Y9 1,1 to 1,4

Talmängder

100

These are the regular positive counting numbers including 0

natural numbers

200

These are the natural numbers and the negative whole numbers

whole numbers

300

These are numbers that can be written as a fraction

rational numbers

400

These are numbers that cannot be written as a fraction

irrational numbers

500

any number that can written as a real number multiplied by the i, where i^2 = -1

imaginary numbers

De fyra räknesätten

100

4 + 7 x 3

25

200

4/0,02

200

300

60 - ((13 + 17)/2)

45

400

Write the number 0,775 as a fraction with the smallest denominator possible

31/40

500

2 / (2/9)

9

Negativa tal

100

-8 + 2 - 5

-11

200

Which is larger, 1,5 or -1,75

1,5

300

(-4) x 5

-20

400

(3(-4))/((-6) - (-12))

-2

500

Solve the equation for x:

-10 = x + (-7) - (-5)

x = -8

Potenser

100

0,5²

0,25

200

10² - 9²

19

300

(3/5)²

9/25

400

(2⁴ + 3(2³)) / (10² + 10²)

0,2

500

Solve for x:

(10^x) / (5³ - 5²) = 0,1

x = 1

Räkna med potenser

100

Write 10³ without an exponent

1 000

200

Write in scientific notation:

725 000

7,25 x 10⁵

300

What number lies exactly between 5² and 2⁵ ?

28,5

400

Simplify:

(10³)⁴

10¹²

500

Simplify:

(2³)⁴ x (2²)⁵

2²²