- lesson
- 2nd Grade
Mystery Math Mistake: Addition with Abracus Part 1
By Megan Elias onAbracus needs your help to figure out where the error is in his addition problem!
- lesson
- 2nd Grade
Mystery Math Mistake: 29+58
By Megan Elias onSee if you can figure out where D.C.'s mistake is.
- lesson
- 2nd Grade
Mystery Math Mistake: 38+15
By Megan Elias onSee if you can figure out where D.C.'s mistake is.
- lesson
- 2nd Grade
Mystery Math Mistake: Springling's Open Number Line Part 2
By Megan Elias onCan you find an error in Springling's open number line she used to subtract?
- lesson
- 2nd Grade
Mystery Math Mistake: Springling's Open Number Line Part 1
By Megan Elias onCan you find an error in Springling's open number line?
- lesson
- 1st Grade
Mystery Math Mistake: Ways to Make 10
By Megan Elias onDotson needs your help with his number bonds showing different ways to make 10.
- lesson
- 1st Grade
Mystery Math Mistake: D.C's Missing Addends
By Megan Elias onHelp D.C. find the missing addends in his number bonds.
- lesson
- 1st Grade
Mystery Math Mistake: Decomposing Teen Numbers
By Megan Elias onValue Pak needs your help with decomposing teen number, can you help?