Practice subtraction with art! Help early learners grasp the concept of "taking away" using drawings. This lesson helps students work toward subtraction with numerals, and the mastery of simple shapes.

Introduce hundreds place value to your students. Increase their knowledge of place value while they enjoy working with ones, tens and hundreds blocks.

Discovery is exciting! In this hands-on lesson, your students will discover for themselves the rule behind the commutative property of addition.

This fun and interactive lesson will teach your students the scientific method to find out if something sinks or floats with a little help from Cookie Monster.

Excite your students with knowledge of the past by showing them a film and pretending to live in the past! In this lesson, your students will learn about the Stone Age.

Get your students moving with this activity that helps them practice their addition skills while having fun hunting for their next problem.

Help students visualize the missing addend in an addition problem with this fun game. Use this scaffolded EL lesson alone or for more practice before teaching the Mystery Addends: Representing Word Problems lesson.

Students will love working together to create a display that demonstrates understanding of relative length. Use alone or with the lesson Order Up Measurement.

Introduce students to measurement tools with this fun hands-on activity. Students will get plenty of practice comparing length and weight as well. Use this scaffolded EL lesson plan alone or with How Big is It?.

Give first graders a sense of time by introducing them to telling time by the hour. Students who have mastered the numbers 1 to 12 will be eager to keep the class on a time schedule.

Students will gain fluency with adding multiples of ten in this hands-on lesson that builds number sense.