mathGrade 6
Fraction-Division Bars
6.NS.A.1· Compute quotients of fractions“Show why dividing by a fraction makes the answer bigger, not smaller.”
The Gallery
Every card shows the real curriculum standard and the exact sentence a teacher typed to make it — the product’s core claim, demonstrated 15 times over.
Math & physics manipulatives
15 manipulatives
mathGrade 7
Integer Number Line
7.NS.A.1· Add/subtract rational numbers on a number line“Let them feel that subtracting a negative moves you to the right.”
mathGrade 6
Double Number Line
6.RP.A.3· Reason about ratios with tables & double number lines“Show that 3 apples for $2 is the same rate as 9 for $6.”
mathGrade 8
Slope Explorer
8.EE.B.5· Graph proportional relationships; interpret slope“Let them see that a steeper line means a bigger rate of change.”
mathGrade 4
Equivalent-Fraction Wall
4.NF.A.1· Recognize/generate equivalent fractions“Show that 1/2 and 2/4 cover the exact same amount.”
mathGrade 8
Pythagorean Squares
8.G.B.7· Apply the Pythagorean theorem to find side lengths“Let them see a² + b² literally fill up c².”
mathGrade 6
Mean as a Balance Beam
6.SP.A.3· A measure of center summarizes data with one number“Show that the mean is the balance point of the data.”
mathGrade 8
Function Machine
8.F.A.1· Understand a function as one output per input“Let them feel that a function gives exactly one output per input.”
mathGrade 7
Probability Spinner
7.SP.C.6· Approximate probability from long-run frequency“Show that more spins get closer to the true probability.”
mathGrade 3
Area-Model Multiplier
3.MD.C.7c· Area models and the distributive property“Show that 4 × 13 is 4 × 10 plus 4 × 3.”
physicsGrade 9-12
Free-Fall Race
HS-PS2-1· Newton's 2nd law: net force, mass, acceleration“Prove a heavy ball and a light ball hit the ground at the same time.”
physicsGrade 9-12
Projectile Launcher
HS-PS2-1· Analyze force/mass/acceleration relationships“Let them find the launch angle that throws the ball farthest.”
physicsGrade 6-8
Wave Amplitude vs Frequency
MS-PS4-1· Mathematical model of a wave's properties“Show the difference between a louder wave and a higher-pitch wave.”
physicsGrade 6-8
Net-Force Cart
MS-PS2-2· Change in motion depends on net force and mass“Let them feel that more force or less mass means more acceleration.”
physicsGrade 6-8
Kinetic-Energy Explorer
MS-PS3-1· Kinetic energy relates to mass and speed“Show that doubling speed quadruples the energy.”