
Public learning track
Comparing Quantities and Numerals to 20
Kindergarten · Math · Open Global Math
11 lessons
Goal
Compare sets of objects up to 20 and numerals 1 to 10 using one-to-one matching, counting strategies, and comparative language.
Featured Diagrams
Comparing Two Sets Using Matching Strategies
11 lessons
0 of 11 done
- 1Comparing Two Sets Using Matching StrategiesUp nextStart
- 2Matching Objects in Lines to Compare SetsPremiumNot started yet
- 3Identifying Sets That Have the Same or Equal Number to 5Not started yet
- 4Which Group Has Fewer? Comparing With ObjectsNot started yet
- 5Which Group Has More? Comparing With ObjectsNot started yet
- 6Comparing Sets Using More, Fewer, and SameNot started yet
- 7Comparing Two Numerals from 1 to 10 Using Counting OrderNot started yet
- 8Greater Than, Less Than, and Equal ToNot started yet
- 9Comparing Sets of Objects Up to 20 Using Ten-FramesNot started yet
- 10Comparing Numbers Up to 20 Using Greater Than and Less ThanNot started yet
- 11Ordering Three or More Quantities from Least to GreatestNot started yet
Curriculum Framework
Kindergarten · Math · Open Global Math
1
7 lessons
Perceptual and Conceptual Subitizing to 10
Instantly recognize small quantities up to 5 and compose larger quantities up to 10 using dot cards, five-frames, and ten-frames without counting one by one.
2
14 lessons
Counting Principles and Spatial Arrangements to 20
Count, quantify, and construct collections of up to 20 objects in diverse arrangements using one-to-one correspondence, cardinality, conservation, and hierarchical inclusion.
3
10 lessons
Reading, Writing, and Representing Numerals 0 to 20
Read, write, and represent numerals 0 through 20 with physical manipulatives, drawings, zero as empty sets, and positions on a number line.
4
11 lessons
Oral Counting Sequences and Patterns to 100
Recite forward oral counting sequences by ones and tens up to 100, count backward from 20 to 0, and count forward from any starting number.
5
11 lessons
Comparing Quantities and Numerals to 20
Compare sets of objects up to 20 and numerals 1 to 10 using one-to-one matching, counting strategies, and comparative language.
6
10 lessons
Skip-Counting by 2s, 5s, and 10s with Groups and Coins
Skip count forward by 2s to 20, and by 5s and 10s to 100, connecting skip counting patterns to paired items, nickel/dime coin values, and bundle groups.