The Hindu–Arabic numeral system is a positional decimal numeral system, and is the most common system for the symbolic representation of numbers in the world. It was invented between the 1st and 4th centuries by Indian mathematicians.
DECIMALS
What does 0.999999... equal?
Key questions
1. Can we locate decimals on a number line?
2. Can we order a list of decimals?
3. Can we confidently add or subtract decimals?
4. Can we multiply and divide decimals?
~2 lessons
Literacy
stories that set a frame or background
stories that accompany or intertwine
stories that introduce
stories that explain
stories that ask a question
stories that entertain
Numbed! by David Lubar
Introducing...
decimal scales - 1
change - 3
decimal addition - 3
decimal search - 3
measures cm - 1
ordering fluency - 2
Developing...
crossums 4 rules - 3, 4
radiating decimals - 3, 4
smile workcards pack 1 - 1, 2, 3, 4
smile workcards pack 2 - 1, 2, 3, 4