Grade 1 Math

• represent quantities and operations (addition & subtraction)physically, pictorially, or symbolically• strategically use a variety of representations to solve additionand subtraction word problems• use informal and mathematical language to communicate theconnections among addition and subtraction contexts andrelate physical, pictorial, or symbolic representations.• accurately compute sums and differences• use symbols to represent unknown quantities in equations1.OA.2 Solve word problems that call foraddition of three whole numbers e.g., byusing objects, drawings, and equations witha symbol for the unknown number torepresent the problem.• efficiently apply strategies for solving multiple addendproblems• use symbols to represent unknown quantities in equations• accurately compute sums1.OA.3 Apply properties of operations asstrategies to add and subtract. 2 Examples: If8+3=11 is known, then 3+8=11 is alsoknown. (Communitive property of addition.)To add 2+6+4, then second two numbers canbe added to make a ten, so 2+6+4=2+10=12,(Associative property of addition.)X X Students will read and solve 4/5 story problems that include 3 numbers using awritten assessment.Students will demonstrate the ability to apply these properties by completing awritten assessment. (NEED TO CREATE)2 Students need not use formal terms forthese properties.• strategically and efficiently apply properties of addition inorder to find sums• communitive property of addition• associative property of addition1.OA.4 Understand subtraction as anunknown-addend problem.For example, subtract 10-8 by finding thenumber that makes 10 when added to 8.Add and subtract within 20.• use symbols such as blanks, boxes, or letters to representunknown quantities in equations• use mathematical language to communicate the connectionsStudents will demonstrate understanding of a subtraction problem as an unknownaddend problem by completing a written assessment. (NEED TO CREATE)• addend