Math Mysteries
Abracus needs your help to figure out where the error is in his addition problem!
Lesson 201
Math
1st Grade
Look closely to see if you can find D.C.'s error in his addition.
3rd Grade
Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Find Which One [...]
Kindergarten
Help Dotson count birds and help Mrs. Gray create towers for numbers and put them in order from 1 to 10.