# Numbers questions

This is a list of recently added questions about numbers. Play numbers quiz and see all the questions.## Which size of sheet of paper is 0,5 m²

A1. According to international standard ISO216 one of the three basic series of formats is A series, in which the ratio of the sides is 1 to √2, and the length of the sides are chosen so that the format A0 has a surface of 1m². Smaller formats result from the distribution of sheets in the middle of the longer side, thus maintaining proportions. As a result, the sheet A0 consists of 2 sheets A1, A1 of two sheets A2,

Created by: Katarzyna Dąbrowska

very hard

30%

A1

A1

1409

A4

A4

1116

A0

A0

700

None

None

1374

## After adding to some number half her worth and next calculate her the root we will get it half. What's the number?

6. 1.After adding to some number half her worth: 6 + 3 =9 2.Next calculate her the root we will get it half: √9 = 3 | 6 : 3 = 0,5 (half)

Created by: lukasz Poland

hard

49%

1

1

61

4

4

158

6

6

239

10

10

28

## Result calculation: -3 raising to power 4 is:

Positive number . Negative number riasing to even, positive power (e.g. -3 raising to power 2,4,6) is positive, because two minus = plus.

Created by: lukasz Poland

easy

74%

Indefinite (context of dependent task)

Indefinite (context of dependent task)

32

Zero

Zero

32

Negative number

Negative number

106

Positive number

Positive number

485

## Who created Fibonacci Sequence?

All of the answers are correct. Leonardo of Pisa was also known as:Leonardo Fibonacci, Filiu Bonacci, Leonardo Pisano. He was son of Guillaume Bonacci. He lived ok.1175 - 1250. He was Italian matematician.

Created by: lukasz Poland

hard

49%

son of Guillaume Bonacci

son of Guillaume Bonacci

64

Filius Bonacci

Filius Bonacci

132

Leonardo of Pisa

Leonardo of Pisa

125

All of the answers are correct

All of the answers are correct

320

## What is approximate distance from Gdańsk (Poland) to Gogolewo (Russia) in a straight line?

Ok. 100 km. Gogolewo is located in the Kaliningrad Oblast, so the distance is small.

Created by: lukasz Poland

hard

42%

ok. 10 km

ok. 10 km

102

ok. 100 km

ok. 100 km

480

ok. 1000 km

ok. 1000 km

263

ok. 10000 km

ok. 10000 km

282

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