Year 4 Exam  >  Year 4 Notes  >  Year 4 Mathematics  >  How to multiply and divide by 0, 1, 10 and 100

How to multiply and divide by 0, 1, 10 and 100 | Year 4 Mathematics PDF Download

Multiplying by 1, 10, or 100

  • When you multiply any number by 1, the result remains the same.
    • For example: 21 × 1 = 21
  • Multiplying by 10 involves shifting all digits to the left, adding a zero at the end.
    • For example: 21 × 10 = 210
  • Multiplying by 100 requires shifting all digits two places to the left, adding zeros as needed.
    • For example: 21 × 100 = 2100

How to multiply and divide by 0, 1, 10 and 100 | Year 4 Mathematics

Question for How to multiply and divide by 0, 1, 10 and 100
Try yourself:
What happens when you multiply any number by 1?
View Solution

Multiplying by 0

  • Any number multiplied by 0 equals 0.
  • For instance: 5 × 0 = 0
  • Another example: 100 × 0 = 0
  • Similarly, 9456 × 0 = 0
  • Consider: What is 1,000,000 × 0?

How to multiply and divide by 0, 1, 10 and 100 | Year 4 Mathematics

Dividing by 1, 10 or 100

  • When you divide by 1, the result remains the same.
    • Example: 21 ÷ 1 = 21
  • When you divide by 10, shift all digits one place to the right.
    • Example: 210 ÷ 10 = 21
  • When you divide by 100, shift all digits two places to the right.
    • Example: 2100 ÷ 100 = 21

How to multiply and divide by 0, 1, 10 and 100 | Year 4 Mathematics

The document How to multiply and divide by 0, 1, 10 and 100 | Year 4 Mathematics is a part of the Year 4 Course Year 4 Mathematics.
All you need of Year 4 at this link: Year 4
69 videos|70 docs|11 tests

Top Courses for Year 4

69 videos|70 docs|11 tests
Download as PDF
Explore Courses for Year 4 exam

Top Courses for Year 4

Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

Viva Questions

,

shortcuts and tricks

,

10 and 100 | Year 4 Mathematics

,

practice quizzes

,

Exam

,

Important questions

,

10 and 100 | Year 4 Mathematics

,

past year papers

,

video lectures

,

Previous Year Questions with Solutions

,

Semester Notes

,

Objective type Questions

,

1

,

ppt

,

pdf

,

MCQs

,

How to multiply and divide by 0

,

Extra Questions

,

How to multiply and divide by 0

,

Sample Paper

,

1

,

How to multiply and divide by 0

,

study material

,

10 and 100 | Year 4 Mathematics

,

Summary

,

Free

,

mock tests for examination

,

1

;