Curated OER
Singapore Math: Grade 3a, Unit 1 (part 9)
Have your class work through a series of exercises focused on number patterns with place value. Present each problem, allow your class to work through each one, and then show them what Sal did to solve each problem. Every problem is...
Curated OER
How Do You Find the Value of a Digit in a Whole Number?
The instructor illustrates place value by first drawing a place value chart. Then she inserts the numbers in question so she can find the value of certain digits. I think her chart really helps visually.
Khan Academy
Video: Comparing Decimals
Use this video to show older elementary mathematicians that they can compare numbers using the same thinking that they did when they were in the first grade. Sal compares decimal numbers using the greater than and less than symbols. He...
Curated OER
Singapore Math: Grade 3a, Unit 2 (Part 7)
If you need to extend your four-digit addition example problems, this video is perfect. Sal provides a variety of practice problems firmly based on the place value system. Each problem is wonderfully explained using multiple colors and a...
Khan Academy
Singapore Math: Grade 3a Unit 2 (part 5)
What a great way to present multiple-digit addition! Sal adds the numbers 2803 and 1443. He draws a chart representing each of the four place values from the problem and then draws "place value buckets” to represent what each number...
Curated OER
Singapore Math: Grade 3a, Unit 1 (Part 4)
Place value is a challenging concept to grasp. In this video, the instructor links visual representations to numbers to make the concept more understandable. He uses different colors for thousands, hundreds, tens, and ones. He also uses...
Curated OER
How Do You Put Whole Numbers in Order From Greatest to Least?
So you want to put some given values in order from greatest to least? The instructor starts out by drawing a place value chart. She then inserts all the numbers into the chart. This helps you visually see their value so you can compare...
Curated OER
How Do You Compare Two Whole Numbers?
Two very similar numbers and you have to figure out which one is larger. The teacher diagrams a place value chart and shows you how to write the two numbers to make a comparison.
Curated OER
How Do You Compare Two Whole Numbers?
Two very similar numbers and you have to figure out which one is larger. The teacher diagrams a place value chart and shows you how to write the two numbers to make a comparison.
Curated OER
How Do You Multiply a Three-Digit Number by a One-Digit Number?
The teacher gives a very thorough explanation of how to set up and multiply numbers vertically. She emphasizes place value and where the numbers go when you multiply them (carrying).
Curated OER
How Do You Multiply a Three-Digit Number by a One-Digit Number?
The teacher gives a very thorough explanation of how to set up and multiply numbers vertically. She emphasizes place value and where the numbers go when you multiply them (carrying).
Curated OER
How Do You Subtract Whole Numbers?
Line up your numbers! The instructor shows you how to line your numbers up by place value. Then step by step she subtracts each place value. She demonstrates how to borrow when the top value is less than the bottom value you are...
Curated OER
How Do You Multiply Decimals?
Find the product of numbers that have decimals. First, ignore the decimals and multiply the integers. Second, count the place values of the decimals for each value given. Third, add the values together. Fourth, place the decimal in the...
Curated OER
Singapore Math: Grade 3a, Unit 1 (part 6)
By identifying numbers of greater and lesser value using a visual approach, a helpful video takes a deeper look at place value. It would be a great way to solidify concepts for those who learn visually. Using bright colors and grouping...
Curated OER
Singapore Math: Grade 3a, Unit 1 (part 5)
Using a visual approach to understanding place value, a video on Singapore Math quizzes viewers on material learned about number sense. The instructor takes a large number and breaks it down, identifying the values in the thousands,...
Curated OER
Singapore Math: Grade 3a, Unit 1 (part 9)
Have your class work through a series of exercises focused on number patterns with place value. Present each problem, allow your class to work through each one, and then show them what Sal did to solve each problem. Every problem is...
Curated OER
Singapore Math: Grade 3a, Unit 1 (part 8)
Sal provides a series of numbers for viewers to consider. They must attempt to identify the number pattern and predict the next two numbers in the sequence. The video contains various problems involving place value and pattern...
Curated OER
Primary Maths Addition
Learning new ways to look at basic addition problems can help young mathematicians better grasp place value, expanded form, and carrying. Watch the instructor add two and three-digit numbers together by breaking each number into tens and...
Math Antics
Fractions and Decimals
Divide parts into more parts. The presentation introduces decimals by continuing to divide parts into 10 more parts. Scholars learn the place values for decimals and how to write them.
Math Antics
Converting Base-10 Fractions
How do fractions and decimals relate? Scholars learn how to change base-10 fractions to decimals and vice-versa. The sixth resource in a 16-part series revisits decimal place value. The video walks through the steps to write decimal...
Curated OER
How Do You Multiply a Two-Digit Number by a Two-Digit Number?
It is very important to keep place value in mind when you are multiplying. The instructor draws a place value chart to help you see how to keep the numbers in their proper place. Too often pupils get messy and the numbers don't line up...
Curated OER
How Do You Add Whole Numbers?
Adding whole numbers can be tricky if you don't get all your numbers in alignment. So make sure to get the place value correct.
Curated OER
How Do You Add Whole Numbers?
Adding whole numbers can be tricky if you don't get all your numbers in alignment. So make sure to get the place value correct.
Curated OER
How Do You Write a Whole Number Given in Standard Form in Expanded Form and in Words?
The instructor does a good job explaining place value. She identifies each value and shows how to multiply the given number by place value to get it in expanded form. Once she has it in expanded form she demonstrates how to write it out...
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