What addition skills should Grade 2 students master?

Grade 2 students should master adding whole tens (30 + 80), adding 2-digit and 1-digit numbers, working with missing addends, and understanding place value in addition. They should develop fluency with mental math strategies and be able to add within 100. According to the Common Core State Standards , second graders should add and subtract within 100 using strategies based on place value.

How can I help my child learn addition with whole tens?

Start by using base-10 blocks or place value charts to show how adding whole tens works. Practice with problems like 30 + 80 = 110, emphasizing that you're adding tens. Use number lines to visualize the jumps. Resources from NCTM suggest that understanding place value is crucial for mastering whole tens addition.

What are the best strategies for teaching 2-digit addition?

Begin with concrete manipulatives like base-10 blocks to show place value. Teach students to break numbers apart (78 = 70 + 8) and add parts separately. Use number lines and hundred charts. Encourage mental math strategies once students understand the concept. Education experts recommend scaffolding from concrete to abstract representations.

How do I teach missing addend problems?

Missing addend problems help students understand the relationship between addition and subtraction. Start with simple problems like 78 + __ = 81, using manipulatives to show what's missing. Teach students to use subtraction to find the missing addend (81 - 78 = 3). Use number lines and visual models to reinforce the concept.

Grade 2 Addition: Strategies, Worksheets & Activities

Master addition within 100 using proven strategies, free printable worksheets, and engaging activities. Help your second grader build fluency with whole tens, 2-digit addition, and mental math.

Grade 2 Addition Worksheets

These math worksheets help second graders practice adding whole tens, adding 2-digit and 1-digit numbers, and solving problems with missing addends. Build fluency and confidence with place value understanding.

Whole tens

Learn to add whole tens and solve problems with missing numbers

Adding whole tens

30 + 80 =

Adding whole tens, missing number

___ + 80 = 110

Harder addition

Practice adding 2-digit and 1-digit numbers with and without missing addends

Add 2-digit and 1-digit numbers

78 + 3 =

Add 2-digit and 1-digit numbers, missing addend

78 + __ = 81

Frequently Asked Questions

Learning Objectives & Standards

What Students Will Learn

Add whole tens and understand place value in addition
Add 2-digit and 1-digit numbers using mental strategies
Solve problems with missing addends
Develop fluency with addition within 100

Standards Alignment

These resources align with the Common Core State Standards for Grade 2 Number & Operations in Base Ten:

2.NBT.B.5:Fluently add and subtract within 100 using strategies based on place value
2.NBT.B.6:Add up to four two-digit numbers using strategies based on place value