12 lessons from established maths channels, all taught by native English speakers and all matched to a specific section of Unit 1. Every video ID was verified, so none of these links are broken.
American Math with Mr. J
The place-by-place method: whole numbers first, then tenths, then hundredths.
American Math with Mr. J
Focuses on pairs of decimals and the “more digits means bigger” trap.
American stretchMath with Mr. J
More practice, including decimals with different numbers of places.
British Corbettmaths
The column method with the decimal points lined up.
American mathantics
Adding and subtracting decimals explained from place value upwards.
British stretchCorbettmaths
Worked solutions to a full practice set, including subtracting from a whole number.
British Corbettmaths
The count-the-decimal-places method that Stage 7 uses.
American Math with Mr. J
Covers both operations together, with plenty of worked examples.
British Corbettmaths
Exactly the Stage 7 skill: the bus-stop method with the point kept in line.
American Math with Mr. J
Needed for 4.4 too, because divisions often have to be rounded.
American mathantics
Watch again with 4.5 in mind: it shows why place value lets you rewrite a calculation more simply.
American Math with Mr. J
The idea behind most of the 4.5 shortcuts: 0.06 × 3500 is really 6 × 3500 ÷ 100.
| Section | Video | Channel | Accent | Level |
|---|---|---|---|---|
| 4.1 | Comparing and Ordering Decimals | Math with Mr. J | American | core |
| 4.1 | Comparing Decimals | Math with Mr. J | American | core |
| 4.1 | How to Compare Decimals | Math with Mr. J | American | stretch |
| 4.2 | Adding Decimals | Corbettmaths | British | core |
| 4.2 | Math Antics - Decimal Arithmetic | mathantics | American | core |
| 4.2 | Adding and Subtracting Decimals — worked answers | Corbettmaths | British | stretch |
| 4.3 | Multiplying Decimals | Corbettmaths | British | core |
| 4.3 | Multiplying and Dividing Decimals: A Step-By-Step Review | Math with Mr. J | American | core |
| 4.4 | Dividing Decimals by whole numbers | Corbettmaths | British | core |
| 4.4 | How to Round Decimals | Math with Mr. J | American | core |
| 4.5 | Math Antics - Decimal Arithmetic | mathantics | American | core |
| 4.5 | Multiplying and Dividing by Powers of 10 | Math with Mr. J | American | core |