Mastering Bounds (Error Intervals)
Mathematics
Grade 7
1 questions
~2 mins
0 views0 downloads
About This Worksheet
A worksheet covering Bounds (Error Intervals) for Grade 7 students.
Topics covered:
Worksheet Preview
Full preview • 1 questions
Mastering Bounds (Error Intervals)
Subject: MathematicsGrade: Grade 7
Name:
Date:
Untitled Worksheet
Grade Grade 7
A
Introduction
Read the brief explanation below before attempting the questions.
1.
Bounds or error intervals specify the range within which a measurement is considered accurate, accounting for possible errors. For a measured value of 25 with an error of ±2, what are the lower and upper bounds?
[2 marks]B
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
A student measures the length of a desk as 150 cm with an error of ±1 cm. What are the bounds for the length?
[2 marks]2.
If a scale reads 78 kg with an error of ±0.5 kg, what are the bounds for the weight?
[2 marks]3.
A thermometer shows a temperature of 22°C with an error of ±0.2°C. Find the bounds for the temperature measurement.
[2 marks]4.
Calculate the bounds for a weight measurement of 5.4 kg with an error of ±0.05 kg.
[2 marks]5.
A car's speedometer reads 60 km/h with an error of ±2 km/h. What are the bounds for the actual speed?
[2 marks]6.
A recipe requires 200 grams of sugar, but the scale has an error of ±5 grams. Find the bounds for the amount of sugar.
[2 marks]7.
A ball is measured to be 30 cm in diameter with an error of ±0.3 cm. What are the bounds?
[2 marks]8.
A water tank has a capacity of 150 liters with an error of ±3 liters. Find the bounds for its capacity.
[2 marks]9.
If a runner completes a race in 45 minutes with an error of ±1 minute, what are the bounds for the time taken?
[2 marks]10.
A height measurement of a tree is 4.5 meters with an error of ±0.05 meters. What are the bounds?
[2 marks]11.
Challenge: A scientist measures a sample's mass as 12.7 grams with an error of ±0.1 grams. What are the bounds? How might this affect the accuracy of the experiment?
[4 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
Related Worksheets
Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet