Quick Mental Checks: Challenge & Extension
Mathematics
GCSE Higher
12 questions
~24 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on quick mental checks for estimating calculations, designed for GCSE Higher students to develop fluency, problem-solving, and reasoning skills.
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Quick Mental Checks: Challenge & Extension
Subject: MathematicsGrade: GCSE Higher
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Date:
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Untitled Worksheet
Grade GCSE Higher
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Estimate the value of 48 × 52 using mental approximation.
[2 marks]2.
Quickly estimate the sum of 789 and 234.
[2 marks]3.
Estimate the result of dividing 1234 by 12 to the nearest ten.
[2 marks]4.
Construct a triangle with sides approximately 7, 9, and 11 units. Use the grid to draw and check the lengths.
[3 marks]5.
Estimate the total weight of 8 boxes, each weighing about 4.7 kg.
[2 marks]6.
A car travels at approximately 65 km/h. How far will it travel in 3 hours? Estimate the distance.
[3 marks]7.
Estimate the result of 0.76 × 48.
[2 marks]8.
Calculate approximately the value of 135 × 89 by rounding to the nearest ten before multiplying.
[3 marks]9.
Estimate the total cost of 3 items costing approximately £19.75 each.
[2 marks]10.
A rectangle has a length of about 14 units and a width of 9 units. Use the grid to estimate its area.
[3 marks]11.
Identify and correct the mistake: Estimating 48 × 52 as 2500 instead of 2500 is an acceptable estimation.
[2 marks]12.
Estimate the sum of 998 and 207. Explain your reasoning.
[3 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet