Learning Domain: Operations and Algebraic Thinking

Standard: Represent and solve addition and subtraction word problems, within 20, with unknowns, by using objects, drawings, and equations with a symbol for the unknown number to represent the problem, when solving: Add to/Take from-Change Unknown; Put together/Take Apart-Addend Unknown; Compare-Difference Unknown.

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Learning Domain: Operations and Algebraic Thinking

Standard: Add and subtract, within 20, using strategies such as: Counting on; Making ten; Decomposing a number leading to a ten; Using the relationship between addition and subtraction; Using a number line; Creating equivalent but simpler or known sums.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Operations and Algebraic Thinking

Standard: Demonstrate fluency with addition and subtraction, within 20, using mental strategies.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Operations and Algebraic Thinking

Standard: Determine whether a group of objects, within 20, has an odd or even number of members by: Pairing objects, then counting them by 2s; Determining whether objects can be placed into two equal groups; Writing an equation to express an even number as a sum of two equal addends.

Degree of Alignment: Not Rated (0 users)