Precision: Mixed Review
Mathematics
Grade 7
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on the concept of precision in decimal addition, covering procedural mastery, problem-solving, real-world contexts, and extension challenges for Grade 7 students.
Worksheet Preview
Full preview • 11 questions
Precision: Mixed Review
Subject: MathematicsGrade: Grade 7
Name:
Date:
TeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizz
Untitled Worksheet
Grade Grade 7
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the sum of 12.345 and 7.89, rounded to 2 decimal places.
[2 marks]2.
Add 3.4567 and 2.1, ensuring the result is rounded to 2 decimal places.
[2 marks]3.
Construct a triangle on the grid with sides 5.25 cm, 7.50 cm, and 9.10 cm. Ensure the side lengths are accurate to 2 decimal places.
[3 marks]4.
Plot the graph of y = 2x for x values from 0 to 5, with x-values rounded to 2 decimal places.
[3 marks]5.
Add 0.333 and 0.666, rounded to 2 decimal places. Explain why the answer is important in measurement accuracy.
[3 marks]6.
A grocery item costs $2.49 and another costs $3.75. Find the total cost, ensuring the sum is accurate to 2 decimal places.
[3 marks]7.
Identify the mistake in this addition: 4.56 + 3.789 = 8.34. Correct the error.
[2 marks]8.
Calculate 9.876 + 4.321, rounded to 2 decimal places, and discuss how ignoring decimal places can affect measurement data.
[3 marks]9.
Estimate the sum of 123.4567 and 78.9012 to 2 decimal places, and compare with the exact sum.
[3 marks]10.
A recipe requires 2.75 kg of sugar and 1.48 kg of flour. Find the total weight, rounded to 2 decimal places.
[3 marks]11.
Explain the importance of maintaining precision in financial transactions, with an example.
[3 marks]Quick Actions
What is Remix?
Create a new worksheet based on this one. Change the grade level, topic, number of questions, or difficulty - then generate a fresh version.
- • Change grade level (Grade 6 → Grade 7)
- • Swap topics (Harry Potter → Macbeth)
- • Add more questions (10 → 15)
- • Adjust difficulty
Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet