Mathematics Grade 8 15 min

Round whole numbers and decimals: find the missing digit

Round whole numbers and decimals: find the missing digit

What you'll learn

  • Calculate the resultant vector after performing scalar multiplication on three-dimensional vectors, accurately determining each component to within 0.01 in at least 8 out of 10 attempts.
  • Explain the geometric effect of scalar multiplication on a three-dimensional vector, including changes in magnitude and direction (or lack thereof), with a clear and concise written explanation that demonstrates understanding of the underlying principles and is graded at least 4 out of 5 on a rubric assessing clarity and accuracy.
  • Solve problems involving parallel three-dimensional vectors by determining the scalar multiple relationship between them, correctly identifying whether two vectors are parallel in at least 4 out of 5 given scenarios.
  • Apply the concept of scalar multiples to solve real-world problems involving forces or velocities in three-dimensional space, setting up the problem correctly and arriving at the correct vector solution with appropriate units in at least 3 out of 4 application problems.

Tutorial Preview

1

8,4_5 rounded to the nearest hundred is 8,500. Find the missing digit.

2

2,3_1 rounded to the nearest hundred is 2,300. Find the missing digit.

3

9.7_2 rounded to the nearest tenth is 9.7. Find the missing digit.

Sample Practice Questions

Easy
4_ rounded to the nearest ten is 40. Which digit could be in the blank?
0.2
1.5
2.7
3.9
Easy
8_ rounded to the nearest ten is 90. Which digit could be in the blank?
0.1
1.3
2.4
3.6
Easy
3._2 rounded to the nearest whole number is 3. Which digit could be in the blank?
0.4
1.5
2.8
3.9

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Frequently asked questions

What grade level is "Round whole numbers and decimals: find the missing digit"?

Round whole numbers and decimals: find the missing digit is a Grade 8 Mathematics lesson on ExcelOS.

What will I learn in Round whole numbers and decimals: find the missing digit?

You'll be able to: Calculate the resultant vector after performing scalar multiplication on three-dimensional vectors, accurately determining each component to within 0.01 in at least 8 out of 10 attempts; Explain the geometric effect of scalar….

Is "Round whole numbers and decimals: find the missing digit" free to practice?

Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.

How many practice questions are included with Round whole numbers and decimals: find the missing digit?

This lesson includes 26 practice questions across multiple difficulty levels, each with instant feedback and explanations.

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