CK-12 Foundation
Multiplying Matrices by a Scalar: Making Matrix Patterns
Scalar multiplication equations can be a drag. Scholars determine missing matrices to make correct scalar matrix multiplication equations. They place the correct matrix into the equations within the interactive resource and analyze the...
Physics Classroom
Rocking the Boat
Sometimes it's okay to rock the boat! Science scholars manipulate wave properties using a fun interactive. Part of a larger playlist that dives into waves and sound, the lesson helps users work their way from apprentice to wizard by...
Curated OER
Money Word Problems for Grade 4
In this money word problems for grade 4 worksheet, 4th graders answer 10 multiple choice questions about money, not interactively, then scroll down to see the answers.
Curated OER
Online Interactive Math: Upper Elementary: Mixed Skills
In this online math learning exercise, learners complete a 20 problem multiple choice online interactive learning exercise with mixed skills including geometry, rounding, and three digit multiplication.
Curated OER
Energy, Work and Power
In this energy, work and power activity, students solve 12 problems about circuits, electric motors, Ohm's Law and electric currents.