Resource Library

Solving 2 digit addition problems

Grades: 1st Grade

Subjects: Math

Standards: Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten. (1.NBT.4.)

Student Instructions

1.. On pages 1, watch 👀 the math lesson video if you need a review OR tap the link below ⬇️. https://bethelsd.instructuremedia.com/embed/91e2bc88-9a02-4d5f-b02e-912fd2d0f2f3 *Use pages 2 to review the different strategies and how to show your thinking. 2. Use the drawing to complete the problems on pages 3-5. 3. Tap the green check to turn in your work.

Teacher Notes (not visible to students)

Students use a variety of strategies to solve 2-digit addition problems. Examples of strategies are provided for students (quick tens and ones, arrow way, number bond).

Teachers, save “Solving 2 digit addition problems” to assign it to your class.

Solving 2 digit addition problems

Related Activities