Quick Mental Checks: Fluency & Practice
Mathematics
Year 9
12 questions
~24 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on quick mental estimation techniques for Year 9 students, designed to build fluency and reasoning skills.
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Full preview • 12 questions
Quick Mental Checks: Fluency & Practice
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.
Estimate the sum of 468 and 529 by rounding to the nearest hundred. What is the approximate total?
[2 marks]2.
Quickly calculate: 63 × 7 approximately. What is the estimate?
[2 marks]3.
Divide 987 by 9 using estimation. What is the approximate quotient?
[2 marks]4.
Estimate the value of 76.3 × 4.9 to the nearest whole number.
[2 marks]5.
A car travels approximately 245 km in 3 hours. Estimate its average speed in km/h.
[3 marks]6.
Estimate the total weight of 4 packages, each weighing about 2.3 kg.
[2 marks]7.
Construct a triangle with sides approximately 7, 10, and 14 units on the grid. Is the triangle likely to be scalene, isosceles, or equilateral?
[3 marks]8.
Estimate the product of 96 and 53 by rounding to the nearest ten. What is the approximate product?
[2 marks]9.
A recipe calls for approximately 2.5 kg of flour to make 50 cookies. Estimate how much flour is needed for 120 cookies.
[3 marks]10.
Estimate the combined length of two rods, one about 3.7 meters and the other about 4.2 meters.
[2 marks]11.
A store has 358 items in stock. Estimate the number of items rounded to the nearest hundred.
[2 marks]12.
Identify the common mistake in estimating: 48 + 73 by rounding both to 50 and 70, then adding to get 120. Is this an overestimate or underestimate? How can it be corrected?
[3 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet