by Danijela NaranÄ‘a from Croatia

Price: 500 points or $5 USD

Subjects: math

Grades: 1,2

Description: Find the missing addend in sum less than 20! Themed: Back TO School Activity: Click The Correct Answer Cards and answers are randomized CCSS.MATH.CONTENT.1.OA.D.8 Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.