Idea 10of 24Builds onTimes 0.1 is one tenth
Times 0.01 is one hundredth
What does multiplying by 0.01 do to a number?
Today you'll discover
- how far the digits move
- where the zeros come from
- how it matches ÷ 100
Think first36 in a place-value chart
36 × 0.1 is 3.6. What is 36 × 0.01?
Decide first, then press Next. Count the places each digit moves.
A place-value chart with 36 in the top row. Arrows take each digit two columns to the right; the digits slide into the bottom row as 0.36, with a 0 written in the ones. The words say × 0.01 is the same as ÷ 100. The last step shows 8.
See the whole ideathe big idea and the key word, in one place
The big idea
Times 0.01 takes one hundredth: every digit moves two places to the right.
One place, then two
The same 36, a tenth and then a hundredth.
- 36start
- × 0.13.6
- × 0.010.36
Where it goes nextCentimetres to metres: 36 cm is 36 × 0.01 m, which is 0.36 m.
Key word
- hundredth
- one of 100 equal parts of a whole, written 0.01
Ready to use it?
- Multiply a whole number by 0.01 in your head.
- Write the zeros that hold empty places.