Number Revision Year 9

Decimals and Integers

100

1.02 - 0.38

0.64

200

0.02 x 0.9

0.018

300

-4.2 / 1.4

-3

400

(0.2 / 0.12)^2

0.36

500

(-4)^3 / 2

-32

Scientific Notation

100

Write in scientific notation

0.000789

7.89x10^-4

200

write in standard notation

5,9876x10³

5987,6

300

calculate 

5,2x10⁵x2x10⁷

1,04x10¹³

400

Calculate 

8,9x10⁶-4,5x10⁵

8,45x10⁶

500

calculate 

(5,76x10⁹/8x10⁵ ) + 2,2x10⁴

2,92x10⁴

BEDMAS

100

3 + 8 x 6

51

200

14 / 7 x 6 + 1

13

300

30 / 5 + 3 x 5 + 3^2

90

400

(9 - 8 + 7 x 2 - 15 / 3 - 7^2) x 2

-78

500

-3²-(4+(2+3⁰))x2

-23

Exponent

100

5³

125

200

(-2)³

-8

300

-2x⁶ 4x^-3

-8x³

400

9x⁵y⁷/ -3xy⁵

-3x⁴y²

500

(3ab^-2/a⁵b)^-3

1/27 a¹²b⁹

Square Roots

100

What is the square root of 81

9

200

What is the square root of 289

17

300

Estimate square root of 32

5.63

400

Simplify square root of 112

4 and square root of 7

500

Simplify square root of 125a²b⁴

5ab² and square root of 5