Curriculum›4B›Chapter 12

Chapter 12: Decimals

8 lessons · 2 consolidation units · chapter review and exam

Internally reviewed instructional baseline. External educator/learner testing, human scoring of student constructions, and live-host verification remain pending.

Instructional lessons

Lesson 01

Tenths — Part 1

Represent tenths as equal parts of a whole using fractions, grids, and decimals.

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Lesson 02

Tenths — Part 2

Read, write, place, and rename decimal tenths on number lines.

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Lesson 03

Hundredths — Part 1

Represent and read hundredths using 10-by-10 grids and fraction notation.

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Lesson 04

Hundredths — Part 2

Rename tenths as hundredths and interpret multi-place decimal quantities.

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Lesson 05

Expressing Decimals as Fractions in Simplest Form

Convert tenths/hundredths to fractions and simplify fully.

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Lesson 06

Expressing Fractions as Decimals

Convert fractions with compatible denominators to tenths/hundredths decimals.

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Lesson 07

Comparing and Ordering Decimals

Compare and order decimals by aligning place values and using number lines.

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Lesson 08

Rounding Decimals

Round decimals to a named precision with midpoint reasoning.

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Consolidation and assessment