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Unit 2: Get ready for addition, subtraction, and estimation

900 possible mastery points

About this unit

Let's build a solid foundation of numbers so we will be ready for addition, subtraction and estimation in fourth grade. We will round numbers, discover strategies for addition and subtraction, and practice those skills so we can accelerate our skills in fourth grade.
Level up on the above skills and collect up to 160 Mastery points
Level up on the above skills and collect up to 400 Mastery points
Level up on the above skills and collect up to 160 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 900 Mastery points!