Public learning track
Comparing, Ordering, and Relative Magnitude to 100,000
3rd Grade · Math · Open Global Math
8 lessons
Goal
Compare and order multi-digit numbers up to 100,000 using comparison symbols, positional reasoning, and relative difference concepts.
Featured Diagrams
Finding 10 More and 10 Less Than a Three-Digit Number
8 lessons
0 of 8 done
- 1Finding 10 More and 10 Less Than a Three-Digit NumberUp nextStart
- 2Finding 100 More and 100 Less Than a Three-Digit NumberPremiumNot started yet
- 3Finding 10, 100, and 1,000 More or Less in Five-Digit NumbersNot started yet
- 4Comparing Four-Digit Numbers Using Place ValueNot started yet
- 5Comparing Five-Digit Numbers Using Place ValueNot started yet
- 6Using <, >, and = Symbols With Large NumbersNot started yet
- 7Ordering Sets of Multi-Digit NumbersNot started yet
- 8Interpreting Comparative Relational Phrases with Large NumbersNot started yet
Curriculum Framework
3rd Grade · Math · Open Global Math
1
8 lessons
Place Value Structure and Representation to 100,000
Read, write, compose, decompose, and represent whole numbers up to 100,000 in standard, word, and expanded forms while explaining positional value.
2
4 lessons
Skip Counting and Number Sequences to 100,000
Count forward and backward across place-value boundaries in intervals of 1, 2, 4, 8, 10, 50, and 100.
3
8 lessons
Comparing, Ordering, and Relative Magnitude to 100,000
Compare and order multi-digit numbers up to 100,000 using comparison symbols, positional reasoning, and relative difference concepts.
4
7 lessons
Rounding and Estimation Strategies
Round multi-digit whole numbers to the nearest 10, 100, 1,000, or 10,000 and apply compatible numbers to assess calculation reasonableness.
5
7 lessons
Mental Addition and Subtraction Within 1,000
Develop flexible mental strategies for adding and subtracting two- and three-digit numbers within 1,000.
6
8 lessons
Written Addition and Subtraction with Regrouping
Fluently add and subtract three-digit whole numbers using standard columnar algorithms and verify solutions with inverse operations.
7
7 lessons
Multiplying Multiples of Ten and Two-Digit Numbers
Multiply one-digit whole numbers by multiples of 10 (10–90) and two-digit numbers by one-digit numbers using place-value strategies, partial products, and written methods.