Public learning track
Comparing and Ordering Numbers Up to 120
1st Grade · Math · Open Global Math
7 lessons
Goal
Compare and order two-digit and three-digit numbers up to 120 using place-value reasoning, comparative terms, and comparison symbols (>, <, =).
Featured Diagrams
Comparing Numbers Using the Tens Place
7 lessons
0 of 7 done
- 1Comparing Numbers Using the Tens PlaceUp nextStart
- 2Comparing Two Numbers With the Same Tens DigitPremiumNot started yet
- 3Using Greater Than, Less Than, and Equal To SymbolsNot started yet
- 4Comparing Numbers Up to 120 with Base-Ten ModelsNot started yet
- 5Finding Numbers Between Two Given NumbersNot started yet
- 6Ordering Numbers from Least to Greatest and Greatest to LeastNot started yet
- 7Solving Real-World Comparison Word Problems Up to 120Not started yet
Curriculum Framework
1st Grade · Math · Open Global Math
1
9 lessons
Place Value and Flexible Grouping to 120
Understand tens and ones as place value units and compose and decompose two-digit and three-digit numbers up to 120 in standard and flexible ways.
2
7 lessons
Comparing and Ordering Numbers Up to 120
Compare and order two-digit and three-digit numbers up to 120 using place-value reasoning, comparative terms, and comparison symbols (>, <, =).
3
6 lessons
Mental Patterns: 1 More, 1 Less, 10 More, 10 Less
Mentally find 1 more, 1 less, 10 more, and 10 less than any two-digit number and explain digit patterns without counting.
4
9 lessons
Adding Two-Digit Numbers Within 100
Add within 100 using concrete models, number lines, place-value strategies, and expanded column methods, composing a ten when needed.
5
7 lessons
Subtracting Multiples of Ten and Subtracting from Decade Numbers
Subtract multiples of 10 from multiples of 10 and subtract single digits from decade numbers using concrete models, number lines, and inverse addition relationships.