Lesson Plan
Base-Ten Block Sketches
Dive deep into word problems with this lesson that teaches students to sketch base-ten blocks to add multiples of 10 and two-digit numbers. Use alone or with the lesson plan **Let's Build It! Two-Digit Addition.**
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Objectives
Academic
Students will be able to add multiples of 10 to two-digit numbers within 100.
Language
Students will be able to describe the steps to add multiples of 10 to two-digit numbers using base-ten block sketches and partner support.
Introduction
(2 minutes)- Tell students a story problem about your life, such as "I like to hike and search for rocks for my rock collection. On Monday I went for a hike and found 12 rocks. On Tuesday I found 10 more rocks."
- Tell students that you are trying to figure out how many rocks you have all together.
- Ask students to turn and talk to a partner about what is known about the problem, focusing on the situation, not the solution.