Student Instructions
Follow the steps on the first 3 pages to solve using the Chip Model.
1. Build only the greater number using the chip dots.
2.
If you need to unbundle a ten, cross it out then move the 10 ones box to the ones place.
Take away the smaller number.
3.
Count up what is left from the place values and type the difference.
Tell if you needed to unbundle a 10.
Teacher Notes (not visible to students)
Supplement Activity for Eureka/Bluebonnet Math Module 4, Lesson 13.