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Add Two-digit Numbers

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 less than or equal to 10.



 

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

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 Grade 1, Module 6, Lessons 12

Worksheets for Grade 1, Module 6, Lesson 12

Topic C: Addition to 100 Using Place Value Understanding

Lesson 12 Homework

1. Solve.
a. 46 + 22 = _____
b. 74+ 23 = _____
c. 54 + 25 = _____
d. 68 + 31 = _____
e. 45 + 55 = _____
f. 86 + 13 = _____
g. 37 + 52 = _____
h. 47 + 52 = _____

2. Solve using number bonds. You may choose to add the ones or tens first. Write the two number sentences to show what you did.
a. 76 + 23 = _____
b. 45 + 33 = _____
c. 31 + 67 = _____
d. 57 + 32 = _____
e. 58 + 21 = _____
f. 25 + 63 = _____
g. 44 + 55 = _____
h. 47 + 53 = _____



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