Doubling: Problem Solving & Reasoning
Mathematics
Grade 8
12 questions
~24 mins
1 views0 downloads
About This Worksheet
A worksheet exploring the concept of doubling through various problem-solving scenarios, including real-world applications and reasoning challenges.
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Full preview • 12 questions
Doubling: Problem Solving & Reasoning
Subject: MathematicsGrade: Grade 8
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Untitled Worksheet
Grade Grade 8
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
If a recipe calls for 250 grams of flour, how much flour is needed if you double the recipe?
[2 marks]2.
Calculate the total weight if you double 3.75 kg.
[2 marks]3.
A cake recipe uses 2 eggs. How many eggs are needed if you double the recipe?
[1 mark]4.
Plot the graph of y=2x for x values from 0 to 5. (Draw on grid)
[2 marks]5.
A car travels 60 km in 1 hour. How far will it travel in 2 hours?
[2 marks]6.
A rectangular garden has a length of 8 meters and a width of 3 meters. What is the area if doubled in size (length and width both doubled)?
[2 marks]7.
In a school, the number of students in a class is 24. If this number doubles, what is the new total?
[1 mark]8.
A recipe uses 150 ml of milk. How much is needed when doubled?
[1 mark]9.
If a bicycle's speed is 15 km/h, what is its speed if doubled?
[1 mark]10.
A recipe needs 500 grams of sugar. How much sugar is required if the recipe is doubled?
[2 marks]11.
A student scores 18 marks out of 20 on a test. If this score doubles (assuming it can), what is the new score? Is this possible? Explain.
[3 marks]12.
A recipe uses 200 grams of butter. When doubling, students accidentally add 400 grams instead of 400 grams. Identify the mistake and correct it.
[3 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet