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AR.Math.Content.1.G.Geometry
Geometry
AR.Math.Content.1.G.A. Reason with shapes and their attributes.
AR.Math.Content.1.G.A.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 fo
Quiz, Flash Cards, Worksheet, Game & Study GuideCounting Coins
Quiz, Flash Cards, Worksheet, Game & Study GuideMoney
AR.Math.Content.1.MD.C. Represent and interpret data.
AR.Math.Content.1.MD.C.6. Organize, represent, and interpret data with up to three categories, using tally tables, picture graphs and bar graphs. Ask and answer questions about the total number represented, how many in each category, and how many more or less are in one category t
Quiz, Flash Cards, Worksheet, Game & Study GuideGraphs
AR.Math.Content.1.NBT.Number and Operations in Base Ten
Number and Operations in Base Ten
AR.Math.Content.1.NBT.A. Extend the counting sequence.
AR.Math.Content.1.NBT.A.1. Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.
AR.Math.Content.1.NBT.B.2. Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
AR.Math.Content.1.NBT.B.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
AR.Math.Content.1.NBT.B.3. Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.
AR.Math.Content.1.NBT.C. Use place value understanding and properties of operations to add and subtract
AR.Math.Content.1.NBT.C.4. Add within 100 using concrete models or drawings, relate the strategy used to a written expression or equation, and be able to explain the reasoning. Strategies should be based on place-value, properties of operations, and/or the relationship between addi
AR.Math.Content.1.OA.Operations and Algebraic Thinking
Operations and Algebraic Thinking
AR.Math.Content.1.OA.A. Represent and solve problems involving addition and subtraction
AR.Math.Content.1.OA.A.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 (e.g., by using objects, drawings, and equations with a symbol for
Quiz, Flash Cards, Worksheet, Game & Study GuideStory Problems
Quiz, Flash Cards, Worksheet, Game & Study GuideStory Problems
AR.Math.Content.1.OA.B. Understand and apply properties of operations and the relationship between addition and subtraction
AR.Math.Content.1.OA.B.3. Apply properties of operations as strategies to add and subtract. For example: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known (commutative property of addition). To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2
AR.Math.Content.1.OA.B.4. Understand subtraction as an unknown-addend problem. For example: Subtract 10 - 8 by finding the number that makes 10 when added to 8.
AR.Math.Content.1.OA.C.6. Add and subtract within 20, demonstrating computational fluency for addition and subtraction within 10. Use strategies such as Counting on; Making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); Decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 -
AR.Math.Content.1.OA.D. Work with addition and subtraction equations.
AR.Math.Content.1.OA.D.7. Understand the meaning of the equal sign and determine if equations involving addition and subtraction are true or false. For example: Which of the following equations are true and which are false? 6 = 6, 7 = 8 - 1, 5 + 2 = 2 + 5, or 4 + 1 = 5 + 2.