In this unit, students extend their understanding of place value and of addition and subtraction to numbers within 1,000. They now compare and order numbers and solve addition and subtraction word problems with totals up to 1,000.

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

There are three Family Letters for Unit 6. Currently available translations are linked below.