Doubling: Mixed Review
Mathematics
Year 9
12 questions
~24 mins
1 views0 downloads
About This Worksheet
A worksheet covering Doubling in various contexts, including procedural practice, problem solving, real-world applications, and extension questions for Year 9 students.
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Full preview • 12 questions
Doubling: Mixed Review
Subject: MathematicsGrade: Year 9
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Untitled Worksheet
Grade Year 9
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
If you double 25, what is the result?
[1 mark]2.
Double 7.5 using calculation steps.
[2 marks]3.
A recipe requires 2 cups of sugar. If you double the recipe, how many cups of sugar are needed?
[1 mark]4.
Construct a rectangle with a length of 6 cm and width of 4 cm. Then, double both dimensions and calculate the new area.
[3 marks]5.
A car travels 60 km in one hour. How far will it travel in 2 hours if the distance doubles with time?
[2 marks]6.
A school has 150 students. After a doubling of enrollment, how many students will there be?
[1 mark]7.
A map shows a distance of 8 km between two towns. If the scale doubles, what is the new scale distance?
[1 mark]8.
A recipe calls for 3 eggs. If you double the recipe, how many eggs are needed?
[1 mark]9.
The original price of an item is $40. If a sale doubles the discount by 10%, what is the new discount amount?
[3 marks]10.
A gardener plants 5 rows of flowers with 8 flowers in each row. How many flowers are there after doubling the number of rows and flowers per row?
[3 marks]11.
A student scores 45 on a test. If their score doubles due to extra practice, what is the new score?
[1 mark]12.
Identify the common mistake: doubling 0 yields 0, but what common error might students make when doubling negative numbers?
[2 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet