Mental Strategies: Mixed Review
Mathematics
Grade 8
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on mental subtraction strategies for 2-digit numbers, combining procedural practice, reasoning, real-world applications, and challenge problems to enhance mental calculation skills.
Worksheet Preview
Full preview • 11 questions
Mental Strategies: Mixed Review
Subject: MathematicsGrade: Grade 8
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Date:
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Untitled Worksheet
Grade Grade 8
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Subtract 23 from 45 using mental strategy. Show your working.
[2 marks]2.
Calculate 68 - 29 by breaking it into easier parts mentally.
[2 marks]3.
A shop has 84 apples. If 37 are sold, how many are left? Use mental subtraction strategies.
[3 marks]4.
What is 56 - 18? Solve mentally and explain your method.
[3 marks]5.
Subtract 47 from 65 using a compatible number strategy.
[2 marks]6.
A car traveled 92 km in the morning and 57 km in the afternoon. How much further did it travel in the morning? Use mental subtraction.
[3 marks]7.
Subtract 84 - 29 by adjusting to nearby friendly numbers.
[2 marks]8.
Estimate and then find the exact difference: 73 - 49.
[2 marks]9.
A farmer has 94 tomatoes. If he gives away 68, how many remain? Use mental subtraction.
[3 marks]10.
Challenge: Subtract 97 - 58 without writing, explaining your mental strategy.
[3 marks]11.
Identify and correct the mistake: 52 - 27 = 25. Is it correct? Why or why not?
[3 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet