Negative numbers

Question 1

15 + 17 + 14 + (−10) = ?

Answer 

Question 2

−18 − 32 = ?

Answer 

Question 3

Choose the sign: −9 __ −22

• A. <
• B. >

Question 4

Ines writes: −7 > 8. Is Ines right?

• A. Yes, it is true
• B. No, it is false

Question 5

80 + 56 = ?

Answer 

Question 6

Fatima's account balance is 34 (in whole dollars). Then Fatima receives $43, spends $39 and spends $33. What is the new balance? (Type the number; it may be negative.)

Answer 

Question 7

5 × (−7) = ?

Answer 

Question 8

It is −18 °C in a freezer and −2 °C in a cold store. Which is colder?

• A. a freezer
• B. a cold store

Question 9

Priya says −7 − (−2) = −9. What is the correct answer?

Answer 

Question 10

Evaluate (−4)⁴.

Answer 

Question 11

−29 − (−30) = ?

Answer 

Question 12

−51 + (−11) = ?

Answer 

Question 13

Overnight lows (°C) for 6 nights: −12, −5, −10, −6, −7, −8. What is the mean overnight low?

Answer 

Question 14

6 × □ = 72. What number goes in the box?

Answer 

Question 15

Mei dives from a cliff 46 m above sea level and reaches 18 m below sea level (−18 m). How far did Mei travel down, in m?

Answer 

Question 16

At night a weather station recorded −5 °C. The next afternoon it recorded 13 °C. By how many degrees did the temperature rise?

Answer