OML Search

Add Numbers using Decomposition

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



 

Videos, examples, and solutions 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 using decomposition.

Common Core Standards: 1.NBT.4, 1.NBT.6

New York State Common Core Math Grade 1, Module 6, Lessons 13

Worksheets for Grade 1, Module 6, Lesson 13

New York State Common Core Math Grade 1, Module 6, Lessons 14

Worksheets for Grade 1, Module 6, Lesson 14

Topic C: Addition to 100 Using Place Value Understanding

Lesson 13 Homework

1. Solve and show your work.
a. 15 + 26 = _______
b. 46 + 49 = _______
c. 28 + 54 = _______
d. 69 + 13 = _______
e. 69 + 23 = _______
f. 69 + 19 = _______
g. 49 + 43 = _______
h. 67 + 36 = _______
i. 68 + 23 = _______

2. Solve and show your work.
a. 34 + 47 = _______
b. 38 + 45 = _______
c. 68 + 23 = _______
d. 39 + 57 = _______
e. 38 + 44 = _______
f. 17 + 76 = _______
g. 68 + 24 = _______
h. 18 + 77 = _______
i. 14 + 67 = _______



Lesson 14 Homework

1. Solve and show your work.
a. 68 + 21 = ____
b. 59 + 32 = ____
c. 39 + 44 = ____
d. 58 + 36 = ____
e. 76 + 17 = ____
f. 68 + 26 = ____
g. 56 + 39 = ____
h. 58 + 39 = ____

2. Solve and show your work.
a. 39 + 41 = ____
b. 48 + 43 = ____
c. 87 + 13 = ____
d. 59 + 25 = ____
e. 65 + 27 = ____
f. 27 + 67 = ____
g. 49 + 39 = ____
h. 38 + 58 = ____

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.


OML Search


We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.


[?] Subscribe To This Site

XML RSS
follow us in feedly
Add to My Yahoo!
Add to My MSN
Subscribe with Bloglines