1. Numbers to 100,000
Represent and explain five-digit quantities using place-value exchanges, expanded forms and number names.
Study this lesson →Chapter 1: Numbers to One Million
7 lessons · 1 consolidation units · review and practice examination
A complete original chapter draft aligned to published topic sequence. Study each lesson, answer its checks, and use the chapter examination to locate gaps. Internally reviewed with controls; external educator/learner validation remains outstanding.
Lessons
2. Numbers to 1,000,000
Build and rename six- and seven-digit quantities, including ten hundred-thousands as one million.
Study this lesson →3. Number Patterns
Infer, extend and justify integer sequences based on consistent increments, decrements and place-value changes.
Study this lesson →4. Comparing and Ordering Numbers
Order large numbers using the first differing place and verify comparisons on a scaled line.
Study this lesson →5. Rounding 5-Digit Numbers
Round five-digit values to stated places using bounding benchmarks and midpoints.
Study this lesson →6. Rounding 6-Digit Numbers
Justify rounding six-digit values to thousands and higher places with midpoint arguments.
Study this lesson →7. Calculations and Place Value
Use powers-of-ten place shifts and decompositions to calculate without changing quantities.
Study this lesson →Consolidation and assessment
Practice 1
Original mixed practice with worked reasoning.
Open practice →Chapter review
Cumulative chapter practice with revealable explanations
Open →Practice examination
Independent questions with separate answer key
Open →Complete solutions
Worked solutions and point information
Open →