# Wiki-Teacher

## Addition and Subtraction Story Problems Assessment

Basic addition and subtraction story problems for use of review or assessment. Students show work and find key words in math problems to help them solve. #Wiki-TeacherLiveOctober10

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#### Content Area

• NVACS Mathematics

• Assessment

#### Course(s)

• No Courses Identified

#### Standard(s)/Course Objective(s)

• 2.OA.C.4 - Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.
• 2.NBT.B.9 - Explain why addition and subtraction strategies work, using place value and the properties of operations. (Explanations may be supported by drawings or objects.)
• 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. (See Glossary, Table 1.)
• 2.NBT.B.5 - Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

#### Textbook Unit(s)

• No Textbook Units Identified

• Intervention