## Math Videos

# Tutorial Videos

## Chapter 1

Writing Numbers in Expanded Form

Solving Part, Part, Whole Problems

Solving Additive Comparison Problems

## Chapter 2

How to tell the difference between additive and multiplicative comparisons

Modeling Multiplicative Comparison Problems

Solve multiplicative comparison word problems by using bar models

Solve multiplicative comparison word problems by using a multiplication sentence

Multiplying 1-digit numbers by 10, 100, and 1000

Multiplying by Multiples of 10, 100, and 1000

Solve multiplication problems using the distributive property

Solve Mulitplication problems using an area model

## Chapter 3

Multiplying by Multiples of 10, 100, and 1000

Use an area model for multiplication of two-digit numbers by two-digit numbers

Using base ten blocks to model multiplication

Explaination of Why Students Are Taught Multiplication Differently Today

Multiplying 2 digits by 2 digits using the distributive property

## Chapter 4

Multiplication and Division Arrays

Using Base Ten Blocks to Model Long Division

## Chapter 5

Finding all of the factors of a number

## Chapter 6

Decompose fractions into unit fractions

Make equivalent fractions using multiplication

Compare fractions with the same denominator by reasoning about their size

Compare fractions with the same numerator by reasoning about their size

Compare fractions to a benchmark of one half using number lines

Add and subtract fractions with like denominators

## Chapter 7 & 8

Practice decomposing fractions and mixed numbers

Write fractions greater than one as mixed numbers

Multiply fractions by whole numbers: using models

Multiply by fractions: using repeated addition

Use a fraction model for multiplication of fractions and whole numbers

## Chapter 9

Math Antics - Decimal Place Value

Convert fractions into decimals to the tenths place

Convert fractions into decimals to the hundredths place

Writing Tenths and Hundredths with Decimals

Visually converting from tenths to hundredths | 4th grade | Khan Academy

Add tenths and hundredths by creating equivalent fractions

Adding Fractions with Denominator 10 and 100

Compare two decimals to the hundredths place using fraction models

Comparing decimals example 1 | Decimals | 4th grade | Khan Academy

## Chapter 10

Identify points, lines, line segments, and rays

Acute, obtuse, and right angles

Drawing acute, obtuse, and right angles

Perpendicular & Parallel Lines

Sorting shapes based on lines and angles

## Chapter 11

Measure an angle using fractions of a circle

Measuring angles with a protractor

Drawing angles with a protractor

## Chapter 12

Compare and convert customary units of length

Compare and convert metric units of length

## Chapter 13

Find the perimeter of a square or rectangle by adding side lengths

Understand the concept of area

Understand that the area of a rectangle can be determined by multiplying side lengths

Finding area, perimeter, and missing sides

Solve problems by distinguishing between area and perimeter