#### MAT-05.NBT.07

 MAT-05 Targeted Standards(NBT) Domain: Number and Operations in Base TenCluster: Perform operations with multi­digit whole numbers and with decimals to hundredths. MAT-05.NBT.07 Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.

## Student Learning Targets:

### Reasoning Targets

• I can justify and explain how the answer was found.
• I understand decimals are used to represent money amounts.

### Skills (Performance) Targets

• I can use concrete models/drawings and strategies based on place value to add decimals to the hundredths.
• I can use concrete models/drawings and strategies based on place value to subtract decimals to the hundredths.
• I can use concrete models/drawings and strategies based on place value to divide decimals to the hundredths.
• I can use concrete models/drawings and strategies based on place value to multiply decimals to the hundredths.
• I can add and subtract decimals in money problems.

## 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 multiply and divide decimals to the hundredths using concrete models or drawings and strategies based on place value; and explain the reasoning used to solve the problem. I can use concrete models/drawings and strategies based on place value to multiply decimals to the hundredths. I can use concrete models/drawings and strategies based on place value to divide decimals to the hundredths. I can justify and explain how the answer was found. - 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 add and subtract decimals to the hundredths using concrete models or drawings and strategies based on place value. I can use concrete models/drawings and strategies based on place value to add decimals to the hundredths. I can use concrete models/drawings and strategies based on place value to subtract decimals to the hundredths. - 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 add and subtract to solve word problems in which decimals are represented within amounts of money. I understand decimals can represent money amounts. I can add and subtract decimals in money problems. - 0.5 Limited or no understanding of the skill is demonstrated.

## Resources

### Vocabulary

• multiply
• divide
• subtract
• decimal
• decimal point
• tenths
• hundredths
• product
• quotient
• sum
• difference
• rectangular array
• area model
• properties - rules about how numbers work
• reasoning