Test 3. Adding negative numbers

 1. The temperature is –4⁰C. It rises by 7⁰C. What is the new temperature?

 а)  3⁰;          b)  11⁰;     

 c)  –11⁰;      d)  –3⁰.

 2. The temperature is –9⁰C. It rises by 6⁰C. What is the new temperature?

 а)  –15⁰;      b)  3⁰;     

 c)  –3⁰;        d)  15⁰.

 3. The temperature is 5⁰C. It rises by 3⁰C. What is the new temperature?

 а)  –2⁰;      b)  8⁰;     

 c)  –8⁰;      d)  2⁰.

 4. Work out

 а)  5;        b)  –9;     

 c)  –5;      d)  9.

 5.Work out

 а)  5;      b)  –1;     

 c)  1;      d)  –5.

 6. Work out

 а)  –70;      b)  7;     

 c)  –7;        d)  70.

 7. Work out

 а)  rises –4;      b)  rises 8;     

 c)  rises –8;      d)  rises 4.

 8. Work out

 а)  20;      b)  –4;     

 c)  4;        d)  –20.

 9. Work out

 а)  –2;      b)  4;     

 c)  –4;      d)  2.

10. The temperature in Moscow is  –12⁰C, It rises by 9⁰C. What is the new temperature in Moscow?

 а)  –21⁰C;      b)  3⁰C;     

 c)  21⁰C;        d)  –3⁰C.

Belfast  –4⁰C, Glasgow  –3⁰C, Liverpool  –1⁰C.

11. During the day, the temperature in Glasgow rises by 10⁰C.What is the new temperature?

 а)  7⁰C;      b)  13⁰C;     

 c)  4⁰C;      d)  6⁰C.

12.  During the day, the temperature in Liverpool rises by 15⁰C and the temperature in Belfast rises by 17⁰C. Which city now has the higher temperature, Liverpool or Belfast?

 а)  Belfast;           b)  ;     

 c)  Liverpool;      d)  .