In this unit, students review place value through hundred thousands and rounding numbers to estimate and check reasonableness of answers. They also practice addition and subtraction with multi-digit numbers.

Unit 1 • Unit 2 • Unit 3 • Unit 4
Unit 5 • Unit 6 • Unit 7

During the first week of school, students will bring home their first Study Sheet. Study Sheets are oral fact practice.

Watch this video to learn more about how students can earn signatures for completing Study Sheets at home.

Later in the school year, students will bring home Check Sheets. Check Sheets are written fact practice.

Watch this video to learn more about how students can earn signatures for completing Check Sheets at home.

There is one Family Letter for Unit 3.
Currently available translations are linked below.

Learn about different computation methods students will use during this unit.