### Clarifications

*Clarification 1:*Instruction includes objects, fingers, drawings, number lines and equations.

*Clarification 2:* Instruction focuses on the connection that addition is “putting together” or “counting on” and that subtraction is “taking apart” or “taking from.” Refer to Situations Involving Operations with Numbers (Appendix A).

*Clarification 3: *Within this benchmark, it is the expectation that one problem can be represented in multiple ways and understanding how the different representations are related to each other.

**Subject Area:**Mathematics (B.E.S.T.)

**Grade:**K

**Strand:**Number Sense and Operations

**Standard:**Develop an understanding of addition and subtraction operations with one-digit whole numbers.

**Date Adopted or Revised:**08/20

**Status:**State Board Approved

## Related Courses

## Related Access Points

## Related Resources

## Formative Assessment

## Lesson Plans

## Tutorials

## MFAS Formative Assessments

## Student Resources

## Tutorials

Using a ten-frame as a model, you will learn how to use equations to join two addends, one addend unknown, to make 10.

Type: Tutorial

Using a five-frame as a model, you will learn how to use equations to join two addends, to make 5.

Type: Tutorial

In this tutorial, you will learn to find the unknown change in an equation with a sum of 10: 3 + ? = 10.

Type: Tutorial

In this tutorial, you will learn to use symbols to record an unknown whole number in a subtraction equation relating to three whole numbers.

Type: Tutorial

In this tutorial, you will learn to use symbols to record an unknown whole number in an addition equation relating to three whole numbers.

Type: Tutorial

## Parent Resources

## Tutorials

Using a ten-frame as a model, you will learn how to use equations to join two addends, one addend unknown, to make 10.

Type: Tutorial

In this tutorial, you will learn to find the unknown change in an equation with a sum of 10: 3 + ? = 10.

Type: Tutorial

In this tutorial, you will learn to use symbols to record an unknown whole number in a subtraction equation relating to three whole numbers.

Type: Tutorial

In this tutorial, you will learn to use symbols to record an unknown whole number in an addition equation relating to three whole numbers.

Type: Tutorial