In this video, Jada learns how to divide when the divisor is a multiple of ten.

In this video, Alex learns to divide whole numbers by moving the decimal point.

In this video, Alex learns how to estimate a division problem when both numbers are decimals.

In this video, Jada learns how to compare fractions using common denominators.

In this video, Jada learns how to use common denominators for addition and subtraction.

In this video, Emily uses an addition fact to solve a subtraction problem.

In this video, Marta learns to fill a 10-frame model to solve an addition problem.

In this video, Marta uses data collected in a T-chart to make a picture graph displaying her friends' favorite vegetables.

In this video, Marta uses 10-frames to count to 120 by tens.

In this video, Marta learns how to use 10-frames and counters to solve an addition problem.

In this video, Carlos uses addition facts and sentences to solve subtraction problems, and learns that addition facts and subtraction facts are related.