Strategies for adding two-digit numbers
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Lesson Plans and Worksheets for Grade 1
Lesson Plans and Worksheets for all Grades
More Lessons for Grade 1
Common Core For Grade 1
Eureka Math/EngageNY grade 1 module 4 lesson 18 Worksheets
New York State Common Core Math Grade 1 Module 4, Lesson 18
Worksheets for First Grade
Worksheets, examples. solutions, and videos to help Grade 1 students learn how to share and critique peer strategies for adding two-digit numbers.
Common Core Standards: 1.NBT.4
Topic D: Addition of Tens or Ones to a Two-Digit Number
Number Talks
- post a problem
- students solve mentally
- share solution methods
- teacher records on board
Lesson 18 Homework
1. Two students both solved the addition problem below using different methods.
18 + 9
Are they both correct? Why or why not?
2. Another two students solved the same problem using quick tens.
Are they both correct? Why or why not?
3. Circle any student work that is correct.
19 + 6
Fix the student work that was incorrect by making new drawings in the space below.
Choose the correct answers and give a suggestion for improvement.
Lesson Plans and Worksheets for Grade 1
Lesson Plans and Worksheets for all Grades
More Lessons for Grade 1
Common Core For Grade 1
Eureka Math/EngageNY grade 1 module 4 lesson 18 Worksheets
New York State Common Core Math Grade 1 Module 4, Lesson 18
Worksheets for First Grade
Worksheets, examples. solutions, and videos to help Grade 1 students learn how to share and critique peer strategies for adding two-digit numbers.
Common Core Standards: 1.NBT.4
Topic D: Addition of Tens or Ones to a Two-Digit Number
Number Talks
- post a problem
- students solve mentally
- share solution methods
- teacher records on board
1. Two students both solved the addition problem below using different methods.
18 + 9
Are they both correct? Why or why not?
2. Another two students solved the same problem using quick tens.
Are they both correct? Why or why not?
3. Circle any student work that is correct.
19 + 6
Fix the student work that was incorrect by making new drawings in the space below.
Choose the correct answers and give a suggestion for improvement.
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