Idea 4of 24Builds onTop number, bottom number
A fraction is a spot on the number line
Where does 3/4 live on a number line?
Today you'll discover
- how to cut 0 to 1 into equal spaces
- how jumps from 0 make a fraction
- why a fraction is a size
Think firstA dot between 0 and 1
Which fraction names the dot?
Decide first, then press Next. Count the spaces, not the marks.
A number line from 0 to 1 with marks cutting it into four equal spaces and a dot with a question mark. Then curved jumps from 0, numbered, reach the dot; then the dot is named; then every mark is named. The last step shows a line cut into sixths with a dot.
See the whole ideathe big idea and the key word, in one place
The big idea
A fraction is a spot on the number line: equal jumps counted from 0.
Easy to get wrongCount the spaces, not the marks. From 0 to 1 in fourths there are 5 marks but only 4 spaces.
Around youA 1 km trail with a sign every 1/4 km: after 3 signs you have walked 3/4 km.
Key word
- number line
- a straight line with numbers spaced evenly along it, starting at 0
Ready to use it?
- Place a fraction on a number line.
- Name the fraction at a dot.