OA.A.2+Simple+Expressions

=Operations and Algebraic Thinking - Write and interpret numerical expressions.=

Standard
CCSS.Math.Content.5.OA.A.2 Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them. Examples:
 * //Express the calculation “add 8 and 7, then multiply by 2” as 2 × (8 + 7).//
 * //Recognize that 3 × (18932 + 921) is three times as large as 18932 + 921, without having to calculate the indicated sum or product//.

Online Support Sites:

 * @http://www.internet4classrooms.com/common_core/write_simple_expressions_record_calculations_numbers_operations_algebraic_thinking_fifth_5th_grade_math_mathematics.htm

Online Practice Sites

 * IXL: Algebra: Write variable expressions (Fifth grade - Q.2)
 * IXL: Algebra: Write equations to represent word problems (Fifth grade - Q.4)
 * Input/Output Tables - Math Playground
 * Input/Output Tables - CyberChase Games
 * AlgebraicThinking - Interactive Math Sites

Some of the sites from: []