MATH LESSON: 1st GRADE
Numbers Base Ten: "Adding within 100 (Vertical)"
Lesson 1 of 5. Students will add two digit numbers (digits will be carried from the Ones column to the Tens column). The worksheets include one problems page, an answer page with a number bank, and one answers page. *
ABOUT THE AUTHOR: Elizabeth Sweet has taught grades 3-5 since 2003. Her awards include County Teacher of the Year (2015). When she’s not busy teaching 4th grade in the American public school system, she enjoys baking, reading, knitting and exploring nature.