All Math Units

Unlock the complete collection of K–12 math units featuring engaging, standards-aligned lessons that build problem-solving, fluency, and real-world mathematical understanding.

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Pre-Kindergarten Math Units

Unit Plan 11 (PreK Math): Decompose to 5

Explore multiple ways to break numbers within 5 into parts using counters, cubes, and five-frames; name the whole and parts to build early number sense.

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Pre-Kindergarten Math Units

Unit Plan 10 (PreK Math): Add & Take Away Stories

Act out join and take-away stories within 5 using toys or fingers; model what changed, say how many now, and explain thinking with simple words and mats.

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Pre-Kindergarten Math Units

Unit Plan 9 (PreK Math): Subitize Small Sets

Recognize how many in small sets (to 3–5) instantly; use dot, domino, finger, and five-frame patterns to match numerals and explain part–part–whole thinking.

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Pre-Kindergarten Math Units

Unit Plan 8 (PreK Math): Counting in Motion—1 to 10

Count to 10 through movement and play; use one-to-one actions to match each count to objects and tell “how many,” then connect totals to numerals or ten-frames.

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Pre-Kindergarten Math Units

Unit Plan 7 (PreK Math): Compose with Shapes

Compose simple pictures by combining shapes; name the parts and whole, check for gaps or overlaps, and notice how pieces fit to build early geometric structure.

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Pre-Kindergarten Math Units

Unit Plan 6 (PreK Math): Build & Draw Shapes

Build and draw circles, squares, triangles, and rectangles using hands-on tools; describe straight/curved sides and corners to compare shapes and connect models to real-world objects.

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Pre-Kindergarten Math Units

Unit Plan 5 (PreK Math): Position Words & Play

Use positional words (in, on, under, next to, behind) to describe and model where objects are; follow and give simple directions through play, maps, and hands-on activities.

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Pre-Kindergarten Math Units

Unit Plan 4 (PreK Math): Shapes in Our World

Identify and compare circles, squares, triangles, and rectangles in real-world objects; sort, build, and describe shapes using simple attributes like sides, corners, straight and curved lines.

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Pre-Kindergarten Math Units

Unit Plan 3 (PreK Math): Comparing to 5

Compare sets and numerals 0–5 using one-to-one matching, five-frames, and dot pictures; describe which has more, fewer, or the same to build early comparison language.

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Pre-Kindergarten Math Units

Unit Plan 2 (PreK Math): Numbers 0–5—See It, Say It, Show It

Recognize, represent, and write numerals 0–5 through one-to-one counting, five-frames, drawings, and multi-sensory writing to build early number sense and cardinality.

Pre-Kindergarten Math Units

Unit Plan 1 (PreK Math): Math Routines & Counting to 5

Build counting routines to 5 using one-to-one strategies, five-frames, songs, and play; children show “how many,” compare small sets, and use math talk to build early number sense.

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Kindergarten Math Units

Unit Plan 36 (Grade K Math): Cumulative Synthesis & Exhibition

Showcase counting, comparing, operations to 10, teen numbers, shapes, and data through hands-on challenges and math talks, using clear evidence and multiple representations.

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Kindergarten Math Units

Unit Plan 35 (Grade K Math): Measure & Compare Review

Describe and compare length and weight by aligning endpoints and using balance scales; make clear claims—longer/shorter, heavier/lighter—and justify each with visible evidence.

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Kindergarten Math Units

Unit Plan 34 (Grade K Math): Sort–Count–Compare (Data Project)

Sort objects by one attribute, count each category, and compare using more, fewer, or same; record results with simple charts and justify comparisons with clear math language.

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Kindergarten Math Units

Unit Plan 33 (Grade K Math): Teen Numbers—Show & Tell

Represent teen numbers (11–19) as ten and some ones using multiple models—ten-frames, cubes, drawings—and justify how each model matches with a 10 + n equation.

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Kindergarten Math Units

Unit Plan 32 (Grade K Math): Make Ten & Decompose

Blend “make ten” and decomposing numbers ≤10 using ten-frames, number bonds, and equations; find complements to 10, show part–whole pairs, and explain tool choice to build fluency.

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Kindergarten Math Units

Unit Plan 31 (Grade K Math): Add/Sub within 10—Choice of Tools

Choose counters, drawings, or equations to solve addition and subtraction within 10, then explain why the tool fits and how the model and equation match the story.

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Kindergarten Math Units

Unit Plan 30 (Grade K Math): Compare & Justify (0–20)

Compare sets and numerals within 0–20 using matching, counting, and ten-frames to decide greater, less, or equal, and justify each comparison with clear math talk.

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Kindergarten Math Units

Unit Plan 29 (Grade K Math): Read/Write 0–20 & Match Sets

Read and write numerals 0–20, then match or create sets with one-to-one counting, saying the last number to tell “how many” and checking with ten-frames or number lines.

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Kindergarten Math Units

Unit Plan 28 (Grade K Math): Count to 100

Count to 100 by ones and tens, and count on from any number within 100 using charts, number lines, and counting collections to track one-more and ten-more patterns.

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Kindergarten Math Units

Unit Plan 27 (Grade K Math): Compose with Shapes

Compose larger shapes and pictures using triangles, rectangles, and squares; trace parts, check for no gaps or overlaps, and explore multiple ways to make the same whole.

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Kindergarten Math Units

Unit Plan 26 (Grade K Math): Model & Draw Shapes

Build and draw shapes from verbal attributes; identify sides, corners, and curves; and name shapes correctly in any size or orientation.

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Kindergarten Math Units

Unit Plan 25 (Grade K Math): Analyze & Compare Shapes

Compare 2D and 3D shapes by naming shared attributes (sides, corners, faces, edges, flat/curved surfaces), describing similarities and differences, and justifying shape sorts.

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Kindergarten Math Units

Unit Plan 24 (Grade K Math): Positions & Paths

Use positional words (above, below, next to, in front of, behind) to describe object locations and give/follow simple routes using mats, pictures, and classroom obstacle paths.

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Kindergarten Math Units

Unit Plan 23 (Grade K Math): Decompose & Record

Decompose numbers 6–10 in multiple ways using models (ten-frames, number bonds), then record matching equations and explain that “=” means the same total even when addends switch.