Adding: Error Analysis & Misconceptions
Mathematics
GCSE Foundation
12 questions
~24 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on common errors and misconceptions when adding negative numbers, designed for GCSE Foundation students. It covers procedural practice, problem-solving, real-world contexts, and extension questions.
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Adding: Error Analysis & Misconceptions
Subject: MathematicsGrade: GCSE Foundation
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Untitled Worksheet
Grade GCSE Foundation
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate: (-3) + 5
[2 marks]2.
Calculate: (-8) + (-4)
[2 marks]3.
Calculate: 6 + (-9)
[2 marks]4.
A student incorrectly calculates (-7) + 3 as 4. Identify and correct the mistake.
[3 marks]5.
A submarine is at a depth of 50 metres below sea level. It ascends 20 metres, then descends 30 metres. What is its final depth?
[3 marks]6.
Construct a number line to illustrate (-6) + 4. Label the starting point and final position.
[4 marks]7.
Identify the mistake:
(-2) + (-3) = 1
What is the correct answer?
[3 marks]8.
Simplify: (-10) + 15 + (-5).
[3 marks]9.
A bank account shows an overdraft of £200. If the account is credited with £150, what is the account balance?
[3 marks]10.
Calculate: (-12) + 7 + 4.
[2 marks]11.
A mountain climber descends 800 meters, then ascends 300 meters. What is the climber's current altitude if the starting point was at 1000 meters?
[3 marks]12.
Challenge: Simplify (-20) + 10 + (-15) + 5.
[4 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet