Give young arithmeticians an applicable way to use their addition and subtraction skills with these five word problems. Each one presents a scenario requiring they add or subtract numbers with units (money, distance, weight,...

Develop probability distributions from simulations. Young mathematicians use simulations to collect data. They use the data to draw graphs of probability distributions for the random variable in question.

Third graders develop their algebraic thinking by recognizing a variety of patterns using concrete objects, numbers, tables, and pictures. In this George and Sam Save for a present lesson, 3rd graders communicate their mathematical...