Missing numbers in addition and subtraction | 2nd grade | Khan Academy - Free Educational videos for Students in K-12 | Lumos Learning

## Missing numbers in addition and subtraction | 2nd grade | Khan Academy - Free Educational videos for Students in k-12

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#### DESCRIPTION:

Sal solves missing number in problems like 73 = ___ + 57.

#### OVERVIEW:

Missing numbers in addition and subtraction | 2nd grade | Khan Academy is a free educational video by Khan Academy.It helps students in grades 2 practice the following standards 2.OA.A.1.

This page not only allows students and teachers view Missing numbers in addition and subtraction | 2nd grade | Khan Academy but also find engaging Sample Questions, Apps, Pins, Worksheets, Books related to the following topics.

1. 2.OA.A.1 : Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

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2.OA.A.1

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