Math Madness

Say What Shape?

100

Mental Math

A = (b*h)/ 2

TRIANGLES

200

Mental Math

A = B * H

RECTANGLE

300

Mental Math

v = B * H 

PRISMS

400

Mental Math

V = (B * H) / 3

PYRAMIDS

500

V = ((B*H/2)  * H) / 3

TRIANGULAR PYRAMIDS

Subtract!

100

Mental Math

10 - 20 

-10

200

Mental Math

Fiona wants to buy a phone charger worth $42, but she only has a $50 bill How much change will she receive?

$8.00

300

Mental Math

60 - (-30) = 

90

400

649-318

331

500

562-191

371

Add!

100

MENTAL MATH

-37 + 68 = 

31

200

-345 + 134 = 

-211

300

MENTAL MATH

98 + 499 = 

597

400

MENTAL MATH

32 + x = 24

 x = -8

500

MENTAL MATH

155 + x = 546

391

Multiply!

100

MENTAL MATH 

8x = 72

x = 9

200

MENTAL MATH

25x = 325

x = 13

300

Mental Math 

4x + 12 = 28

x = 4

400

Mental Math

-5x + 30 = 80

x = -10

500

Mental Math

-1/2X = 50

x = -100

Divide!

100

-42 / 6

-7

200

Mental Math

54 divided into 6 groups

9

300

MENTAL MATH

40/x = 5

x= 8

400

MENTAL MATH 

45/x + 5 = 14

x = 5 

500

MENTAL MATH

-x/6 + 30 = 24

x = 36

Vocabulary

100

What is the order of operations?

PEMDAS

200

the chance of something occuring ask/total

Probability 

300

The answer to a division problem 

quotient

400

What is the answer to a multiplication problem called?

Product

500

the total worth (value ) Assets - Liabilties

Net Worth 

Number squared

100

What is 5² ?

25

200

What is 9²

81

300

What is 25² ?

625

400

What is 45² ?

2025

500

What is 65² ?

 4,225