Price: 250 points or $2.5 USD

Subjects: math

Grades: 2,3,4

Description: Step by step 2 digit addition (30 questions) 2023 edition The step by step multi digit addition is an interactive lesson to guide students to quickly master how to do addition in a step by step fashion. CCSS 2.NBT.B.6 Add up to four two-digit numbers using strategies based on place value and properties of operations. CCSS 2.NBT.B.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. CCSS.MATH.CONTENT.4.NBT.B.4 Fluently add and subtract multi-digit whole numbers using the standard algorithm.