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Add 2-digit numbers




 

Videos and solutions to help Grade 1 students learn how to add a pair of two-digit numbers when the ones digits have a sum less than or equal to 10.

Common Core Standards: 1.NBT.4

Related Topics:
Lesson Plans and Worksheets for Grade 1

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 1

Common Core For Grade 1

New York State Common Core Math Module 4, Grade 1, Lesson 24, Lesson 25



Topic F: Addition of Tens and Ones to a Two-Digit Number

Lesson 24 Homework

1. Solve using number bonds. Write the two number sentences that show that you added the ten first. Draw quick tens and ones if that helps you.
2. Solve using number bonds. The first row has been started for you.
Lesson 25 Homework

1. Solve using number bonds. This time, add the tens first. Write the 2 number sentences to show what you did.
2. Solve using number bonds. This time, add the ones first. Write the 2 number sentences to show what you did.




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