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