Determine the unknown in an addition equation within 20 CCSS 1.OA.D.8
by The STEM Master © 2020
Premier Publisher
Price: $1.5 USD
Subjects: math
Grades: 13,1,2
Description
Determine the unknown whole number in an addition equation within 20. CCSS 1.OA.D.8
Acknowledgements
icons by Freepik from Flaticon