroom

Gregory Fisher, Mt. Tabor High School,

Winston-Salem NC, [email protected]

http: www.wsfcs.k12.nc.us/Domain/798

About Me

- Davidson Graduate many years ago (Mascot)
- Taught Middle School ESL in Japan, Middle School ESL in Korea, Middle School Japanese in Winson-Salem, High School Math in Mexico, Middle School Math in Brazil, and High School Science in Winston-Salem
- Currently Teaching Algebra I, Integrated II, and Honors Algebra II
- NBCT and Burroughs Wellcome Fund Career Award in Science and Mathematics Teaching Award recipient

Runner or Normal Bingo

A

1: 32 7: 16

2: All Real Numbers 8: 3x + 2

3: y > 3 9: 3(x + 2)

4: 26 etc…

5: Octagon 29: 5x

6: 180 (n – 2) 30: No solution

A. What is (-4)2

B. Simplify 3x + 2x

Four in a Row

X?: What is 2 + 2

X: 2 O: 4

O goes

O?: What is 3 + 2

X: 4 O: 5

O goes

X?: What is 4 + 2

X: 6 O: 6

X goes

(x question)

X

O

O

With “gravity”

Without “gravity”

Slap Jack

Rules for SlapJack

- First person to touch a correct rectangle gets 2 pts.
- Anyone touching an incorrect rectangle loses 1 pt.
- Anyone touching a correct rectangle on first try (but not the first to touch gets 1 pt.)
- Each group monitors themselves and determines the points per individual. Person with fewest letters in last name keeps score.
- No whining and no writing on the sheet!

Grumble

Complain for 75 seconds. If you can’t think of anything to complain about then just say “Grumble.”

Puzzle

*3+27

101

*100+2

*3+27

7

10

6

12

*100+2

*4+2

* 95 + 6

* 1 + 1

101

2

10

*3+7

*3+27

*3+7

6 + 9

*3+27

*100 + 2

* 100+2

2

*100+2

6

*100+2

* 9 + 6

* 95 + 6

Dominoes (Not the Pizza)

Start

3x = 6

{2}

5x = -25

{-5}

3x = 3x+2

No solution

6x=30

I

L

T

E

{5}

x = 3x+2

{-1}

Finish

S

N

No solution

6x=30

E

{-5}

3x = 3x+2

{5}

x = 3x+2

T

S

{2}

5x = -25

{-1}

Finish

L

N

Fisher Says

If I say “Fisher Says” then model what I say

If I don’t say “Fisher Says” then “Freeze!!!”

y = x

y = x2 + 1

y = 3

End behavior of

y = -x6+ 5x -2

x = 3

y = x + 1

End behavior of

y = x7+ 5x -2

y = |x| + 1

y = -|x| + 1

Vocabulary Recall

You say your card and then someone else’s card. Then that person says his card and then someone else’s….

Fish

Pig

Sakana

Buta

Cat

Teacher

Neko

Sensei

Vocabulary Recall

Pythagorean Theorem

Midpoint

x2 + x1 Enter divided by 2, y1 + y2 enter divided by 2

a2 + b2 = c2

Vertex

Altitude

Minimum or maximum of a parabola

Segment perpendicular to opposite side from vertex

B

Black: (x – 6)

Blue: (x + 2)

Brown: (5x + 2) Green: (x + 7)

Gray: 3x

Orange: 2x

Pink: (2x + 1)

Red: (x + 5)

White: (x - 3)

Yellow: (x – 1)

E

C

D

F

J

H

I

K

G

Color by Number(x + 4)(x + 2)

Blue

Partner Activity

Set 1A

2x = 4

5x = -10

4x = 16

8x = -24

Set 1B

9x = 36

4x = -12

8x = 16

10x = -20

2

-2

4

-3

A. 4

B. -3

C. 2

D. -2

1-C 2-D 3-A 4-B

Set 2A

5.

6.

7.

8.

Set 2B

I.

J.

K.

L.

Unlimited Problems

Create problems (mult. & exponent power)

with solution of 15x2y3

Example:

ANSWER: 15x2y3 with mult. of variables & bonus for using the power rule of exponents

Group 1 Group 2

a) 5xy3 (3x) 0 pt (same) a) 15x2*y3 1pt

b) 3x(5y3)(x) 1 pt b) 5*3*x*y*y2 1pt

c) ½(30x2y2)(y) 1 pt c) 12 + 3x2y3 -1 pt (incorrect)

d) 3(5x)(y3) -1 pt (incorrect)d) 5xy3(3x) 0 pt (same)

e) (5xy)2y 2 pts (bonus) e) 3x2y3 + 12x2y3 0 pt

f) 3*5*x*x*y*y*y 1 pt

Total 4pts Total 1 pt

Partner Relay (One person is L(x) and the Other is R(x)

R(x) = x2 – 6x + 7

L(x) = -5x – 2

=L(R(3) ) = L(32 – 6(3) + 7)

= L(-2) = -5(-2) – 2= 8

L o R(3)

=R( -5(2) – 2) = R(-12) =

(-12)2 – 6(-12) + 7 = 223

R(L(2))

Lo R(x)

L(R(x) = L(x2 – 6x + 7)

= -5(x2– 6x + 7) - 2

= -5x2 + 30x – 35 -2

= -5x2 + 30x - 37

Human Number Line (not on handout)

Have the students arrange the cards (or themselves) from smallest to largest…

Example

-42 (-4)2 Log28 Log21/8

3.14 Pi i2 70

1+1+1+1+1+1+1*0 4-2 Log30

Two Truths and a Fib

The product of a rational number and an irrational number is sometimes rational.

Lines are sometimes functions.

x2 is always greater than x.

Students can do this with groups creating three problems…

Project Ideas (go to website for details)

Dodecahedron Collage

Graphing Project

Water Fountain

Model Home

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