Unit Name/ Topic: Unit 5 Operations with Tens and Ones

Anticipated Time Allotted for Unit:

5 Weeks

Key Vocabulary: digit, ones, tens, total

Academic Vocabulary: chart, represent

NYS Learning Standards:

NY-1.NBT3. Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.

NY-1.NBT4. Add within 100, including • a two-digit number and a one-digit number, • a two-digit number and a multiple of 10. Use concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones, and sometimes it is necessary to compose a ten. Relate the strategy to a written representation and explain the reasoning used.

NY-1. NBT6. Subtract multiples of 10 from multiples of 10 in the range 10-90 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 used to a written representation and explain the reasoning.

NY-1.MD.4. Organize, represent, and interpret data with up to three categories; ask and answer questions about the total number of data points, how many in each category, and how many more or less are in one category than in another.

Content/ Skills Taught:

Lesson 18- Add and Subtract Tens

Lesson 19- Addition with Two-Digit Numbers

Lesson 20- Add Two-Digit and One-Digit Numbers

Lesson 21- Add Two-Digit Numbers

Math in Action- Donate Pet Toys

Areas for Differentiated Instruction:

Application activities

Centers

Learning Activities:

See ready math toolbox or teacher’s manual

Assessments:

Lesson quizzes, independent practice, observation

Unit 5 Assessment

Resources:

Ready classroom math, manipulatives, Jack Hartman songs,

Application activity materials, centers library