Public learning track
Skip-Counting, Multi-Step Sequences, and Numerical Patterns to 1,000
2nd Grade · Math · Open Global Math
10 lessons
Goal
Count forward and backward from any starting number within 1,000 by 2s, 3s, 5s, 10s, 20s, 25s, 50s, and 100s, connecting sequences to money and patterns.
Featured Diagrams
Counting Forward and Backward by 1s Across Hundreds Boundaries
10 lessons
0 of 10 done
- 1Counting Forward and Backward by 1s Across Hundreds BoundariesUp nextStart
- 2Skip-Counting Forward by 10s from Any Three-Digit NumberPremiumNot started yet
- 3Skip-Counting Backward by 10s from Any Three-Digit NumberNot started yet
- 4Skip-Counting by 5s Forward and Backward Within 1,000Not started yet
- 5Skip-Counting by 2s and Even/Odd Patterns to 1,000Not started yet
- 6Skip-Counting by 3s Forward and Backward Within 1,000Not started yet
- 7Skip-Counting by 20s and 50s Within 1,000Not started yet
- 8Skip-Counting by 25s and Quarter Dollar PatternsNot started yet
- 9Skip-Counting by 100s Forward and Backward to 1,200Not started yet
- 10Identifying Missing Terms in Multi-Step Number SequencesNot started yet
Curriculum Framework
2nd Grade · Math · Open Global Math
1
6 lessons
Subitizing, Conceptual Grouping, and Quantity Estimation
Estimate and determine quantities of large collections using perceptual grouping, ten-structures, and benchmark anchors.
2
6 lessons
Ordinal Numbers, Relative Position, and Ranking to 100th
Identify, write, and apply ordinal numbers up to 100th to describe rank, sequential position, and relative order in structured situations.
3
12 lessons
Place Value Structure, Grouping, and Flexible Decomposition to 1,200
Deconstruct and reconstruct two-, three-, and four-digit numbers using standard and non-standard groupings, manipulatives, and place-value logic.
4
8 lessons
Number Representations: Numerals, Words, Expanded Form, and Roman Numerals
Read, write, translate, and model numbers up to 1,000 using standard notation, word names, expanded form, open number lines, and Roman numerals I to XII.
5
10 lessons
Skip-Counting, Multi-Step Sequences, and Numerical Patterns to 1,000
Count forward and backward from any starting number within 1,000 by 2s, 3s, 5s, 10s, 20s, 25s, 50s, and 100s, connecting sequences to money and patterns.
6
10 lessons
Comparing, Ordering, Framing, and Relative Magnitude to 1,200
Compare, order, frame between tens and hundreds, and determine relative distance of numbers up to 1,200 using relational symbols and balance reasoning.
7
8 lessons
Mental Addition and Subtraction Strategies Within 100
Calculate sums and differences within 100 mentally with high fluency using decomposition, making tens, compensation, and number lines.
8
6 lessons
Adding Up to Four Two-Digit Numbers
Add combinations of three and four two-digit numbers using associative grouping, making tens, and columnar algorithms.
9
10 lessons
Three-Digit Addition: Models, Place Value, and Regrouping Within 1,000
Add two- and three-digit numbers within 1,000 using base-ten models, expanded form, partial sums, and standard vertical algorithms with single and double regrouping.
10
11 lessons
Three-Digit Subtraction: Models, Place Value, and Regrouping Within 1,000
Subtract two- and three-digit numbers within 1,000 using base-ten models, open number lines, expanded decomposition, and standard vertical algorithms with single, double, and across-zero regrouping.
11
6 lessons
Multi-Digit Addition and Subtraction: Problem Solving and Applications
Solve single- and multi-step word problems involving addition and subtraction within 1,000, money, estimation, and missing-value equations.