#### MAT-00.NBT.01

 MAT-00 Targeted Standards(NBT) Domain: Number and Operation in Base Ten Cluster: Work with numbers 11­-19 to gain foundations for place value. MAT-00.NBT.01 Compose and decompose numbers from 11 to 19 into ten ones and some further ones, e.g., by using objects or drawings, and record each composition or decomposition by a drawing or equation (such as 18 = 10 + 8);.

## Student Learning Targets:

### Reasoning Targets

• I can understand numbers 11-19 are made of a group of ten ones plus some more ones.

### Skills (Performance) Targets

• I can show how many tens and how many ones make a written number.
• I can show you how many ones make a ten.
• I can break a number apart to show tens and ones.
• I can write the number a base ten picture shows.

## Rubric / Proficiency Scale

 Score Description Sample Activity 4.0 Student is able to compose and decompose numbers, identify the number of tens and ones, and identify the value of digits in a number within 100. (1st grade) - 3.5 In addition to Score 3.0 performance, the student demonstrates in-depth inferences and applications regarding the more complex content with partial success. 3.0 Student is able to correctly decompose numbers 11-19 into a group of ten and ones. I can show how many tens and how many ones make a written number. I can break a number apart to show a ten and ones. - 2.5 No major errors or emissions regarding 2.0 content and partial knowledge of the 3.0 content. 2.0 Student is able to correctly write numbers 11-19 given a base ten model (objects or drawings) of the number. I can write the number a base ten picture or model shows. - 1.5 In addition to 1.0 content, student has partial knowledge of the 2.0 and/or 3.0 content. 1.0 Student is able to identify objects or drawings that represent a ten and some more ones, but may have a simple counting error. I can show the picture or objects that tell how many tens and how many ones are asked for. I can show how many ones make a ten. - 0.5 Limited or no understanding of the skill is demonstrated.

## Resources

### Vocabulary

• number words (one - nineteen)
• left overs
• 10 = ten ones
• tens
• ones