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Make Ten to Add and Subtract

Related Topics:
Common Core Math Resources, Lesson Plans & Worksheets for all grades
Common Core Math Lessons, Math Worksheets and Games for Grade 2
Common Core Math Lessons, Math Worksheets and Games for all grades



Examples, solutions, and videos to help Grade 2 students learn how to make a ten to add and subtract within 20.

Common Core Standards: 2.OA.1, 2.OA.2

New York State Common Core Math Grade 2, Module 1, Lesson 4

Lesson 4 Concept Development

Explain how to make ten to add and subtract within 20

Download Worksheets for Grade 2, Module 1, Lesson 4 (Pdf)

Lesson 4 Homework

EngageNY/Eureka Math Grade 2 Module 1 Lesson 4 New Version
Make a ten to add within 20.
8 + 4 =
9 + 7 =
9 + 3 =
8 + 6 =
10. Ronnie uses 5 brown bricks and 8 red bricks to build a fort. How many bricks does Ronnie use in all?




Use basic facts to help you solve with mental math.

1. 16 + 3 =
2. 13 – 6 =


Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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