Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

Pages: **1**

**Devantè****Real Member**- Registered: 2006-07-14
- Posts: 6,400

**Basic Negative Number Excercises**

You'll find some numbers below zero here - Negative numbers. None of them are too hard.

**1. 40 metres below sea level = ?m****2. A temperature of 8 degrees below zero = ****3. At 9pm, the temperature was 2°C. By midnight, the temperature had dropped to -5°C. By how many degrees had the temperature fallen?****4. The temperature at midnight was -3°C. By 8am, the temperature had risen by 6°C. What was the temperature at 8am?--------------------Algiers = 16°CBarcelona = 17°CBerlin = 8°CLondon = 5°CMoscow = -9°CNew York = 7°COslo = -5°CParis = 12°CRome = 15°CSydney = 23°C---------------------**

**[b]5. What was the difference in temperature between Barcelona and Berlin?****6. How much higher was the temperature in Rome than the temperature in Oslo?****7. 5 + (-7) =****8. 17 - (-8) =****9. (-6) x (-3) =****10. 50 ÷ (-10) =**

---------------------------

Offline

**parvathy95****Member**- Registered: 2007-08-16
- Posts: 1

1. -40m 8. 25

2. -8 degrees 9. 18

3. 5 degrees 10. -5

4. 3 degrees

5. 9 degrees

6. 10 degrees higher

7. -2

Offline

**uche****Member**- Registered: 2007-07-30
- Posts: 7

u are so smart smarter than mikau well both of u are smart, do u just want to make your self smart and make me jelous

Offline

**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,685

You don't need to be jealous of smart people ... in fact if you hang around smart people you get smarter yourself!

(BTW. wouldn't Q3 be 7° ?)

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

Offline

**Devantè****Real Member**- Registered: 2006-07-14
- Posts: 6,400

All correct except #3 and #6 ... please check them.

Lately I have been getting many rude comments sent to me through e-mail, YouTube, etc. ... what has caused all of this to come on the same day?

Offline

Pages: **1**