In this video, Marta learns how to compare groups of items, without counting them, to determine which group has more.
In this video, Daniel learns how to count two-digit numbers using groups of 10 (tens) and lefotver 1s (ones).
In this video, Alex learns how to solve problems by making a list of questions to organize possible answers to find the correct answer.
In this video, Carlos uses addition facts and sentences to solve subtraction problems, and learns that addition facts and subtraction facts are related.
In this video, Alex and Marta learn how to multiply 4-digit numbers and 1-digit numbers using place values.
In this video, Jada learns how to use the standard algorithm and place values to multiply 2-digit numbers by multiples of ten.
In this video, Zeke learns how to classify triangles by side length (equilateral, isosceles, scalene) and angle measurement (right, acute, and obtuse).
In this video, Marta learns various ways to subtract 2-digit numbers from 2-digit numbers, including regrouping and marking out.
In this video, Emily and Carlos learn to solve math problems that have missing information by using a 2-step process of asking questions and then checking the answer.
