This package is designed to help your students practice objective 1.3F Generate and solve problem situations when given a number sentence involving addition or subtraction of numbers within 20.
There are three sets:
- Result unknown number sentences
- Change unknown number sentences
- Start unknown number sentences
Each set includes 20 task cards number sentences each (addition and subtraction), 4 answer sheets for your students with guide, a blank answer sheet, and an answer key for you.
A $10.50 value for only $9.00 !!