Connect Standard Multiplication to Place Values
Multiply by the ones digit and then by the tens value.
About 25 minutes, plus any extended practice
Open lesson 1Explain Whole-Number and Decimal Algorithms
Multiply larger whole numbers, divide by two digits, and calculate decimal sums and products.
Before you begin
- Multiply two-digit numbers; divide by one digit; use decimal place values.
Choose by skill rather than age alone. Read with an adult when useful, revisit a lesson, or explore another grade.
Follow the lesson sequence
Divide by Two-Digit Divisors and Check
Use the supplied divisor and dividend.
About 25 minutes, plus any extended practice
Open lesson 2Add and Subtract Decimals with Aligned Places
Write the decimal quantities in aligned place-value columns.
About 25 minutes, plus any extended practice
Open lesson 3Explain Decimal Products and Quotients
For multiplication, connect the digit product to its fractional units.
About 25 minutes, plus any extended practice
Open lesson 4Review and transfer
After the lessons, try 4 new review cases and a practical task. Each answer has an explanation and a link back to the related lesson.
Open the unit reviewGuest answers are temporary. Keep your own paper or document; this unit does not certify completion or record a school grade.
Topic references
- Common Core State Standards, mathematics: 5.NBT.B.5 — Multiply larger whole numbers, divide by two digits, and calculate decimal sums and products.
- Common Core State Standards, mathematics: 5.NBT.B.6 — Multiply larger whole numbers, divide by two digits, and calculate decimal sums and products.
- Common Core State Standards, mathematics: 5.NBT.B.7 — Multiply larger whole numbers, divide by two digits, and calculate decimal sums and products.
These references informed the topic selection. They do not certify complete standards alignment.