Public learning track
Equal Groups, Arrays, and Early Multiplication
1st Grade · Math · Open Global Math
9 lessons
Goal
Build multiplication and division concepts through equal groups, repeated addition, equal sharing, and rectangular arrays.
Featured Diagrams
Identifying Equal and Unequal Groups
9 lessons
0 of 9 done
- 1Identifying Equal and Unequal GroupsUp nextStart
- 2Writing Repeated Addition from Equal GroupsPremiumNot started yet
- 3Skip-Counting to Find Totals in Equal GroupsNot started yet
- 4Exploring Rectangular Arrays: Rows and ColumnsNot started yet
- 5Writing Repeated Addition Equations for ArraysNot started yet
- 6Equal Sharing: Fair Shares into GroupsNot started yet
- 7Connecting Sharing into Equal Groups to DivisionNot started yet
- 8Solving Word Problems with Equal Groups and ArraysNot started yet
- 9Even and Odd Numbers as Equal Pairs and Groups of TwoNot started yet
Curriculum Framework
1st Grade · Math · Open Global Math
1
12 lessons
Addition and Subtraction Fact Strategies Within 20
Master addition and subtraction facts within 10 and develop flexible mental strategies within 20.
2
8 lessons
Properties of Addition and Mental Strategies
Apply the commutative, associative, and identity properties to calculate sums within 20 and up to 100.
3
8 lessons
Fact Families and Part-Whole Relationships
Connect addition and subtraction through fact families, bar models, and balance scales.
4
8 lessons
Understanding Equivalence and Equations
Understand the equal sign as balance, evaluate true/false equations, and solve missing-number equations in all positions.
5
9 lessons
Word Problems: Addition and Subtraction Within 100
Solve one-step and two-step addition and subtraction word problems across various situation types within 20 and extending to 100.
6
9 lessons
Equal Groups, Arrays, and Early Multiplication
Build multiplication and division concepts through equal groups, repeated addition, equal sharing, and rectangular arrays.
7
8 lessons
Repeating, Growing, and Cyclical Patterns
Identify, describe, extend, and create repeating, growing, and cyclical patterns using shapes, objects, sounds, and numbers.