MAT-02.NBT.08

MAT-02 Targeted Standards
(NBT) Domain: Number and Operations in Base Ten
Cluster: Use place value understanding and properties of operations to add and subtract.

MAT-02.NBT.08 Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.

Student Learning Targets:

Knowledge Targets

Reasoning Targets

Skills (Performance) Targets

  • I can mentally add 10 and 100 to any number 100-900.
  • I can mentally subtract 10 or 100 from any number 100-900.

Product Targets

 

Rubric / Proficiency Scale

Score   Description Sample Activity
4.0

Advanced Criteria is Under Development.

In addition to Score 3.0 performance, the student demonstrates in-depth inferences and applications regarding the more complex content

-
  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 mentally add and subtract 10 and 100 from any number 100-900 without error.

I can answer what is 10 more and 10 less than any number 100-900 with no mistakes.

I can answer what is 100 more and 100 less than any number 100-900 with no mistakes.

-
  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 mentally add and subtract 10 and 100 from any number 100-900 that is a multiple of 5 without error.

I can answer what is 10 more and 10 less than a number that ends with five.

I can answer what is 100 more and 100 less than a number that ends with five.

-
  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 mentally add and subtract 10 and 100 from any number 100-900 that is a multiple of 10, but may exhibit a minor error.

I can answer what is 10 more and 10 less than a number that ends with  zero.

I can answer what is 100 more and 100 less than a number that ends with zero.

-
  0.5 Limited or no understanding of the skill is demonstrated.

Resources

Websites

Vocabulary

  • add
  • subtract
  • ten more
  • ten less
  • one hundred more
  • one hundred less
  • mental math

 

» Second Grade Math