Number Line (Positive and Negative, 0 to 50): 4 practice questions

Free practice on Number Line (Positive and Negative, 0 to 50) for Class 6, following the Cameroon primary school curriculum (English subsystem). Every answer is explained, so a parent who is not sure of the answer can still help.

How to do this — Number Line (Positive and Negative, 0 to 50)

Extending the number line

Zero is the middle. Positives grow rightward: 1, 2, 3 … 50. Negatives grow leftward: −1, −2, −3 … −50. Same distance from zero = 'absolute value'.

-50 — -25 — 0 — 25 — 50

Adding and subtracting integers

Same sign: add magnitudes and keep the sign. −6 + −4 = −10. Different signs: subtract magnitudes and keep the sign of the bigger. 7 + (−3) = 4. −7 + 3 = −4.

Sum	Answer
7 + 5	12
−7 + −5	−12
7 + −5	2
−7 + 5	−2
7 − 12	−5

Multiplying with signs

Two positives → positive. Two negatives → positive. One of each → negative. 4 × 3 = 12. (−4) × (−3) = 12. (−4) × 3 = −12.

Sign rule	Result
+ × +	+
− × −	+
+ × −	−
− × +	−

On a number line, what number is 5 steps to the left of 2?
1. −3
2. 3
3. −5
4. 7
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Answer: A. −3

2 → 1 → 0 → −1 → −2 → −3.
Which number is smaller: −30 or −20?
1. −30
2. −20
3. they are equal
4. we cannot tell
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Answer: A. −30

−30 is further to the left of zero, so it is smaller.
On a number line, what number is 10 steps to the right of −5?

Write your answer, then check below.

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Answer: 5
What whole number sits exactly between −1 and 1 on the number line?

Write your answer, then check below.

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Answer: 0

Answer key — Number Line (Positive and Negative, 0 to 50)

A. −32 → 1 → 0 → −1 → −2 → −3.
A. −30−30 is further to the left of zero, so it is smaller.
5
0

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