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Basic Word Problems
This topic covers the skill of solving basic word problems using addition or subtraction.
This topic aligns to the following state standards
Grade 1: Num 1. Demonstrates knowledge of the meaning of addition (putting together, increasing) and subtraction (taking away, comparing, finding the difference) using manipulatives, drawings, symbols, and story problems.
Grade 1: Num 1. Poses and solves simple number problems by selecting the proper operation (for example, finding how many students are sitting at tables one and two).
Grade 2: Num 2. Writes and solves number problems with one operation involving addition or subtraction.
Grade 2: Num 3. Writes number sentences associated with addition and subtraction situations.
Grade 1: Num 1. Knows appropriate methods (for example, concrete materials, mental mathematics, paper and pencil) to solve real-world problems involving addition and subtraction.
Grade 2: Num 1. Knows appropriate methods (for example, concrete materials, mental mathematics, paper and pencil, calculator) to solve real-world problems involving addition and subtraction.
Grade 1: Alg 1. Uses concrete objects to solve real-world addition and subtraction problems using one unknown (for example, There are 28 children in this class, and 25 are here today. How many are absent?).
Grade 2: Alg 1. Uses concrete objects, paper and pencil, or mental mathematics to solve real-world equations with one unknown (such as, There are 28 students in the room, and 16 brought their lunches. How many are buying lunch?).
Grade 3: Num 2. Uses problem-solving strategies to determine the operation needed to solve one-step problems involving addition, subtraction, multiplication, and division of whole numbers.
Grade 4: Num 1. Uses problem-solving strategies to determine the operation(s) needed to solve one- and two- step problems involving addition, subtraction, multiplication, and division of whole numbers, and addition and subtraction of decimals and fractions.
Grade 3: Num 1. Solves real-world problems involving addition, subtraction, multiplication, and division of whole numbers using an appropriate method (for example, mental math, paper and pencil, concrete materials, calculator).
Grade 4: Num 1. Solves real-world problems involving addition, subtraction, multiplication, and division of whole numbers, and addition and subtraction of decimals and fractions using an appropriate method (for example, mental math, pencil and paper, calculator).
Grade 3: Alg 1. Uses concrete materials to model and solve a number sentence with a missing addend for simple word problems (for example, 13 + r = 15).
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