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This lesson provides students with instruction in strategies based on number sense. Use this lesson alongside Show Me the Money: Understanding Value or as a stand-alone lesson.

Introduce students to measurement with this fun scavenger hunt! Students practice measuring with string as they work in partners to develop language skills. Use alone or with the lesson Footy Fun!

Guide students to use base ten blocks to solve two-digit by one-digit addition problems with regrouping. This lesson can be used independently or paired with the lesson Adding it All Up.

What first grader wouldn't want ten dollars? This lesson uses one and ten dollar bills to teach students place value concepts as they develop fluency adding multiples of 10. Use alone or with the lesson plan Ten Time.

Students sketch base-ten blocks in this lesson that builds both number sense and fluency adding to 20!

Let’s start building numbers! Just as building skyscrapers is a visual representation of mathematics, students will use the visual representation of base-ten blocks to add—or build—onto a two-digit number.

Encourage your students to develop their own approach to measuring length with nonstandard units of length. Use this engaging lesson as a stand-alone lesson or alongside Measuring Feet...in Feet!