Madilyn's Magic Math

Irrational Numbers

100

Square root of 19

What is  +/- 4.358898944

200

The square root of 21.

What is  +/- 4.582575695

300

The cubed root of 54

What is 7.348469228

400

The cubed root of 156

What is 12.489996

500

The cubed root of 258

What is 16.0623784

Exponents

100

7² x 7²

What is 7⁴.

200

3² x 4² x 3⁵

What is 3⁷ x 4².

300

6² x 3² x 6³ x 3⁶

What is 6⁵ x 3⁸.

400

(9²) divided by (9¹)

What is 9¹.

500

(8² x 2⁸ x 8²) divide by (2⁹ x 8³)

What is 8¹ x 2^-1.

Scientific Notation

100

500 in scientific notation

What is 5 x 10².

200

7.9 x 10⁴ in standard form

What is 79000.

300

(9.2 x 10¹) (2.3 x 10³) in scientific notation

What is 2.116 x 10⁵

400

.000078

What is 7.8 x 10^-5.

500

( 4.2 x 10⁸) divided by (1.2 x 10⁷) in standard form

35

Equations

100

 Solve 5x + 5 = 45

What is x=8

200

Solve 4(x-1)=24

What is x=7

300

Solve 16-7x=30

What is x=-2

400

Solve 7(x + 3)= 5x + 8 

What is x=-6.5

500

Solve 2(x-1)+3=3x-(x+4)

What is no solution

Square Roots and Cube Roots

100

 the square root of 64

What is 8

200

The square root of 144

What is 12

300

Square root of 24

What is 4.898

400

Cubed Root of 64

What is 4.

500

Cube root of 3375

What is 15