MathematicsBeginner

Mental multiplication

Digits first, zeros after

Estimated time · 7 min 9 Content blocks

Core concepts

Formulas

30×4=120,500×6=300030\times4=120,\qquad 500\times6=3000

Worked example

Example
Solution

Worked example

Worked examples
Example
Solution steps
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
Answer

Worked example

Worked examplesVariant 1
Example
Solution steps
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
Answer

Worked example

Worked examplesVariant 2
Example
Solution steps
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
Answer

Exercises

Fill in the blank

Prerequisites

The 7, 8 and 9 times tables8 min
Practice set
Answered 0 / 6
1Fill in the blank

Tip

2Fill in the blank

Tip

3Fill in the blank

Tip

4True / False

Tip

5Single choice

Tip

6Fill in the blank

Tip

Results are not saved — this session disappears when you leave.
AI DO LEARN

Science, made explorable.

5 Disciplines·6 Levels·647 Knowledge points

© 2026 AI DO LEARN. All rights reserved.

Original explanations, diagrams and code may not be republished without permission; please credit the source when quoting.