Adding Whole Tens — Grade 2
Practice adding whole tens with free printable worksheets. Build fluency with place value addition for second graders.
Adding whole tens is a foundational skill that helps second graders understand place value and develop mental math strategies. These worksheets focus on addition problems where students add multiples of 10, such as 30 + 80 = 110.
When teaching whole tens addition, start with concrete manipulatives like base-10 blocks to show how adding tens works. Use place value charts to reinforce that 30 + 80 means 3 tens + 8 tens = 11 tens = 110. This hands-on approach helps build understanding before transitioning to mental math.
Adding Whole Tens Worksheets
Practice adding whole tens with visual support and answer keys.
Teaching Overview
When introducing whole tens addition, begin with concrete examples. Use base-10 blocks to show physically combining tens. For example, show 3 tens blocks plus 8 tens blocks equals 11 tens blocks, which is 110. This concrete experience helps students understand place value in addition.
Next, introduce place value charts to visualize whole tens addition. Show how 30 + 80 can be thought of as 3 tens + 8 tens = 11 tens = 110. Practice this repeatedly with different whole tens combinations.
As students become comfortable, introduce mental strategies. Teach them to recognize patterns: adding whole tens is like adding the number of tens and then multiplying by 10. For example, 30 + 80 = (3 + 8) × 10 = 11 × 10 = 110.
Finally, encourage students to check their answers by using subtraction or by breaking numbers apart. This self-checking habit builds confidence and reinforces place value understanding.