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.

Students will use their hands to mold clay into shapes, then divide those shapes into equal and unequal quarters.

Use a sweet treat to help students do hands-on math! Students will practice their addition skills in this yummy activity.