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# Kindergarten Unit 6 – Counting, Addition, and Subtraction

### Unit Overview

#### Content Focus –

The mathematical focus is on counting sets of up to 20 objects, decomposing numbers to 10 in a variety of different ways, using numbers and notation where appropriate, and exploring combinations of a number.

#### Looking Back…

This unit builds on the work done in Counting and Comparing and Measuring and Counting.  Students have worked developing their sense of number and quantity to 10, and counting and comparing amounts to 15.  They have begun making sense of the operations of addition and subtraction by acting out stories and playing games.

#### Looking Forward…

These units lay the foundation for number work in the 1st grade.  Students will expand their understanding of counting and quantity, the composition of numbers, and the operations of addition and subtraction.