Mrs. Krieger's helpful hints (from ScreenChomp) for NBT. 5-7:
A Decimal Multiplied by a Single-Digit Number
http://www.screenchomp.com/t/r3ZBNUgcnH
Adding & Subtracting Decimals
http://www.screenchomp.com/t/BY0Coj8y7hz
Area Models for Decimal Multiplication (beginning)
http://www.screenchomp.com/t/gn27rOYfUe
Area Models for Whole Number Multiplication
http://www.screenchomp.com/t/5AaVglESg
3-digit by 3-digit Multiplication (Trad'l.)
http://www.screenchomp.com/t/sbqUJnoeoZ
A Decimal Divided by a Single-Digit Number
http://www.screenchomp.com/t/rPIQY99aqe
"Getting Rid" of the Remainder in Decimal Division
http://www.screenchomp.com/t/P0iGVwXm
Estimating in Division Problems
http://www.screenchomp.com/t/i71VvcWLU6
A Decimal Divided by a Whole Number
http://www.screenchomp.com/t/sB7g6F7w5BX6
A Decimal Divided by a Decimal
http://www.screenchomp.com/t/m5NTYKFo