
Public learning track
Cardinality and Conservation of Quantity
Early Years · Math · Open Global Math
9 lessons
Goal
Understand that the last number counted tells the total quantity and that spatial rearrangement does not change count.
Featured Diagrams
The Last Number Tells How Many
9 lessons
0 of 9 done
- 1The Last Number Tells How ManyUp nextStart
- 2Answering How Many for Sets Up to 10PremiumNot started yet
- 3Spreading Things Out Doesnt Change the CountNot started yet
- 4Moving Things Around Doesnt Change the CountNot started yet
- 5Counting the Same Group in Different DirectionsNot started yet
- 6Each Number is One More Than BeforeNot started yet
- 7Matching Sets with Equal Quantities Regardless of AppearanceNot started yet
- 8Big Things Can Be Fewer Than Small ThingsNot started yet
- 9Counting Challenges: How Many Are There?Not started yet
Curriculum Framework
Early Years · Math · Open Global Math
1
9 lessons
Oral Counting and Number Words to 20
Verbally recite the forward number sequence from 1 to 20 with rhythmic fluency and auditory confidence.
2
8 lessons
One-to-One Counting Objects to 5
Accurately touch and count sets of up to 5 concrete objects using one-to-one correspondence.
3
9 lessons
One-to-One Counting Objects to 10
Count structured and scattered collections of up to 10 objects with consistent one-to-one correspondence.
4
9 lessons
Cardinality and Conservation of Quantity
Understand that the last number counted tells the total quantity and that spatial rearrangement does not change count.
5
8 lessons
Perceptual Subitizing to 5
Instantly recognize and name small quantities up to 5 without counting one by one.
6
9 lessons
Recognizing and Matching Numerals 0 to 5
Identify, read, trace, and match written numeral symbols 0 to 5 with corresponding quantities.
7
9 lessons
Recognizing and Matching Numerals 6 to 10
Read, identify, and pair written numerals 6 to 10 with matching collections and structures.
8
10 lessons
Comparing Quantities and Groups to 10
Compare two groups of up to 10 items using matching and counting to determine more, fewer, or equal.
9
8 lessons
Ordinal Numbers and Sequencing to Fifth
Use ordinal position words (first, second, third, fourth, fifth, and last) to identify relative placement.
10
9 lessons
Putting Together: Early Addition to 5
Model, describe, and solve joining situations (adding to and putting together) with totals up to 5.
11
9 lessons
Taking Away: Early Subtraction to 5
Model, describe, and solve separating and taking away situations within 5.
12
9 lessons
Composing and Decomposing Numbers to 5
Decompose numbers up to 5 into pairs of parts in multiple ways using manipulatives and drawings.
13
9 lessons
Repeating Patterns and Sequences
Identify, duplicate, extend, and create repeating patterns using manipulatives, sounds, and visual elements.
14
8 lessons
Fair Sharing and Equal Halves
Divide small even collections of objects equally between two recipients using fair sharing strategies.
15
10 lessons
Comparing Length and Height
Directly compare the length and height of two objects using comparative measurement vocabulary.
16
9 lessons
Comparing Weight and Capacity
Directly compare weight and capacity of everyday objects using comparative vocabulary.
17
8 lessons
Ordering Objects by Size and Length
Seriate and order three concrete objects by size, length, or height through direct side-by-side comparison.
18
10 lessons
Sorting, Classifying, and Data Counting
Sort objects into categories by a single attribute and count the number of items in each group up to 5.
19
10 lessons
Everyday Time, Daily Routines, and Sequencing
Use temporal vocabulary and sequence daily events, routines, and relative days of the week.
20
10 lessons
Identifying 2D Shapes and Their Attributes
Identify, name, and describe attributes of basic two-dimensional shapes (circles, squares, triangles, rectangles).
21
10 lessons
Solids, Spatial Positions, and Shape Building
Identify 3D solid shapes, describe positions in space, and compose/build figures with shapes.