two little groups of dots joining up

Addition

24 lessons

  1. AYour Addition Starting Pointfind a comfortable place to begin adding
  2. 1Small Numbers Togetherjoin small groups and find pairs that make tenMeteor TotalsPlay
  3. 2Two of the Sameadd matching groups
  4. 3A Neighbour of Doubleuse a nearby double
  5. 4Does It Balance?check whether two totals agree
  6. 5The Hidden Partfind the part that is missing
  7. 6Ten Gets Some Morestart with ten and add ones
  8. 7Over the Tenjoin groups across ten
  9. 8Three Groups Togethercombine three small numbers
  10. 9Split, Then Joinbreak an addition into helpful parts
  11. 10Parts Make a Wholesee two parts inside one total
  12. 11A Stop at Tenmake a ten along the way
  13. 12Tens Meet Onescombine complete tens and extra ones
  14. 13Tens Togetheradd groups of ten
  15. 14A Hundred Togetherfind pairs that reach a hundred
  16. 15Join in the Machinecombine two numbers by place
  17. 16Two Places Togetherwrite a two-place addition
  18. 17Four Places Togetherjoin larger numbers by place
  19. 18Six Places Togetheradd all the way to lakhs
  20. 19A Ten Changes Placesexchange ten ones for one ten
  21. 20The Machine Carries Oncombine and regroup in the machine
  22. 21A Carry in Two Placesrecord a carried tenThe Sum SquarePlay
  23. 22Carrying Through Four Placesregroup across larger additions
  24. 23Addition Explorerbring your addition skills together