Read Decimal Place Values through Thousandths
Identify every decimal place and add its value.
About 20 minutes, plus any extended practice
Open lesson 1Read, Scale, Compare, and Round Decimals
Extend place value through thousandths and explain powers-of-ten changes.
Before you begin
- Write tenths and hundredths; compare decimals to hundredths.
Choose by skill rather than age alone. Read with an adult when useful, revisit a lesson, or explore another grade.
Follow the lesson sequence
Explain Decimal Scaling by Powers of Ten
Use the supplied multiplier or divisor.
About 20 minutes, plus any extended practice
Open lesson 2Compare Decimals by the First Unequal Place
Align both numbers through thousandths.
About 20 minutes, plus any extended practice
Open lesson 3Round Decimals to a Requested Place
Locate neighboring multiples of the requested place and compare distances.
About 20 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.A.1 — Extend place value through thousandths and explain powers-of-ten changes.
- Common Core State Standards, mathematics: 5.NBT.A.2 — Extend place value through thousandths and explain powers-of-ten changes.
- Common Core State Standards, mathematics: 5.NBT.A.3 — Extend place value through thousandths and explain powers-of-ten changes.
- Common Core State Standards, mathematics: 5.NBT.A.4 — Extend place value through thousandths and explain powers-of-ten changes.
These references informed the topic selection. They do not certify complete standards alignment.