Curated Video
Mental Math: Adding 10 or 100 using Base 10 Blocks
This video explains how to add 10 or 100 to a number in your head using mental visualization of base 10 blocks. The instructor reviews the structure of three-digit numbers and how each digit represents different values depending on its...
NUMBEROCK
Number Sentences Song by NUMBEROCK | How to Write a Number Sentence for 1st Grade and 2nd Grade
Video: Number Sentences | How to Write a Number Sentence Grade Levels: 1st Grade - 2nd Grade Join Edwin on this exciting expedition where he learns that mathematical statements using numbers and symbols are called number sentences. He...
Curated Video
Finding Perimeter of Squares and Rectangles with Missing Side Lengths
In this video, the teacher explains how to find the perimeter of a square or rectangle with a missing side length by using square tiles. The teacher emphasizes the difference between area and perimeter and demonstrates how to determine...
Curated Video
Finding the Area of a Rectangle through Multiplication and Addition
In this video, the teacher explains how to find the area of a rectangle using multiplication and addition. They provide examples and break down the process step by step, making it easy for students to understand.
Curated Video
Adding Fractions with Like Denominators
Learn how to add fractions with like denominators using number sentences. The teacher emphasizes the concept of fractions as equal parts of a whole and demonstrates how to visualize and add fractions by adding the numerators while...
Curated Video
Regrouping and Decomposing in Subtraction with Zeros in the 10s or Ones Places
In this video, students learn how to subtract numbers that have zeros in the tens or ones places by regrouping or decomposing hundreds or tens. The teacher uses base 10 blocks to demonstrate the concept and guides students through two...
Curated Video
Finding the Perimeter of Polygons with More than Four Sides
In this video, students are taught how to find the perimeter of polygons with more than four sides by adding the side lengths. The teacher emphasizes the difference between perimeter and area, and highlights common mistakes students...
Curated Video
Solving Equal Groups Word Problems with Bar Models
In this video, students learn how to solve equal groups word problems by drawing a bar model. The video provides step-by-step examples of how to use the bar model to solve problems involving equal groups, such as dividing books evenly...
Curated Video
Dividing with Fractions: Using Visual Fraction Models
In this video, the teacher explains how to solve division problems with fractional answers using visual fraction models. The examples given involve sharing licorice ropes and lemonade equally among a certain number of children. The...
Curated Video
Division Fluency Using Fact Families
In this lesson, students learn how knowing multiplication quick facts can help them divide fluently. By using fact families, they can easily solve division problems by thinking about the related multiplication facts. This strategy helps...
Wonderscape
Addition and Subtraction Equations
In this video, Common Core 1st Grade requirements on are introduced, including addition, subtraction, number sentences, the equal sign, the commutative property of addition, and the associative property of addition. On screen,...
Curated Video
Adding and Subtracting within 20 Using Doubles
In this video, students learn how to add and subtract within 20 by using doubles. The teacher explains the concept of doubles facts and how they can make adding easier. Students also learn about fact families and how addition and...
Curated Video
Finding the Area of a Rectangle Using the Distributive Property
In this video, students learn how to find the area of a rectangle using the distributive property. The teacher explains the concept step-by-step, breaking down the rectangle into smaller sections and demonstrating how to multiply the...