1st Grade 1.OA.D.8 Math Operations Algebraic Thinking Printable Worksheet PDF. Common Core State Standard 1.OA.D.8 Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. Download…
1st Grade 1.OA.D.7 Math Operations Algebraic Thinking Printable Worksheet PDF. Common Core State Standard 1.OA.D.7 Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are…
1st Grade 1.0A.C.5 Math Operations Algebraic Thinking Printable Worksheet PDF. Common Core State Standard 1.OA.C.5 Relate counting to addition and subtraction. Download 1st Grade 1.OA.C.5 Math Operations Algebraic Thinking Worksheets…
1st Grade 1.OA.B.4 Math Operations Algebraic Thinking Printable Worksheet PDF. Common Core State Standard 1.OA.B.4 Understand subtraction as an unknown-addend problem. Download 1st Grade 1.OA.B.4 Math Operations Algebraic Thinking Worksheets PDF
1st Grade 1.OA.B.3 Math Operations Algebraic Thinking Printable Worksheet PDF. Common Core State Standard 1.OA.B.3 Apply properties of operations as strategies to add and subtract. Download 1st Grade 1.OA.B.3 Math Operations…
1st Grade 1.OA.A.2 Math Operations Algebraic Thinking Printable Worksheet PDF. Common Core State Standard 1.OA.A.2 Solve word problems that call for addition of three whole numbers whose sum is less than…
1st Grade Math Operations Algebraic Thinking 1.OA.A.1 Math Printable Worksheet PDF. Common Core State Standard 1.OA.A.1 Use addition and subtraction within 20 to solve word problems Download 1st Grade 1.OA.A.1 Math…