Chapter 1.4
Multiplying using Mental Strategies
What You'll Learn
Apply the splitting strategy to break complex multiplication into smaller, manageable parts
Calculate products mentally by decomposing numbers up to 999 into place values
Use distributive property to multiply by splitting one factor into addends
Combine partial products mentally to arrive at the final answer
What You'll Practice
1
Breaking multi-digit numbers into place value components for easier multiplication
2
Using the split strategy to multiply numbers up to 999
3
Filling in step-by-step blanks to show mental math calculations
Why This Matters
Mental multiplication strategies help you solve problems faster without relying on calculators or paper. These skills strengthen your number sense, making everyday tasks like estimating costs, calculating tips, and solving multi-step problems much easier throughout school and life.
This Unit Includes
Practice exercises
Skills
Mental Math
Multiplication
Decomposition
Distributive Property
Number Sense
Place Value
CA Curriculum Aligned
