Factual Fluency, addition, subtraction with regrouping

Factual Fluency

https://www.mathplayground.com/ASB_MinusMission.html

Factual Fluency : AlienAddition

Factual Fluency: SkiAddition

Factual Fluency: TugTeamAddition

Subtraction with regrouping

https://mrnussbaum.com/fun-regrouping-in-subtraction-games-from-computermice

Games for addition with regrouping

Choose any of the games in the link.

Add the ones first. Key in the number. Then add the tens.

https://mrnussbaum.com/fun-regrouping-in-addition-games-from-computermice

Canoe_Puppies game