Add a pair of 2-digit numbers

Eureka Math/EngageNY grade 1 module 4 lesson 26, 27 Worksheets

New York State Common Core Math Grade 1 Module 4, Lesson 26, 27
Worksheets for First Grade

Worksheets, solutions, and videos to help Grade 1 students learn how to add a pair of two-digit numbers when the ones digits have a sum greater than 10.
Common Core Standards: 1.NBT.4
Topic F: Addition of Tens and Ones to a Two-Digit Number
The following diagram shows how to add two 2-digit numbers using number bonds. Scroll down the page for more examples and solutions on adding two 2-digit numbers using number bonds.

Lesson 26 Concept Development
Learning Goal: I can add two 2-digit numbers.

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Lesson 26 Homework

1. Solve using number bonds with pairs of number sentences. You may draw quick tens and some ones to help you.
2. Solve. You may draw quick tens and some ones to help you.

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Lesson 27 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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