Representing integers on a number line - Problem solving - Practice exercise 7

Course: Grade 8 Mathematics - Numbers - Integers

Quiz Questions (23 questions)

Question 1
A lake lies at –400 meters, and a hilltop is at +200 meters. What does this show on a number line?  (1 mark)
Question 2
A lake lies at –400 meters, and a hilltop is at +200 meters. What does this show on a number line?  (1 mark)
Question 3
A shopkeeper gains KSh 3 on Monday and loses KSh 5 on Tuesday. Where is the final position on a number line, starting from 0?   (1 mark)
Question 4
A shopkeeper gains KSh 3 on Monday and loses KSh 5 on Tuesday. Where is the final position on a number line, starting from 0?   (1 mark)
Question 5
A thermometer shows -8°C, then rises 3°C per hour for 5 hours. Where does it end on the number line?   (1 mark)
Question 6
A thermometer shows -8°C, then rises 3°C per hour for 5 hours. Where does it end on the number line?   (1 mark)
Question 7
A diver in Watamu is at -15 meters and rises to -5 meters. How many units did he rise?   (1 mark)
Question 8
A diver in Watamu is at -15 meters and rises to -5 meters. How many units did he rise?   (1 mark)
Question 9
If a thermometer shows –6°C in Limuru and +3°C in Malindi, which town is warmer?    (1 mark)
Question 10
If a thermometer shows –6°C in Limuru and +3°C in Malindi, which town is warmer?    (1 mark)
Question 11
If the position of Kitale is -15 and the position of Kisumu is +5, which is closer to zero?   (1 mark)  
Question 12
If the position of Kitale is -15 and the position of Kisumu is +5, which is closer to zero?   (1 mark)  
Question 13
If the position of Kitale is -15 and the position of Kisumu is +5, which is closer to zero?   (1 mark)  
Question 14
If the position of Kitale is -15 and the position of Kisumu is +5, which is closer to zero?   (1 mark)
Question 15
In Nairobi, the temperature in the morning was 18°C. By midnight, it had dropped by 22°C. Represent the midnight temperature on a number line. What is the new temperature?   (1 mark)
Question 16
In Nairobi, the temperature in the morning was 18°C. By midnight, it had dropped by 22°C. Represent the midnight temperature on a number line. What is the new temperature?   (1 mark)
Question 17
In Nairobi, the temperature in the morning was 18°C. By midnight, it had dropped by 22°C. Represent the midnight temperature on a number line. What is the new temperature?   (1 mark)
Question 18
 Lake Nakuru is at -2°C, and Lake Naivasha is at 3°C. Which lake is warmer based on the number line?   (1 mark)
Question 19
Lake Nakuru is at -2°C, and Lake Naivasha is at 3°C. Which lake is warmer based on the number line?   (1 mark)
Question 20
If Mombasa is at -10 on the number line and Nairobi is at 0, how many units is Nairobi from Mombasa?    (1 mark)
Question 21
If Mombasa is at -10 on the number line and Nairobi is at 0, how many units is Nairobi from Mombasa?    (1 mark)
Question 22
On a number line showing elevation, Mt. Elgon is at +4. Lake Victoria’s shore is at -2. What is the difference in elevation?   (1 mark)
Question 23
On a number line showing elevation, Mt. Elgon is at +4. Lake Victoria’s shore is at -2. What is the difference in elevation?   (1 mark)

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