Lesson 9: Subtracting with Dot Figures up to Twenty
Lesson 9: Subtracting with Dot Figures up to Twenty
20 Minutes
Mrs. Ashlee Deduijtsche
Instructions:
Students can use the domino pictures to help solve the subtraction problems.
One strategy to use it start with the picture that has the larger number (also the number from which a value is being subtracted) and cross out the number of dominos in the second picture. This is a great visualization for kids to see how subtraction works.