Multiplying by a One-Digit Number Algorithm POWERPOINT is a clear and supportive digital resource designed to guide your students through the written algorithm method for multiplication. With a strong visual approach and step-by-step instruction, this PowerPoint builds confidence and accuracy when multiplying large two- and three-digit numbers by a one-digit number.

Students are introduced to the method gradually—starting with simpler calculations and progressing to those requiring regrouping. Each slide breaks the process into manageable chunks, and a helpful flow chart supports students in remembering the strategy independently.

This PowerPoint is perfect for modelling during whole-class lessons, guided practise in small groups, or as a reference tool during independent work. It’s an excellent resource to embed during your number and multiplication units.

Key Learning Outcomes:

• ✅ Use the written algorithm to multiply two- and three-digit numbers by a one-digit number
• ✅ Understand regrouping (carrying) within the multiplication process
• ✅ Follow a step-by-step strategy to solve multi-digit multiplication problems
• ✅ Visualise and model calculations to build understanding
• ✅ Apply multiplication strategies with growing independence

What’s Included:

• PowerPoint presentation featuring:
  • - Step-by-step worked examples
  • - Visual models for regrouping
  • - Flow chart summarising the algorithm process
  • - Scaffolded practise slides for student modelling

Materials Needed:

• PowerPoint-compatible device or display screen
• Whiteboards or notebooks for student working out
• Optional: base ten blocks or digit cards to support regrouping

How to Use:

1. Open the PowerPoint in slideshow mode for clear navigation and animations.
2. Work through each example as a class, modelling how to record the algorithm vertically.
3. Use the visual cues to show where regrouping occurs and how it is recorded.
4. Refer to the included flow chart to support students as they attempt problems independently.
5. Encourage students to verbalise the steps they are taking to reinforce understanding.

Ideas for Classroom Use:

• 💡 Use as your main teaching tool when introducing the written multiplication algorithm
• 💡 Incorporate into a guided maths group rotation for focused support
• 💡 Revisit during revision or consolidation lessons
• 💡 Display the flow chart in your classroom as an anchor chart
• 💡 Assign practise problems using the same layout for consistency

Top Teacher Tips:

• 💛 Practise each step in isolation before combining full problems
• 💛 Use grid paper to help students line up digits accurately
• 💛 Model verbal explanations of each step to support student articulation
• 💛 Provide sentence stems to support student reflection: “First I… Then I…”
• 💛 Offer concrete materials for regrouping if students need visual reinforcement

Multiplying by a One-Digit Number Algorithm POWERPOINT provides a clear, scaffolded approach to teaching multi-digit multiplication with confidence. With visual supports, examples and structured strategy, it’s the perfect classroom tool to master this key skill.

You might also like the Multiplying Two-Digit Numbers Algorithm POWERPOINT resource.