Pupil outcome: I can use known facts to find complements to 100 efficiently. Key learning points: - Number facts to 10 can be applied to multiples of 10 - Using pairs to 10 and pairs to 100 we can find pairs to 100 - If we have a pair to...

Counting to 100 in Six Languages: English, French, Spanish, Portuguese, Chinese, and Arabic

Learn to Count to 100 in 6...

In this video, students learn how to subtract numbers within 100 using base 10 blocks. The teacher explains the concept of place value and demonstrates how to break apart numbers to make subtraction easier.

Pupil outcome: I can add and subtract to and from a 3-digit number bridging 100. Key learning points: - Addition and subtraction calculations can represent counting on and back over the 100s boundary. - When you count on in tens,...

This video explains the concept of place value and demonstrates how to break down each digit into its individual value. Students are guided through several addition problems, learning how to find the partial sums and then combine them to...

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...

This video teaches how to round numbers to the nearest hundred using base ten blocks. It begins with a review of base ten blocks and place value charts. Then, the video explains the process of rounding by considering the midpoint and...

In this video, students learn how to represent numbers with zeros in numeric word and expanded form using base 10 blocks and place value charts. The importance of understanding the value of each digit based on its place within the number...

Decimal Notation Song | Relating Fractions and Decimals | With Decimal Number Lines

Grades: 4th G

rade

Learn all about converting fractions to decimals in this song about decimal notation. Relating fractions to...

This video introduces percentages, explaining what they are and how they represent parts of 100. You'll see percentages visualised on a 100-square grid and learn how to solve missing percentage problems with clear, step-by-step examples

Erin Klein is an award winning educator, national keynote speaker, author, and mother who has been twice selected to serve on the Scholastic, Inc. Top Teaching Team based in New York. Her recent publication, Amazing Grades, was a...

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...

Video: Number Lines | Finding Sums and Differences on a Number Line

Grade Levels: 2nd Grade, 3rd

Grade

Rob is back riding his bike as he learns about adding and subtracting on the number line to measure his...

This video is a math lesson that teaches viewers how to compare two numbers using a number chart and the counting sequence. The video begins by introducing the 100 chart as a tool to count, add, and subtract. It also reviews place value,...

Ben, Katie, and Liz are measuring how tall they are. Ben is one and two tenths meters, Katie is one and five tenths meters, and Liz is one and eight tenths meters. How can we represent these numbers as decimals?

Pupil outcome: I can use different strategies to add multiples of 100 Key learning points: - Known facts help us to add multiples of 100 - If 3 plus 2 is equal to 5 then 3 one-hundreds plus 2 one-hundreds is equal to 5 one-hundreds. -...

To what number is it possible to count?

Is there a greater number than all, or does the account never end and is infinite? What is the largest number that anyone could have imag
ined?
The concept of the largest number can...

This video teaches learners how to multiply a 3-digit number by a 2-digit number using the written method - long multiplication.

This video teaches learners how to multiply a 4-digit number by a 1-digit number.

In this video, you'll learn all about the fascinating world of Roman numerals. With clear and concise explanations and examples, you'll gain a deep understanding of how to read and write Roman numerals. Practice questions and answers are...

This video explains how to efficiently add large numbers using the standard addition algorithm. The steps include lining up the numbers correctly and adding the common place values together and using a place value chart to visualize the...

What is the biggest number ever used? Graham's number, discovered in the 1970s by mathematician Ron Graham, is so big as to be unfathomable. No one even knows what the first digit is – and a special form of notation is needed to describe...

In this video we are going to look at how to do percentage increases and decreases, using multipliers. You should already know what percentages are, and how to find them. Example: A train ticket costing £40 is reduced by 20%. What is the...

In this video we are going to look at how to do percentage increases and decreases, using multipliers. You should already know what percentages are, and how to find them. Example: A train ticket costing £40 is reduced by 20%. What is the...