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Order three objects by length; compare the lengths of two objects indirectly by using a third object.
Compare two two-digit numbers based on the meanings of the digits in each place and use the symbols >, =, and < to show the relationship.
Create a composite shape and use the composite shape to make new shapes by using two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and quarter-circles) or three-dimensional shapes (cubes, rectangular prisms, cones, and cylinders).
Partition circles and rectangles into two and four equal shares, describe the shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of. Describe the whole as two of, or four of the shares. Understand for these examples that partitioning into more equal shares creates smaller shares.
Apply properties of operations (additive identity, commutative, and associative) as strategies to add and subtract.
(4) Understand subtraction as an unknown-addend problem. For example, to solve 10 – 8 = ___, a student can use 8 + ___ = 10. (5) Add and subtract within 20 using strategies such as counting on, counting back, making 10, using fact families and related known facts, and composing/ decomposing numbers with an emphasis on making ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9 or adding 6 + 7 by creating the known equivalent 6 + 4 + 3 = 10 + 3 = 13). (6) Fluently add and subtract within 20 using mental strategies. By the end of 1st grade, know from memory all sums up to 10.
Education Galaxy’s TN Ready test preparation program provides online assessment and practice for students in Grades K-6 to help build mastery towards the Tennessee Academic Standards. Our unique online program is easy to use and enjoyable for both teachers and students. Students work on their Study Plans practicing important concepts while teachers pull formative assessment reports to identify the strengths and weaknesses of their classroom and individual students.