Subtraction of integers on a number line - Problem solving - Practice exercise 3 - Grade 8 Mathematics - Numbers

Question 1

The morning temperature in Eldoret was 2°C. By night, the temperature dropped to -6°C. What was the change in temperature?

Question 2

The morning temperature in Eldoret was 2°C. By night, the temperature dropped to -6°C. What was the change in temperature? (1 mark)

Question 3

The morning temperature in Eldoret was 2°C. By night, the temperature dropped to -6°C. What was the change in temperature? (1 mark)

Question 4

The morning temperature in Eldoret was 2°C. By night, the temperature dropped to -6°C. use the diagram below to get the change in temperature. (1 mark)

Question 5

The morning temperature in Eldoret was 2°C. By night, the temperature dropped to -6°C. use the diagram below to get the change in temperature. (1 mark)

Question 6

The morning temperature in Eldoret was 2°C. By night, the temperature dropped to -6°C. use the diagram below to get the change in temperature. (1 mark)

Question 7

The morning temperature in Eldoret was 2°C. By night, the temperature dropped to -6°C. use the diagram below to get the change in temperature. (1 mark)

Question 8

The morning temperature in Eldoret was 2°C. By night, the temperature dropped to -6°C. use the diagram below to get the change in temperature. (1 mark)

Question 9

The bakery oven was at 220°C. After power failure, its temperature dropped by 230°C. What is the final temperature?

Question 10

The bakery oven was at 220°C. After power failure, its temperature dropped by 230°C. What is the final temperature? (1 mark)

Question 11

The bakery oven was at 220°C. After power failure, its temperature dropped by 230°C. What is the final temperature? (1 mark)

Question 12

Boiled beans had a temperature of 85°C. They were placed in a cold room and cooled by 92°C. What is the final temperature of the beans?

Question 13

Boiled beans had a temperature of 85°C. They were placed in a cold room and cooled by 92°C. What is the final temperature of the beans? (1 mark)

Question 14

Boiled beans had a temperature of 85°C. They were placed in a cold room and cooled by 92°C. What is the final temperature of the beans? (1 mark)

Question 15

Boiled beans had a temperature of 85°C. They were placed in a cold room and cooled by 92°C. What is the final temperature of the beans? (1 mark)

Question 16

Boiled beans had a temperature of 85°C. They were placed in a cold room and cooled by 92°C. What is the final temperature of the beans? (1 mark)

Question 17

Hot soup had a temperature of 70°C. After exposure to cold air, it cooled by 80°C. What is its final temperature?

Question 18

Hot soup had a temperature of 70°C. After exposure to cold air, it cooled by 100°C. What is its final temperature? (1 mark)

Question 19

Hot soup had a temperature of 70°C. After exposure to cold air, it cooled by 100°C. What is its final temperature? (1 mark)

Question 20

Hot soup had a temperature of 70°C. After exposure to cold air, it cooled by 100°C. What is its final temperature? (1 mark)

Question 21

A diver is 15 meters below sea level and descends another 10 meters. What is his new position? ---|---|---|---|---|---|---|---|---|---|--- 0 -5 -10 -15 -20 -25 -30

Question 22

A diver is 15 meters below sea level and descends another 10 meters. What is his new position? (1 mark) ---|---|---|---|---|---|---|---|---|---|--- 0 -5 -10 -15 -20 -25 -30

Question 23

A diver is 15 meters below sea level and descends another 10 meters. What is his new position? (1 mark) ---|---|---|---|---|---|---|---|---|---|--- 0 -5 -10 -15 -20 -25 -30

Question 24

A diver is 15 meters below sea level and descends another 10 meters. What is his new position? (1 mark) ---|---|---|---|---|---|---|---|--- 0 -5 -10 -15 -20 -25 -30

Question 25

A diver is 15 meters below sea level and descends another 10 meters. What is his new position? (1 mark)

Question 26

A diver is 15 meters below sea level and descends another 10 meters. What is his new position? (1 mark)

Question 27

A diver is 15 meters below sea level and descends another 10 meters. What is his new position? (1 mark)

Question 28

A diver is 15 meters below sea level and descends another 10 meters. What is his new position? (1 mark)

Question 29

A diver is 15 meters below sea level and descends another 10 meters. What is his new position? (1 mark)

Question 30

A hiker descended Mount Kenya from an elevation of 3,500m to 2,000m. What is the total change in elevation?

Question 31

A hiker descended Mount Kenya from an elevation of 3,500m to 2,000m. What is the total change in elevation? (1 mark)

Question 32

A hiker descended Mount Kenya from an elevation of 3,500m to 2,000m. What is the total change in elevation? (1 mark)

Question 33

A hiker descended Mount Kenya from an elevation of 3,500m to 2,000m. What is the total change in elevation? (1 mark)

Question 34

A hiker descended Mount Kenya from an elevation of 3,500m to 2,000m. What is the total change in elevation? (1 mark)

Question 35

A hiker descended Mount Kenya from an elevation of 3,500m to 2,000m. What is the total change in elevation? (1 mark)

Question 36

A hiker descended Mount Kenya from an elevation of 3,500m to 2,000m. What is the total change in elevation? (1 mark)

Question 37

(1 mark) During a parent’s meeting of Grade 8 learners, scouts lowered the national flag, which was 10m above the ground, by 6m. What integer represents the new position of the flag?

Question 38

During a national holiday in Kenya, scouts lowered the national flag, which was 10m above the ground, by 6m. What integer represents the new position of the flag?(1 mark)

Question 39

During a national holiday in Kenya, scouts lowered the national flag, which was 10m above the ground, by 6m. What integer represents the new position of the flag?(1 mark)

Question 40

During a national holiday in Kenya, scouts lowered the national flag, which was 10m above the ground, by 6m. What integer represents the new position of the flag?(1 mark)

Question 41

During a national holiday in Kenya, scouts lowered the national flag, which was 10m above the ground, by 6m. What integer represents the new position of the flag?(1 mark)

Question 42

During a national holiday in Kenya, scouts lowered the national flag, which was 10m above the ground, by 6m. What integer represents the new position of the flag?(1 mark)

Question 43

During a national holiday in Kenya, scouts lowered the national flag, which was 10m above the ground, by 6m. What integer represents the new position of the flag?(1 mark)

Question 44

During a national holiday in Kenya, scouts lowered the national flag, which was 10m above the ground, by 6m. What integer represents the new position of the flag? (1 mark)

Question 45

The temperature of a frozen piece of ice was -10°C. After heating, the temperature increased by 10°C. What was the final temperature?

Question 46

The temperature of a frozen piece of ice was -10°C. After heating, the temperature increased by 10°C. What was the final temperature?

Question 47

The temperature of a frozen piece of ice was -10°C. After heating, the temperature increased by 10°C. What was the final temperature?

Question 48

The temperature of a frozen piece of ice was -10°C. After heating, the temperature increased by 10°C. What was the final temperature? (1 mark)

Question 49

The temperature in Mombasa was 28°C during the day and dropped to 18°C at night. What is the change in temperature?

Question 50