two boxes with dots in them

Place Value

20 lessons

  1. AWhat Do You Know?a quick check of what you already know
  2. 1How Many Reds?count the squares of one colourAlien RescuePlay
  3. 2Ten and Some Morewhich ten comes next
  4. 3Carry On Countingcount on from any number
  5. 4Past a Hundredpast one hundred
  6. 5Ten at a Timeten, twenty, thirty
  7. 6Ten Makes Oneten of these make one of those
  8. 7Make the Numberbuild it, one place at a time
  9. 8Change the Numberadd bundles, take bundles away
  10. 9When Nine Runs Outthe ten digits, and the box that comes next
  11. 10The Next Box Alongwhen two boxes are not enough
  12. 11Zero Holds the Placewhy a zero is never nothing
  13. 12A Number Pulled Apartevery place, written out
  14. 13How Many Groupsa digit counts its own place
  15. 14The Marks in Betweenfind the number on each mark
  16. 15Descending the Number Line: Hundredsdown the line
  17. 16Scaling the Number Linezoom in, zoom out
  18. 17Scaling the Number Line: 5sby fives
  19. 18Number Line Launchblast along the line
  20. 19Ancient Mathhow numbers were written long agoTally HoPlayEgyptian NumbersPlayNumber BuilderPlayLess or MorePlayRounding RushPlay