Grades 1–3 math curriculum
Every skill starts with something kids can hold or see: ten-frames, number bonds, base-ten blocks, coins. Pictures come next, and written symbols come last. No countdown clocks, and as much thinking time as a child needs.
Grade 1
Number bonds, counting in tens and ones, and adding through 10.
Counting & Place Value within 100
Decompose numbers into tens and ones using glowing rods and cubes.
Common Core: 1.NBT.B.2
Addition within 20 via 10-Anchors
Add numbers by bridging through friendly anchors of 5 and 10.
Common Core: 1.OA.C.6
Coin Shatter Subtraction (10¢ Dime)
Shatter a 10¢ dime into 10 pennies and swipe away units to subtract.
Common Core: 1.MD.B.3
Take-from-10 Slicing (Mental Math Guide)
Slice 33 into 23 and 10 on the surface, subtract from 10, then merge the remaining parts.
Common Core: 1.OA.B.4
Extended Pattern Worlds: Swing, Bounce, Wave, Wheel
Extended pattern worlds covering repeating positions, trip counter rates, decreasing bounce steps, half-height fractions, wave rulers, and turn fractions with four universal formats.
Common Core: 1.OA.C.5, 2.OA.C.4, 3.NF.A.1, 3.OA.D.9
Pattern Lesson Cards: From Seeing Rule to Independent Use
Nine playable lesson cards moving from demonstration to guided, independent, and transfer questions with uniform predictable controls.
Common Core: 1.OA.C.5, 2.OA.C.4, 3.OA.D.9
Pattern Motion Lab: 7 Worlds (Watch -> Notice -> Predict -> Try)
Watch, notice, predict, and try physical motion patterns across number lines, balance scales, mirror symmetry, pendulums, waves, bounces, and wheels.
Common Core: 1.OA.C.5, 2.OA.C.4, 3.OA.D.9
Pattern Detective: Equal Groups & Shapes (WODB)
Find which one does not belong across equal groups, physical shapes, cosmic bodies, and size scales.
Common Core: 2.OA.C.4, 1.G.A.1
Share Garden: Equal Groups & Division
Explore equal sharing and partitioning with clay planters and seeds in Share Garden.
Common Core: 1.OA.C.5, 2.OA.C.4, 3.OA.A.2
Grade 2
Regrouping, mental subtraction, and working with larger numbers.
Trade a ten to subtract
Trade 1 ten for 10 ones to take away when there are not enough ones.
Common Core: 2.NBT.B.7
Constant Difference (Two-Finger Slide)
Slide both numbers together on the number line to keep the distance constant.
Common Core: 2.NBT.B.5
Stepping-Stone Bridge through Tens
Count up in stepping stones from the subtrahend to the next friendly ten.
Common Core: 2.NBT.B.7
Multiplication Matrix Metronome
Build repeated addition rows with snapping animations and pitch feedback.
Common Core: 2.OA.C.4
Grade 3
Arrays, multiplication as equal groups, and visual fractions.
Vedic 9-9-10 Complements Shield
Blast through subtraction from 100 and 1,000 using "All from 9, last from 10".
Common Core: 3.NBT.A.2
Dollar Pie Spatial Splitter (Fractions)
Slice a $1.00 bill into halves, quarters, and tenths using tactile fraction snaps.
Common Core: 3.NF.A.1