Multiplying Decimals by Whole Numbers
Exploring strategies for multiplying decimals by whole numbers using models and repeated addition.
Key Questions
- Explain how multiplying a decimal by a whole number relates to repeated addition.
- Construct a visual model to demonstrate the product of a decimal and a whole number.
- Predict the placement of the decimal point in the product of a decimal and a whole number.
ACARA Content Descriptions
Suggested Methodologies
Ready to teach this topic?
Generate a complete, classroom-ready active learning mission in seconds.
Planning templates for Mathematics
5E Model
The 5E Model structures lessons through five phases (Engage, Explore, Explain, Elaborate, and Evaluate), guiding students from curiosity to deep understanding through inquiry-based learning.
unit plannerMath Unit
Plan a multi-week math unit with conceptual coherence: from building number sense and procedural fluency to applying skills in context and developing mathematical reasoning across a connected sequence of lessons.
rubricMath Rubric
Build a math rubric that assesses problem-solving, mathematical reasoning, and communication alongside procedural accuracy, giving students feedback on how they think, not just whether they got the right answer.
More in The Power of Place: Large Numbers and Decimals
Understanding Place Value to Millions
Exploring place value beyond hundreds of thousands and how the position of a digit changes its magnitude by powers of ten.
2 methodologies
Reading and Writing Large Numbers
Practicing reading and writing numbers up to millions, including using commas and spaces correctly.
2 methodologies
Comparing and Ordering Large Numbers
Developing strategies to compare and order numbers up to millions using place value.
2 methodologies
Introduction to Decimals: Tenths and Hundredths
Connecting fractions to decimals and understanding the significance of the thousandths place.
2 methodologies
Decimals to Thousandths
Extending decimal understanding to the thousandths place and comparing decimal values.
2 methodologies