WIP Menu Example 5
Add Three-Digit number by 10 or 100
2.NBT.B.8
Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.
Step-by-Step Videos
Adding Three-Digit Number by 10
Adding Three-Digit Number by 10 (Beginner)
Adding Three-Digit Number by 10 (Advanced)
Adding Three-Digit Number by 100
Adding Three-Digit Number by 100 (Beginner)
Adding Three-Digit Number by 100 (Advanced)
