Subject: Subtraction Within 100

Underwater Subtraction #27

Subtraction in the Jungle #1

Using Base 10 Drawings in Two-Digit Subtraction

Subtracting Tens on an Open Number Line #3

Subtracting Tens on an Open Number Line #2

Subtracting Tens on an Open Number Line #1

Subtracting Tens on an Open Number Line: Write the Equation #3

Subtracting Tens on an Open Number Line: Write the Equation #2

Subtracting Tens on an Open Number Line: Write the Equation #1