Printable Multiplying in Parts Worksheets
Printable multiplying in parts worksheets for 4th grade, with an answer key on every sheet. The sets below cover 4 different skills, so you can start where your child actually is. Available as speed drills, word problems, visual guides, and sorting activities.
Targeted Practice by Skill
Partial products, 1-digit by 2-digit
Math.multiplication.multiplying In Parts.01
Partial products, 1-digit by 2-digit
Multiplication Multiplying In Parts 01
Partial products, 1-digit by 3-digit
Math.multiplication.multiplying In Parts.02
Partial products, 1-digit by 3-digit
Multiplication Multiplying In Parts 02
Area model
Multiplication Multiplying In Parts 03
Multiply a number close to 100
Math.multiplication.multiplying In Parts.04
Multiply a number close to 100
Multiplication Multiplying In Parts 04
About Multiplying in Parts
What this skill is
Multiplying in parts breaks complex factors into expanded place value parts (e.g., 4 x 36 = 4x30 + 4x6 = 120 + 24 = 144), building conceptual understanding before standard algorithms.
When children learn it
Multiplying in parts is taught in 4th and 5th grade, aligned to Common Core standard 4.NBT.B.5.
Teaching Tips
- Draw a 2x2 area model box for 2-digit by 2-digit multiplication.
- Verify that all partial product boxes are filled and summed accurately.
Common Mistakes
- Missing one of the partial product box multiplications in 2-digit by 2-digit grids.
- Addition errors when adding four partial product values together.