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Operations and Algebraic Thinking
Operations and Algebraic Thinking
Cluster: Add and subtract within 20.
KY.1.OA.5. Relate counting to addition and subtraction. (MP.5, MP.8)
KY.1.OA.6.b. Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making 10; decomposing a number leading to a 10; using the relationship between addition and subtraction; creating equivalent but
Cluster: Represent and solve problems using addition and subtraction.
KY.1.OA.1. Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart and comparing, with unknowns in all positions. (MP.1, MP.2)
KY.1.NBT.4.b. Relate the addition strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
Quiz, Flash Cards, Worksheet, Game & Study GuideCounting to 999
Quiz, Flash Cards, Worksheet, Game & Study GuideSequencing
Cluster: Understand place value.
KY.1.NBT.2. Understand the two-digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases: (MP.5, MP.7)
KY.1.NBT.2.a. 10 can be thought of as a bundle of ten ones—called a “ten.”
Quiz, Flash Cards, Worksheet, Game & Study GuidePlace Value
Quiz, Flash Cards, Worksheet, Game & Study GuidePlace Value
KY.1.NBT.3. Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <. (MP.2)
KY.1.MD.4.d. Interpret data to answer questions about the table/chart that connects to the question posed, including total number of data points, how many in each category and how many more or less are in one category than in another.
Quiz, Flash Cards, Worksheet, Game & Study GuideShapes
KY.1.G.3. 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 th